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Counting Blessings Versus Burdens: An Experimental Investigation of Gratitude and Subjective Well-Being in Daily Life

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The effect of a grateful outlook on psychological and physical well-being was examined. In Studies 1 and 2, participants were randomly assigned to 1 of 3 experimental conditions (hassles, gratitude listing, and either neutral life events or social comparison); they then kept weekly (Study 1) or daily (Study 2) records of their moods, coping behaviors, health behaviors, physical symptoms, and overall life appraisals. In a 3rd study, persons with neuromuscular disease were randomly assigned to either the gratitude condition or to a control condition. The gratitude-outlook groups exhibited heightened well-being across several, though not all, of the outcome measures across the 3 studies, relative to the comparison groups. The effect on positive affect appeared to be the most robust finding. Results suggest that a conscious focus on blessings may have emotional and interpersonal benefits.
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Counting Blessings Versus Burdens: An Experimental Investigation of
Gratitude and Subjective Well-Being in Daily Life
Robert A. Emmons
University of California, Davis
Michael E. McCullough
University of Miami
The effect of a grateful outlook on psychological and physical well-being was examined. In Studies 1
and 2, participants were randomly assigned to 1 of 3 experimental conditions (hassles, gratitude listing,
and either neutral life events or social comparison); they then kept weekly (Study 1) or daily (Study 2)
records of their moods, coping behaviors, health behaviors, physical symptoms, and overall life apprais-
als. In a 3rd study, persons with neuromuscular disease were randomly assigned to either the gratitude
condition or to a control condition. The gratitude-outlook groups exhibited heightened well-being across
several, though not all, of the outcome measures across the 3 studies, relative to the comparison groups.
The effect on positive affect appeared to be the most robust finding. Results suggest that a conscious
focus on blessings may have emotional and interpersonal benefits.
Reflect on your present blessings, on which every man has many, not
on your past misfortunes, of which all men have some.
—Charles Dickens (M. Dickens, 1897, p. 45)
The construct of gratitude has inspired considerable interest in
the general public. The prevalence of books targeted to general
audiences on the topic (Breathnach, 1996; Hay, 1996; Miller,
1995; Ryan, 1999; Steindl-Rast, 1984; Turner, 1998; Van Kaam &
Muto, 1993) testify to this concept’s widespread appeal. Following
a similar format, these popular books generally consist of reflec-
tions on the value of gratefulness, along with strategies for culti-
vating an attitude of gratitude. The essential message of these
volumes is that a life oriented around gratefulness is the panacea
for insatiable yearnings and life’s ills. Grateful responses to life,
we are told, can lead to peace of mind, happiness, physical health,
and deeper, more satisfying personal relationships. Although in-
tuitively compelling, many of the general claims in popular books
concerning the power of a grateful lifestyle are speculative and as
yet scientifically untested. In one popular book on gratitude, for
instance, the author asserts that “Whatever we are waiting for—
peace of mind, contentment, grace...itwill surely come to us, but
only when we are ready to receive it with an open and grateful
heart” (Breathnach, 1996).
Gratitude has also had a long past in the history of ideas. Across
cultures and time, experiences and expressions of gratitude have
been treated as both basic and desirable aspects of human person-
ality and social life. For example, gratitude is a highly prized
human disposition in Jewish, Christian, Muslim, Buddhist, and
Hindu thought (Carman & Streng, 1989). Indeed, the consensus
among the world’s religious and ethical writers is that people are
morally obligated to feel and express gratitude in response to
received benefits. Despite such widespread exhortations, the con-
tribution of gratitude to health, well-being, and overall positive
functioning remains speculative and without rigorous empirical
confirmation. Contemporary research on gratitude is still in a
fledgling state (Emmons & McCullough, in press; McCullough,
Emmons, & Tsang, 2002). Our primary purpose in this set of
studies is to examine the influence of grateful thinking on psycho-
logical well-being in daily life and thereby put to the test popular
and classical assumptions concerning the benefits of gratitude.
On the Meaning of Gratitude
Gratitude defies easy classification. It has been conceptualized
as an emotion, an attitude, a moral virtue, a habit, a personality
trait, or a coping response. The word gratitude is derived from the
Latin root gratia, meaning grace, graciousness, or gratefulness. All
derivatives from this Latin root “have to do with kindness, gener-
ousness, gifts, the beauty of giving and receiving, or getting
something for nothing” (Pruyser, 1976, p. 69). The object of
gratitude is other-directed—persons, as well as to impersonal
(nature) or nonhuman sources (e.g., God, animals, the cosmos;
Solomon, 1977; Teigen, 1997). Although a variety of life experi-
ences can elicit feelings of gratitude, prototypically gratitude stems
from the perception of a positive personal outcome, not necessarily
deserved or earned, that is due to the actions of another person.
Gratitude has been defined as “the willingness to recognize the
unearned increments of value in one’s experience” (Bertocci &
Millard, 1963, p. 389), and “an estimate of gain coupled with the
judgment that someone else is responsible for that gain” (Solomon,
Robert A. Emmons, Department of Psychology, University of Califor-
nia, Davis; Michael E. McCullough, Department of Psychology, University
of Miami.
This research was supported by a generous grant from The John
Templeton Foundation. We are grateful to Michelle Vu and Lisa Krause for
their assistance in data preparation and data entry, and to Jo-Ann Tsang for
her helpful comments on a draft of this article.
Correspondence concerning this article should be addressed to Robert
A. Emmons, Department of Psychology, University of California, One
Shields Avenue, Davis, California 95616. E-mail: raemmons@ucdavis.edu
Journal of Personality and Social Psychology Copyright 2003 by the American Psychological Association, Inc.
2003, Vol. 84, No. 2, 377–389 0022-3514/03/$12.00 DOI: 10.1037/0022-3514.84.2.377
377
1977, p. 316). The benefit, gift, or personal gain might be material
or nonmaterial (e.g., emotional or spiritual).
As an emotion, gratitude is an attribution-dependent state
(Weiner, 1985) that results from a two-step cognitive process: (a)
recognizing that one has obtained a positive outcome, and (b)
recognizing that there is an external source for this positive out-
come. Lazarus and Lazarus (1994) argued that gratitude is one of
the empathic emotions whose roots lie in the capacity to empa-
thize with others. The core relational theme associated with grat-
itude is recognition or appreciation of an altruistic gift. Gratitude
is a complex state that belongs to the category of affective
cognitive conditions (Clore, Ortony, & Foss, 1987) in which both
affect and cognition are predominant-meaning components of the
term.
Gratitude, Happiness, and Well-Being:
Mechanisms of Association
There are reasons to believe that experiences of gratitude might
be associatedperhaps even in a causal fashionwith happiness
and well-being. Researchers, writers, and practitioners have all
speculated that gratitude possesses happiness-bestowing proper-
ties. Chesterton (1924) contended that gratitude produced...the
most purely joyful moments that have been known to man (p.
114). Several theorists and researchers (e.g., Lazarus & Lazarus,
1994; Mayer, Salovey, Gomberg-Kaufman, & Blainey, 1991; Or-
tony, Clore, & Collins, 1986; Weiner, 1985) have noted that
gratitude typically has a positive emotional valence.
Initial research suggests that gratitude is a moderately pleasant
and activating emotion. Research has shown that gratitude is a
pleasant state and is linked with positive emotions including con-
tentment (Walker & Pitts, 1998), happiness, pride, and hope
(Overwalle, Mervielde, & De Schuyter, 1995). In research on the
scaling of emotion terms, gratitude tends to load on pleasantness
and activation factors (Mayer et al., 1991; Reisenzein, 1994). In an
empirically derived taxonomy of emotion terms, gratitude was
clustered in a category of positive, interpersonal feelings that
included admiration, respect, trust and regard (Storm & Storm,
1987). In similarity judgments of emotions, thankfulness is rated
as highly similar to joy and contentment, and as highly dissimilar
to contempt, hate, and jealousy (Schimmack & Reisenzein, 1997).
Gratitude was 1 of 50 emotion terms included in Davitzs (1969)
study of the structure of emotional meaning. Forty subjects rated
the relevance of over 500 descriptive statements designed to cap-
ture various elements of emotional experiences. Twelve clusters of
emotion meaning were identified, on four of which gratitude
loaded highly: activation, comfort/harmony, moving toward oth-
ers, and enhancement/expansion of self. In addition to its merit as
an intrinsically rewarding state, gratitude may lead to other posi-
tive subjective experiences. In a recent Gallup (1998) survey of
American teens and adults, over 90% of respondents indicated that
expressing gratitude helped them to feel extremely happy or
somewhat happy. Lastly, McCullough et al. (2002) found that
dispositional gratitude was related to, but distinct from, trait mea-
sures of positive affect, vitality, optimism, envy, depression, and
anxiety. Although gratitude overlaps with other positive feelings, it
also possesses a unique pattern of appraisals that distinguishes it
from happiness (Weiner, 1985).
Savoring the Positive Circumstances of Life
A grateful response to life circumstances may be an adaptive
psychological strategy and an important process by which people
positively interpret everyday experiences. The ability to notice,
appreciate, and savor the elements of ones life has been viewed as
a crucial determinant of well-being (Bryant, 1989; Janoff-Bulman
& Berger, 2000; Langston, 1994). Frijda (1988) stated that adap-
tation to satisfaction can be counteracted by constantly being
aware of how fortunate ones condition is and how it could have
been otherwise, or actually was otherwise before...enduring
happiness seems possible, and it can be understood theoretically
(p. 354).
The personal commitment to invest psychic energy in develop-
ing a personal schema, outlook, or worldview of ones life as a
giftor ones very self as being giftedholds considerable sway
from the standpoint of achieving optimal psychological function-
ing. Indeed, numerous groups have absorbed this insight. For
example, many religiously oriented events such as reflection days
or scheduled week-long retreats have as a recurring theme the idea
of a gift (e.g., those influenced by Jesuit spirituality) as do many
self-help groups and organizations (e.g., Alcoholics Anonymous).
The regular practice of grateful thinking, then, should lead to
enhanced psychological and social functioning.
Gratitude and Well-Being: Correlation or Causality?
Foundationally, research on gratitude and well-being must ad-
dress the issue of whether gratitudewhether in the context of
savoring positive life circumstances, coping with negative life
circumstances, or trying to counteract negative emotionsis a
cause of well-being, per se, or merely a moderately positive and
active emotion that people with high well-being frequently expe-
rience. Of course, the most direct and unambiguous way to deter-
mine whether gratitude exerts a causal effect on happiness and
well-being would be in the context of experimental studies in
which gratitude was manipulated and its effects on measures of
well-being were observed.
Purpose of the Present Studies
In the spirit of understanding the link between gratitude and
happiness, the purpose of this research is to experimentally inves-
tigate the effects of a grateful outlook on psychological and
physical well-being. More specifically, we address whether rela-
tive to focusing on complaints or on neutral life events, a focus on
counting ones blessings leads to enhanced psychological and
physical functioning. Drawing together theoretical statements,
popular beliefs, and previous empirical findings, we predict that
self-guided exercises designed to induce a state of gratitude will
lead to heightened well-being over time, relative to a focus on
hassles, downward social comparisons, or neutral life events. In
three studies, we randomly assigned participants to different ex-
perimental conditions and then had them keep daily or weekly
records of their positive and negative affect, coping behaviors,
health behaviors, physical symptoms, and overall life appraisals.
Because we are inducing people to dwell on the favorable, to
appreciate the benefits that others provide, and hence reflect on the
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EMMONS AND MCCULLOUGH
benevolence of others, we hypothesize that those in the gratitude-
focused group would show enhanced psychosocial functioning
relative to persons in the hassles and life events groups (Study 1),
hassles and downward social comparison groups (Study 2), and to
a true control group (Study 3). In the first two studies the partic-
ipants are college students, whereas in Study 3 we recruited adults
with congenital and adult-onset neuromuscular diseases (NMDs)
to increase the potential generalizability of the results.
Although we believe we have sketched a compelling case for the
benefit conferring effect of gratitude, in our view this relationship
is neither inevitable nor unequivocal. Although gratitude as an
emotion has been shown to covary with other positive affective
states (Mayer et al., 1991) and has generally been portrayed as a
virtue in the moral philosophy literature, attention has also been
drawn to its negative side. To be grateful means to allow oneself
to be placed in the position of a recipientto feel indebted and
aware of ones dependence on others. Gratitude has an obligatory
aspect. People are expected to repay kindnesses. Most people
experience indebtedness as an unpleasant and aversive psycholog-
ical state (Greenberg & Westcott, 1983). Thus, making people
aware of the things in their lives to be grateful for might increase
their recognition of the need to reciprocate, and people may resent
these obligations and even report strong negative feelings toward
their benefactors, even as extreme as hatred (Elster, 1999).
Another reason why our predictions are not obvious has to do
with the observation that people are characterized by baseline
levels of happiness. Set-point theory (Diener & Diener, 1996;
Lykken, 1999) maintains that peoples long-term levels of happi-
ness are relatively stable and vary only slightly around genetically
endowed levels. The degree to which well-being evaluations can
be altered through short-term psychological interventions and sus-
tained over time remains to be seen. If there are chronic baseline
levels of affect, then raising the level of affect beyond a persons
set point may be difficult. Thus, we believe this research represents
a particularly strong test of the happiness-inducing potential of
gratitude. If it is possible to demonstrate that there are significant
effects of a brief intervention to induce gratitude, then the potential
for a longer, more sustained effort would exist.
Study 1
Method
Participants
The sample consisted of 201 undergraduate participants (147 women, 54
men) enrolled in a health psychology class in a large, public university.
They participated to fulfill the experiential learning component of the
course. Of these, 9 were dropped from data analysis because of missing or
incomplete data, leaving a total of 192 participants. Students were given an
alternative of roughly equal time commitment to not participating in the
research; only one opted for the alternative.
Procedure
At the beginning of the academic quarter, participants were given a
packet of 10 weekly reports. The packets were organized into three
different clusters, representing the three experimental conditions, and were
randomly distributed during the second class session. In the gratitude
condition, participants were provided with the following instructions:
There are many things in our lives, both large and small, that we might
be grateful about. Think back over the past week and write down on
the lines below up to five things in your life that you are grateful or
thankful for.
Examples of gratitude-inducing experiences listed by participants were as
follows: waking up this morning,”“the generosity of friends,”“to God for
giving me determination,”“for wonderful parents,”“to the Lord for just
another day, and to the Rolling Stones. In the hassles condition, they
were told the following:
Hassles are irritantsthings that annoy or bother you. They occur in
various domains of life, including relationships, work, school, hous-
ing, finances, health, and so forth. Think back over today and, on the
lines below, list up to five hassles that occurred in your life.
Examples of hassles listed by participants were as follows: hard to find
parking,”“messy kitchen no one will clean,”“finances depleting quickly,
having a horrible test in health psychology,”“stupid people driving,and
doing a favor for friend who didnt appreciate it.In the events condition,
they were asked the following:
What were some of the events or circumstances that affected you in
the past week? Think back over the past week and write down on the
lines below the five events that had an impact on you.
Examples of events generated by participants were talked to a doctor
about medical school,”“learned CPR,”“cleaned out my shoe closet,”“flew
back to Sacramento, and attended Whole Earth Festival. Subsequent
coding of these events as positive, negative, or neutral revealed that 40%
were rated as pleasant, 30% as unpleasant, and 30% as neutral. Given this
balance, it would appear that we were successful in creating a reasonably
neutral control condition. There were a total of 65 participants in the
gratitude condition, 64 in the hassles group, and 67 in the events condition.
These separate instructions were written on the weekly report, followed
by five blank lines for participants to list blessings, hassles, or life events.
To reduce potential experimental demand, the listing of gratitudes, hassles,
or life events was made at the end of each weekly report following the
other ratings. Reports were handed in at Mondays class to ensure com-
pliance. If participants were unable to turn in the form Monday morning,
they were instructed to turn them in as soon thereafter as possible. After the
forms were passed out, each set of ratings were described to participants
and any questions they had concerning the procedure were answered.
Well-Being Ratings
In addition to the listing of blessings, hassles, or life events, the weekly
form included ratings of mood, physical symptoms, reactions to social
support received, estimated amount of time spent exercising, and two
global life appraisal questions. The 30 affect terms were as follows:
interested, distressed, excited, alert, irritable, sad, stressed, ashamed,
happy, grateful, tired, upset, strong, nervous, guilty, joyful, determined,
thankful, calm, attentive, forgiving, hostile, energetic, hopeful, enthusias-
tic, active, afraid, proud, appreciative, and angry. Items were chosen on
the basis of being commonly occurring affective states (Watson, Clark, &
Tellegen, 1988) as well as specific gratitude-related (thankful, apprecia-
tive) feelings. Participants were asked to rate the extent to which they have
experienced each feeling during the past week on a scale from 1 (not at all)
to5(extremely).
Physical symptoms. We assessed physical symptoms by having par-
ticipants check off whether they had experienced any of the following
sensations: headaches, faintness/dizziness, stomachache/pain, shortness of
breath, chest pain, acne/skin irritation, runny/congested nose, stiff or sore
muscles, stomach upset/nausea, irritable bowels, hot or cold spells, poor
379
GRATITUDE AND WELL-BEING
appetite, coughing/sore throat, or other. Space was also provided for
participants to write in any unlisted symptoms they may have experienced.
A symptom measure was created by summing the 13 items within each
weekly report. We have used this measure in previous research and it is a
reliable and valid index of self-perceived health status (Elliot & Sheldon,
1998; Emmons, 1992; Pennebaker, 1982).
Reactions to aid. As one additional way to measure grateful emotions
in daily life, we assessed various reactions to help-giving. This seemed
particularly appropriate given that the protypical situation in which grati-
tude is felt is in response to benefits provided. On the weekly form,
participants were asked to indicate how they had coped with the most
serious problem with which they were concerned during the week. Among
the coping options listed, the most relevant ones pertinent to this study
were as follows: accepted sympathy from someone, talked to someone
about how they were feeling, or received concrete help or advice from
someone. If they answered yes to any of these, they were then asked to
rate how they felt toward the person who provided the assistance using the
following adjectives: grateful, annoyed, embarrassed, understood, sur-
prised, glad, frustrated, and appreciative. These ratings were made on a
5-point scale ranging from 1 very slightly or not at all to 5 extremely.
We subsequently summed grateful, appreciative, understood, and glad into
a composite (
.92).
Global appraisals. We included two questions on the weekly form to
assess both concurrent and prospective overall well-being. Participants
were asked to rate how they felt about their life as a whole during the week,
on a 3to3 scale, anchored with the adjectives terrible and delighted
(modeled after Andrews & Withey, 1976). A second question asked
participants to rate their expectations for the upcoming week, also on a 3
to 3 scale, with the endpoints labeled pessimistic, expect the worst and
optimistic, expect the best.
Results
Data Reduction
For each of the 9 weeks during which follow-up surveys were
collected, we aggregated peoples scores on the three adjectives
related to gratitude (grateful, thankful, and appreciative) to derive
a single measure of mean weekly gratitude. These three adjectives
were highly correlated, with internal consistency reliability (Cron-
bachs alpha) estimates ranging from .86 to .92. These three-item
composites were aggregated to form a single 9-week composite
measure of gratitude. Similar 9-week composites were created for
each of the 27 discrete affects. We omitted the first weekly report
because the well-being items on the report were answered prior to
the gratitude listing.
We also calculated mean 9-week composites of positive and
negative affect by submitting the 9-week composites of the 27
discrete affects to a maximum-likelihood factor analysis with
oblimin rotation (⌬⫽0).
1
Five factors were extracted with ei-
genvalues greater than 1.0, but eigenvalues dropped precipitously
from the second to the third factor (from 7.4 to 1.3), so we
concluded that only two factors were necessary to describe the
interrelations among the 27 9-week composite affects. Therefore,
we reconducted the factor analysis, specifying that only two fac-
tors be extracted. These two factors accounted for 59% of the
variance in the 27 9-week composite affects. The first factor,
which accounted for 33% of the variance, was clearly a measure of
positive affect, with all positive affects loading greater than .50 on
this factor and no loadings greater than .30 with any of the negative
affects. The second factor, which accounted for 26% of the vari-
ance, was clearly a measure of negative affect, with all of the
negative affects loading greater than .60 on this factor and no
loadings greater than .30 with any of the positive affects. Despite
our use of an oblique rotation method, the positive affect and
negative affect factor scores were virtually orthogonal, r(N
192) ⫽⫺.04, p .05.
Manipulation Check
We conducted a one-way analysis of variance (ANOVA), with
the 9-week mean gratitude rating as the dependent variable and the
three experimental conditions (gratitude, hassles, events) as the
three levels of the independent variable to determine whether the
three conditions elicited differential amounts of gratitude across
the 9-week follow-up period. The means and standard deviations
of the 9-week composite gratitude and the 9-week composite
positive and negative affect factors appear in Table 1. The main
effect for condition was significant, F(2, 189) 4.69, p .01. A
post hoc Scheffe´’s test revealed that the gratitude condition elicited
more gratitude (M 10.16, SD 1.93) than did the hassles
condition (M 9.08, SD 1.95), p .05. Neither the gratitude
nor the hassles conditions elicited significantly different amounts
of gratitude than did the events condition (M 9.58, SD 2.15),
ps .05. Effect sizes (Cohens d) were 0.56 for the mean differ-
ence between the gratitude and hassles conditions, 0.28 for the
mean difference between the gratitude and neutral events condi-
tions, and 0.24 for the mean difference between the neutral events
and hassles conditions. Thus, relative to the neutral events condi-
tion, the gratitude and hassles conditions had nearly equal and
opposite effects (i.e., SD .24 and .28, respectively) on daily
levels of gratitude. However, participants in the gratitude condition
did not differ significantly from participants in the hassles or
events condition on either the positive or negative affect factors.
Global Appraisals and Health Measures
The mean ratings for the two global well-being items, amount of
exercise, and physical symptoms are shown in Table 2. There was
a significant main effect for the ratings of ones life as a whole and
expectations concerning the upcoming week: Participants in the
gratitude group rated their life more favorably on these two items
than did participants in the hassles group or events group (group
means and Fs can be found in Table 2). The gratitude-group
participants experienced fewer symptoms of physical illness than
those in either of the other two groups. Lastly, there was a main
effect for hours of exercise: People in the gratitude condition spent
significantly more time exercising (nearly 1.5 hr more per week)
than those in the hassles condition.
1
These results were nearly identical to the results obtained when using
principal components, although the maximum likelihood method is typi-
cally preferred for such uses.
380
EMMONS AND MCCULLOUGH
Reactions to Aid
Grateful emotions in response to aid giving were significantly
associated with higher ratings of joy and happiness
2
aggregated
over the 9-week period (rs .41 and .42, respectively, p .01).
These correlations were computed across all three conditions. The
gratitude variable was also associated with more favorable life
appraisals (r .22, p .01) and with more optimism concerning
the upcoming week (r .24, p .01). In contrast, feeling
annoyed, embarrassed, surprised, or frustrated in response to aid
bore no relationship with these outcome measures. These data
indicate that grateful responses to help-giving are associated with
more favorable overall evaluations of well-being.
Discussion
There appeared to be some positive benefits for well-being
specific to the gratitude condition in Study 1. Relative to the
hassles and life events groups, participants in the gratitude condi-
tion felt better about their lives as a whole, and were more
optimistic regarding their expectations for the upcoming week.
They reported fewer physical complaints and reported spending
significantly more time exercising. Yet the gratitude condition did
not appear to influence global positive or negative affect. Study 1
was limited in that participants were asked to complete only one
report per week. The effects on emotional well-being might be
more pronounced with a more intensive intervention. To introduce
a stronger manipulation, we designed a second study. This second
study was similar in most respects to Study 1 except that (a) diaries
were kept on a daily basis over a 2-week period, (b) we replaced
the life events group with a downward social comparison focused
group, and (c) we included a wider range of well-being outcomes
than in Study 1.
Study 2
Method
Participants
The original sample consisted of 166 undergraduate participants (125
women, 41 men) enrolled in a health psychology class in a large, public
university. They participated to fulfill the experiential learning component
of the course. Nine of the subjects were eventually eliminated for failing to
provide complete data, leaving a total of 157.
Procedure
Participants were provided with a packet of 16 daily experience rating
forms. The first 2 days were considered practice days and were not
counted in the observation period. As in Study 1, we eliminated from
analyses the first report from the observation period, resulting in a total
of 13 daily reports that were used in the analyses to be reported. The affect
rating portion of the daily mood and health report was nearly identical to
the weekly report used in Study 1, except that the wording was changed to
reflect the different time frame (please rate the extent to which you felt the
following reactions during the day today) and minor changes were made
in some of the emotion terms on the form. Participants were instructed that
their ratings should reflect their appraisal of the day as a whole. They were
asked to complete the form in the evening before going to sleep and to turn
in the form at the next class period. Compliance with the procedure was
high; no participants had to be eliminated for noncompliance.
Conditions
Instructions for the gratitude and hassles conditions were identical to
those used in Study 1. The third condition was a downward social com-
parison condition. Participants were told the following:
It is human nature to compare ourselves to others. We may be better
off than others in some ways, and less fortunate than other people in
other ways. Think about ways in which you are better off than others,
things that you have that they dont, and write these down in the
spaces below.
We included this condition to have a condition that appeared to be positive
on the surface (to attempt to control for demand characteristics) but in
reality might lead to different outcomes than the gratitude focus. Smiths
(2000) review of the emotional effects of social comparison indicates that
pride and schadenfreude (pleasure at the misfortune of others) are two
common reactions to a downward social comparison. There were 52
participants in the gratitude condition, 49 in the hassles condition, and 56
in the downward social comparison condition.
Health Behaviors
The daily form asked participants to record the number of minutes they
spent exercising strenuously, the number of minutes spent exercising
moderately, the number of caffeine beverages consumed, the number of
2
Rather than correlate the gratitude composite with each of the separate
affects, we chose the two clearest markers of pleasant affect, happiness and
joy.
Table 1
Effects of Experimental Condition on 9-Week Mean Affects,
Study 1
Dependent variable Gratitude Hassles Events F(2, 193)
Gratitude composite 10.16
a
9.08
b
9.58
ab
4.69*
Positive affect factor 0.18 0.13 0.03 1.73
Negative affect factor 0.07 0.14 0.07 1.16
Note. Means that do not share a letter are significantly different, p .05.
* p .05.
Table 2
Comparisons of Groups by Measures of Well-Being, Study 1
Dependent variable
Condition
Grateful Hassles Events F(2, 189)
Life as whole 5.05
a
4.67
b
4.66
b
4.08*
Upcoming week 5.48
a
5.11
b
5.10
b
2.81*
Physical symptoms 3.03
a
3.54
b
3.75
b
3.06*
Hours of exercise 4.35
a
3.01
b
3.74
a
3.76**
Note. N 192. Means that do not share a letter are significantly different,
p .05.
* p .05. ** p .01.
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GRATITUDE AND WELL-BEING
alcoholic beverages consumed, and the number of aspirins or pain relievers
taken. Because of the between-group exercise finding in Study 1, we
attempted to decompose the exercise variable into more specific types of
exercise. Strenuous exercise was defined as hard exercise where you work
up a sweat and your heart beats fast (e.g., aerobics, running, swimming
laps, dancing). Moderate exercise was defined as exercise that is not
exhausting (e.g., biking, easy swimming, using an exercise machine,
lifting weights). We also asked participants to record the number of hours
of sleep they received the previous night and to rate the quality of that sleep
on a scale from 1 (very sound or restful)to5(very restless).
Prosocial Behaviors
We asked participants to indicate, each day, if they had helped someone
with a problem or offered someone emotional support. These were an-
swered in a simple yes or no to each.
Results
Data Reduction
Within each daily survey, we aggregated scores on the three
adjectives related to gratitude (grateful, thankful, and appreciative)
to derive a single measure of mean daily gratitude. These three
adjectives were highly correlated, with internal consistency reli-
ability (Cronbachs alpha) estimates ranging from .84 to .90. These
daily mean gratitude ratings from Days 214 were aggregated to
form a single composite across the 13 days.
As in Study 1, we also calculated mean 13-day positive and
negative affect scores by submitting the 27 other 13-day affect
ratings to a maximum-likelihood factor analysis with oblimin
rotation (⌬⫽0; see Footnote 1). As in Study 1, we specified that
only two factors be extracted. These two factors accounted for
58% of the variance in the 27 13-day mean affect ratings. The first
factor, which accounted for 37% of the variance, was clearly a
measure of positive affect, with all positive affects loading greater
than .50 on this factor and no loadings greater than .30 with any of
the negative affects. The second factor, which accounted for 20%
of the variance, was clearly a measure of negative affect, with all
of the negative affects loading greater than .50 on this factor and
no loadings greater than .30 with any of the positive affects.
Despite our use of an oblique rotation method, the positive affect
and negative affect factor scores were virtually orthogonal, r(N
157) ⫽⫺.01, p .05.
Manipulation Check
We conducted a one-way ANOVA, with the 13-day mean
gratitude rating as the dependent variable and the three experimen-
tal conditions (gratitude, hassles, social comparison) as the three
levels of the independent variable to determine whether the three
conditions elicited differential amounts of gratitude across the
13-day follow-up period. The means and standard deviations of the
13-day mean gratitude and the 13-day mean positive and negative
affect factors appear in Table 3. The main effect for condition was
significant, F(2, 154) 8.40, p .001. A post hoc Scheffe´’s test
revealed that the gratitude condition elicited significantly more
gratitude (M 9.78, SD 1.80) than did the hassles condition
(M 8.03, SD 2.18), p .05. Neither the gratitude nor the
hassles conditions elicited significantly different amounts of grat-
itude than did the social comparison condition (M 8.93,
SD 2.41), ps .05. Effect sizes (Cohens d) were 0.88 for the
mean difference between the gratitude and hassles conditions, 0.40
for the mean difference between the gratitude and social compar-
ison conditions, and 0.39 for the mean difference between the
social comparison and hassles conditions. Thus, relative to the
social comparison condition, the gratitude and hassles conditions
had nearly equal and opposite effects (i.e., SD .40 and .39,
respectively) on daily levels of gratitude. It is interesting to note
that the standard mean difference between the gratitude and has-
sles conditions was considerably larger in Study 2 (d .88) than
in Study 1 (d .56), suggesting that the daily tasks completed in
Study 2 were, on average, more potent in facilitating and inhibiting
gratitude than they were when completed on a more infrequent,
weekly basis.
The gratitude condition appeared to increase positive affect
during the 13-day period. People in the gratitude condition
(M 0.24, SD 0.75) reported significantly (p .05) more
positive affect (attentive, determined, energetic, enthusiastic, ex-
cited, interested, joyful, strong) than did participants in the hassles
group (M ⫽⫺0.26, SD 0.94). The social comparison group
(M 0.00, SD 1.16) was not significantly (p .05) different
from either the gratitude (p .46) or hassles (p .39) conditions.
In contrast, there was little strong indication that the interventions
had differential effects on negative affect during the 13-day period,
F(2, 154) 0.25, p .78.
Gratitude as a Mediator of the Interventions’ Effects on
Positive Affect
Our theorizing has led us to suggest that gratitude, per se, may
help to boost positive affect more generally, which is consistent
with the facts that (a) the gratitude intervention elicited more
gratitude and more positive affect than did the hassles condition,
and (b) gratitude and positive affect were correlated, r(N 157)
.80, p .001. However, these bivariate associations do not shed
light on the stronger hypothesis that the gratitude interventions
effects on gratitude were responsible for the effects of the inter-
vention on positive affect more generally. Moreover, the bivariate
associations do not test the possibility that the effects of the
intervention on gratitude were the by-product of the more general
effects of the interventions on positive affect. To examine these
latter hypotheses explicitly requires mediational analyses (e.g.,
Baron & Kenny, 1986).
Table 3
Effects of Experimental Condition on 13-Day Mean Affects,
Study 2
Dependent variable Gratitude Hassles
Social
comparison F(2, 157)
Gratitude composite 9.78
a
8.03
b
8.93
ab
8.40*
Positive affect factor 0.24
a
0.26
b
0.00
ab
3.28*
Negative affect factor 0.00 0.00 0.06 ns
Note. Means that do not share a letter are significantly different, p .05.
* p .05.
382
EMMONS AND MCCULLOUGH
According to Baron and Kenny (1986, p. 1177), mediation may
be present when the following three conditions are met: (a) an
intervention has a significant effect on a presumed mediator (i.e.,
gratitude); (b) the intervention has a significant effect on the
criterion variable (i.e., positive affect); and (c) the presumed me-
diator (gratitude) and the criterion (positive affect) are signifi-
cantly related when the effect of the intervention is controlled.
When the effect of the intervention on the criterion disappears
completely when the presumed mediator is controlled, one may
reasonably conclude that the presumed mediator completely me-
diates the effect of the intervention on the criterion.
Because the gratitude intervention appeared to create more
grateful emotion and more positive affect than did the hassles
condition (but not the downward social comparison condition), we
limited our mediational analyses only to participants who were
involved in the gratitude and hassles conditions. We converted the
difference in the effects of these two interventions on gratitude and
positive affect to correlation coefficients to enhance the interpret-
ability of our mediational analysis.
The correlation of the intervention effect (i.e., gratitude vs.
hassles) with gratitude was r(N 101) ⫽⫺.41, p .001, with the
negative sign indicating that the mean gratitude score was lower in
the hassles condition. The correlation of the intervention effect on
positive affect was r(N 101) ⫽⫺.28, p .01. When positive
affect was regressed on the intervention effect and gratitude si-
multaneously, gratitude had a significant unique association with
positive affect (
.85, p .001), but the intervention did not
(
.06, p .31). Conversely, when gratitude was regressed on
the intervention effect and positive affect simultaneously, positive
affect had a significant unique association with gratitude (
.77,
p .001), but the intervention effect did as well (
⫽⫺.19, p
.001).
The indirect (mediated) effect of the intervention on positive
affect can be computed as the product of the correlation coefficient
indexing the intervention-gratitude relationship (r ⫽⫺.41) and the
regression coefficient indexing the so-called effect of gratitude on
positive affect, controlling for the intervention effect (
.85).
The product of these two coefficients is .35. The proportion of
the total intervention-positive affect association (i.e., r ⫽⫺.28)
that is accounted for by the mediating effects of gratitude can
therefore be computed as the indirect effect divided by the total
effect (i.e., .35/.28). Multiplying this quotient by 100% yields
a value exceeding 100%, so we can conceptualize gratitude as a
complete mediator of the interventions effect on positive affect.
Conversely, if we assume that the effects of the intervention on
gratitude were mediated by positive affect, we would calculate the
indirect effect of the intervention on gratitude as [(.28)(.77)]
.22. The proportion of the total effect of the intervention on
gratitude (r ⫽⫺.41) that can be attributed to the indirect effects of
the intervention on positive affect, therefore, is .22/.41 54%.
Thus, it appears that it is reasonable to conclude that gratitude
completely mediates the effects of the gratitude (vs. hassles) in-
tervention on positive affect, but it does not appear that the effects
of the gratitude intervention on grateful emotion can be concep-
tualized strictly as the by-product of the interventions more gen-
eral effects on positive affect.
Health Outcomes
In contrast to Study 1, there were no differences in reported
physical health complaints nor in time spent exercising, either
vigorously or moderately, between the three groups. There were
also no differences on the additional health behaviors that were
measured (sleep amount and quality, aspirin, caffeine, alcohol
usage).
3
Prosocial Behaviors
There was an indication that the interventions had differential
effects on the two items that measured prosocial behavior. People
in the gratitude condition were more likely to report having offered
emotional support to others, F(2, 154) 2.98, p .05, than those
in either the hassles group or the social comparison group. They
were also marginally more likely to have helped someone with a
problem, F(2, 154) 1.72, p .08, compared with people in the
hassles condition. They did not differ from the social comparison
condition in frequency of helping others.
Discussion
Using a more intensive procedure for cultivating gratitude in
this second study enabled us to observe a number of beneficial
emotional effects of focusing on what one is grateful for. People in
the gratitude condition experienced higher levels of positive affect
during the 13-day period, and it appears plausible that this effect
on positive affect generally was due to the interventions effect on
gratitude per se. They were also more likely to report having
helped someone with a personal problem or offered emotional
support to another, suggesting prosocial motivation as a conse-
quence of the gratitude induction. Data were consistent with the
hypothesis that gratitude mediated the effects of the intervention
on positive affect. Unlike Study 1, however, the benefits did not
extend to the somatic realm: No differences were observed in
physical symptomatology or health behaviors. We suspect that this
may have been due to the relatively short time frame of the study.
People are unlikely to alter their exercise habits in a 2-week period.
Because of the failure to replicate some of the effects from
Study 1 to Study 2, we conducted a third study. Study 3 had the
following three main purposes: (a) to extend the experimental
period from 2 weeks to 3 weeks to see if the benefits of a grateful
outlook could be observed over a longer period of time; (b) to
broaden our participant base beyond healthy college students by
recruiting an adult sample with chronic disease; and (c) to examine
whether the affective benefits observed in Study 2 could be rep-
licated in another daily study and, importantly, if these effects are
observable within the context of the persons closest relationship.
We thus expand our range of dependent variables to include
spouse-rated affect and satisfaction with life.
3
Descriptive statistics on these health variables are available from
Robert A. Emmons.
383
GRATITUDE AND WELL-BEING
Study 3
Method
Participants
The original sample consisted of 65 people (44 women, 21 men) with
either congenital or adult-onset NMDs. Participants were recruited through
a mailing list compiled by the University of California, Davis, Medical
Center Neuromuscular Disease Clinic. They ranged in age from 22 to 77
years, with a mean age of 49 years. The majority had one of three NMDs:
Post-polio, Charcot-Marie-Tooth, or Fascioscapulohumeral (see http://www.
rehabinfo.net for more information about NMD). Sixty-eight percent of the
participants were married, 42% had college or postgraduate degrees, and
their mean income was between $15,000 and $25,000. Little is known
about factors affecting the quality of life in persons with NMDs (Abresch,
Seyden, & Wineinger, 1998), and thus the availability of this sample
provided us with a unique opportunity to determine if the gratitude inter-
vention could be effective in improving well-being in this population.
Procedure
Participants were provided with a packet of 21 daily experience rating
forms that were very similar to those used in Study 2. They were also
provided with a set of instructions and business reply envelopes for mailing
their forms directly back to the researchers. They were instructed to fill out
the form as close to the end of the day as possible, and were told that their
ratings are meant to summarize the day as a whole. We encouraged them
to try and complete it as late in the day as possible, but before being too
sleepy to complete it accurately. It was stressed that for most of them, the
optimal time will be in the early evening. The daily form took approxi-
mately 5 min to complete each evening. Participants were asked to mail in
their forms once a week. Finally, they were told that should they forget to
fill out a form, that it is better to omit the form for that day rather than
filling it out from memory. Participants were paid $20 if they completed all
of the forms; $15 if they failed to complete all 21 forms. Virtually everyone
completed all 21 forms.
Conditions
Participants were assigned to one of two conditions: the gratitude con-
dition used in Studies 1 and 2 or a control condition in which participants
completed the affect, well-being, and global appraisals only each day.
There were a total of 33 participants in the gratitude condition and 32 in the
control condition. Examples of gratitude inducing experiences were as
follows: grateful to my boss for understanding my needs,”“to my gar-
dener, and to my paperboy for being so reliable.
Daily Experience Form
Daily affect. Each day, participants indicated the extent to which they
had experienced each of 32 discrete affects (including grateful, thankful,
and appreciative, as well as the specific affects used in Studies 1 and 2) on
a 5-point Likert-type scale (ranging from 1 very slightly or not at all to
5 extremely).
Subjective well-being. Participants completed the same two global life
appraisals (regarding life as a whole and optimism about the upcoming
week) that we used in Study 2. In addition, participants indicated how
connected they felt with others (where 3 isolated and 3 well-
connected). We included this item because an important issue for the
quality of life in people with NMD is a sense of integration into their
community (Abresch et al., 1998).
Health behaviors. The daily form asked participants to record the
number of hours of sleep they received the night before, whether they had
any difficulties falling asleep the night before (yes/no), and how refreshed
they woke up from sleep that morning (ranging from 1 not at all to 5
extremely). Participants also indicated how much physical pain they expe-
rienced each day (ranging from 1 none and 6 very severe) and how
pain interfered with what they wanted to accomplish each day (ranging
from 1 none and 5 extremely). Finally, participants indicated whether
they had exercised that day (yes/no). We included items on sleep duration
and sleep quality because sleep predicts quality of life in older populations
(Hoch et al., 2001).
Activities of daily living. Participants indicated (yes/no) whether they
had difficulties with any of six activities of daily living: (a) walking across
a small room, (b) bathing or dressing; (c) eating; (d) lifting or carrying
objects; (e) climbing stairs; (f) using the toilet. These items were averaged
to create an overall measure of functional status. This six-item composite
had an internal consistency reliability of
.79.
Observer reports of well-being. To augment the self-reports of the
well-being variables, we administered the Positive and Negative Affect
Scales and the Satisfaction With Life Scale (Diener, Emmons, Larsen, &
Griffin, 1985) to the participants spouse or significant other. We asked
them to fill out the questionnaires according to how they think their spouse
or significant other would respond. They were sent these questionnaires
immediately following the 21-day period, and were asked to complete the
measure in confidentiality. These questionnaires were mailed directly back
to us, and we paid spouses or significant others $10 for completing the
measure. A total of 26 observer reports were obtained from each group.
Results
Data Reduction
Within each daily survey, we aggregated scores on the three
adjectives related to gratitude (grateful, thankful, and appreciative)
to derive a single measure of mean daily gratitude. These three
adjectives were highly correlated, with a mean internal consistency
reliability of
.91. These daily mean gratitude ratings from
Days 121 were aggregated to form a single composite across
the 21 days. Other daily measures were aggregated into mean
scores over the 21-day period.
Manipulation Check
We conducted a one-way ANOVA, with the 21-day mean
gratitude rating as the dependent variable and the two experimental
conditions (gratitude, control) as the two levels of the independent
variable to determine whether the conditions elicited differential
amounts of gratitude across the 21-day follow-up period. The main
effect for condition was significant, F(1, 63) 9.80, p .01. As
seen in Table 4, the gratitude condition elicited more gratitude
Table 4
Means, Standard Deviations, and Effects of Experimental
Condition on 21-Day Mean Affects, Study 3
Dependent variable Gratitude Control F(1, 63)
Gratitude composite 10.87 8.91 9.80**
Positive affect factor score 0.35 0.25 5.18*
Negative affect factor score 0.26 0.26 4.37*
Note. N 65.
* p .05. ** p .01.
384
EMMONS AND MCCULLOUGH
(M 10.87, SD 2.47) than did the control condition (M 8.91,
SD 2.55), d .78.
Group Differences on Positive and Negative Affect
As in Studies 1 and 2, we calculated mean 21-day positive and
negative affect scores by submitting the 29 other 21-day discrete
affect ratings to a maximum-likelihood factor analysis with ob-
limin rotation (⌬⫽0). For this factor analysis, to increase our
cases-to-variables ratio, we also included data from 32 participants
who completed an experimental condition that was not included in
the present study. As in Studies 1 and 2, we also specified that only
two factors be extracted. These two factors accounted for 66% of
the variance in the 29 21-day mean affect ratings. The first factor,
which accounted for 40% of the variance, was clearly a measure of
negative affect, with loadings greater than .80 for typical negative
affects such as bitter, sad, and afraid, and no loadings greater than
.40 with any of the positive affects. The second factor, which
accounted for 26% of the variance, was clearly a measure of
positive affect, with typical positive affects such as happy, excited,
and inspired loading greater than .80 on this factor and no loadings
greater than .30 with any of the negative affects. The positive
affect and negative affect factor scores were only modestly corre-
lated, r(N 96) ⫽⫺.18, p .05.
As can be seen in Table 4, the gratitude intervention produced
higher scores on the positive affect factor (M 0.35, SD 1.13)
than did the control condition (M ⫽⫺0.25, SD 0.98), F(1,
63) 5.18, p .026, d .56. Also, the gratitude condition
produced lower scores on the negative affect factor (M ⫽⫺0.26,
SD 0.73) than did the control condition (M 0.26, SD 1.23),
F(1, 63) 4.37, p .041, d ⫽⫺.51. Thus, it appeared that the
gratitude condition not only fostered daily positive affect, but also,
reduced daily negative affect, during the 21-day study period.
Gratitude as a Mediator of the Interventions Effects on
Positive Affect
Mean daily gratitude was correlated with mean daily positive
affect, r(N 65) .77, p .001, but not with mean daily
negative affect, r(N 65) .10, p .43. Because, as in Study 2,
the gratitude intervention appeared to increase mean daily grati-
tude as well as mean daily positive affect, and because these two
measures themselves were significantly correlated, we examined
whether the effect of the gratitude intervention on daily positive
affect was mediated by the effect of the gratitude intervention on
gratitude. We also explored the possibility that the effect of the
gratitude intervention on daily gratitude could be conceptualized
as simply the by-product of its general effect on mean daily
positive affect. As in Study 2, we converted the difference in the
effects of these two interventions on gratitude and positive affect
to correlation coefficients to enhance the interpretability of our
mediational analysis.
The correlation of the intervention effect (i.e., gratitude vs.
control) with gratitude was r(N 65) ⫽⫺.37, p .003, with the
negative sign indicating that the mean gratitude score for partici-
pants in the control condition was lower than that for those in the
gratitude condition. Similarly, the correlation of the intervention
effect on positive affect was r(N 65) ⫽⫺.28, p .026. When
positive affect was regressed on the intervention effect and grati-
tude simultaneously, gratitude had a significant unique association
with positive affect (
.78, p .001) but the intervention did not
(
.01, p .92). Conversely, when gratitude was regressed on
the intervention effect and positive affect simultaneously, positive
affect had a significant unique association with gratitude (
.73,
p .001), but the intervention effect also had a small, statistically
significant effect on gratitude (
⫽⫺.17, p .044).
The indirect (mediated) effect of the intervention on positive
affect is equal to the product of the correlation coefficient indexing
the intervention-gratitude relationship (r ⫽⫺.37) and the regres-
sion coefficient indexing the so-called effect of gratitude on pos-
itive affect (
.78). The product of these two coefficients equals
.29. The proportion of the total intervention-positive affect as-
sociation (i.e., r ⫽⫺.28) that is accounted for by the mediating
effects of gratitude can therefore be computed as the quotient of
the indirect effect to the total effect. Multiplying this quotient
(.29/.28) by 100% yields a value exceeding 100%, so, on the
basis of the available evidence, we can conceptualize gratitude as
a complete mediator of the interventions effect on positive affect.
Conversely, if we assume that the effects of the intervention on
gratitude were mediated by positive affect, we would calculate the
indirect effect of the intervention on gratitude as [(.28)(.73)]
.20. The proportion of the total effect of the intervention on
gratitude (r ⫽⫺.37) that can be attributed to the indirect effects of
the intervention on positive affect therefore is .20/.37 55%.
Thus, as we found in Study 2, it appears reasonable to conclude
that gratitude completely mediates the effects of the gratitude
intervention on positive affect, but it does not appear that the
effects of the gratitude intervention on grateful emotion were
strictly the by-product of the interventions more general effects on
positive affect.
Effects on Subjective Well-Being
Subjective appraisals. As in Study 1, participants in the grat-
itude condition reported considerably more satisfaction with their
lives as a whole, felt more optimism about the upcoming week,
and felt more connected with others than did participants in the
control condition (see Table 5). Therefore, it appears that partici-
pation in the gratitude condition led to substantial and consistent
improvements in peoples assessments of the global well-being.
Effects on Health Measures
As can be seen in Table 6, participants in the gratitude condition
reported getting more hours of sleep each night than did partici-
Table 5
Comparisons of Groups by Measures of Subjective Well-Being,
Study 3
Dependent variable Gratitude Control F(1, 63)
Life as whole 5.54 4.80 13.77**
Upcoming week 5.70 5.20 5.38*
Connected with others 5.77 5.07 11.67**
Note. N 65.
* p .05. ** p .01.
385
GRATITUDE AND WELL-BEING
pants in the control condition. However, in contrast to Study 1,
there were no other differences in reported physical health symp-
toms or on the six-item measure of functional status.
Observer Reports of Well-Being
For the 26 participants in the gratitude condition and in the
control condition, we computed the mean positive affect, negative
affect, and life satisfaction on the basis of the reports submitted by
their spouse or significant other. The participants in the gratitude
condition were rated as higher in positive affect (3.68 vs. 3.31, p
.06) and life satisfaction (4.42 vs. 3.63, p .02) than participants
in the control condition; no difference was observed for negative
affect. These data indicate that the benefits of the gratitude listing,
in comparison with a control group, transcend self-perceptions and
are evident at least to significant others.
Discussion
As in Study 1, the gratitude manipulation affected subjective life
appraisals. As in Study 2, the gratitude manipulation appeared to
create increases in positive affect, as well as reductions in negative
affect. Once again, mediational analyses showed that gratitude was
uniquely responsible for the effect of the intervention on positive
affect. In addition, the gratitude intervention also appears to have
improved peoples amount of sleep and the quality of that sleep.
Furthermore, the effects on well-being (positive affect and life
satisfaction) were apparent to the participants spouse or signifi-
cant other. However, similar to Study 2, there were no measurable
effects of the manipulation on other measures of physical health or
health behaviors.
General Discussion
A prevailing sentiment in both classical and popular writings on
happiness is that an effective approach for maximizing ones
contentment is to be consciously grateful for ones blessings. It
would seem that, on the basis of the results of these three exper-
imental studies, there is some truth to this wisdom. Our results
provide some important findings that have not been reported in the
empirical literature on happiness. There do appear to exist benefits
to regularly focusing on ones blessings. The advantages are most
pronounced when compared with a focus on hassles or complaints,
yet are still apparent in comparison with simply reflecting the
major events in ones life, on ways in which one believes one is
better off than comparison with others, or with a control group. In
Study 1, we found that a weekly benefit listing was associated with
more positive and optimistic appraisals of ones life, more time
spent exercising, and fewer reported physical symptoms. In
Study 2, self-guided daily gratitude exercises were associated with
higher levels of positive affect. People led to focus on their
blessings were also more likely to report having helped someone
with a personal problem or offered emotional support to another,
suggesting prosocial motivation as a consequence of the gratitude
induction. This finding lends support to the hypothesis that grati-
tude serves as a moral motivator (McCullough, Kilpatrick, Em-
mons, & Larson, 2001). The daily manipulation in Studies 2 and 3,
were, on average, more powerful in facilitating gratitude than was
the weekly listing used in Study 1. Consequently, the attendant
effect sizes for the manipulation were larger in Study 2. Study 3
examined the effects of the gratitude manipulation in a sample of
adults with NMD. We found that random assignment to the grat-
itude condition resulted in greater levels of positive affect, more
sleep, better sleep quality, and greater optimism and a sense of
connectedness to others. In Study 3, we even found that the
gratitude intervention led to reductions in negative affect, a finding
that is consistent with correlational research reporting that trait
gratitude is associated with less negative affect (McCullough et al.,
2002). Of most importance, our mediational analyses in Studies 2
and 3 revealed that the effects of the intervention on gratitude were
specifically the results of the gratitude induction and were not the
by-product of the more general effect of the intervention on
positive affect.
Strengths and Limitations
Because of the dearth of experimental research on strategies for
cultivating positive affect in daily life, the research reported in
these studies offer important contributions not previously demon-
strated. We believe that we have established a rather easily imple-
mented strategy for improving ones level of well-being. We do
not know how long these effects last and whether they can be
sustained over time. There does seem to be evidence that some of
the effects on well-being are apparent to others, as the observer
ratings in Study 3 indicate. Future studies will need to be designed
to examine long-term consequences of counting blessings.
One of the unique features of this research is that we randomly
assigned participants to conditions. The literature on personality
and subjective well-being is almost entirely correlational in nature.
It should be kept in mind that the manipulation used in these three
studies represents, in our view, a rather minimal intervention. We
asked participants to reflect, either once a week or once a day for 2
to 3 weeks, on what they have to be grateful for and we expected
this limited request to impact on well-being. Seen in that light, the
results we obtained were rather noteworthy. After all, there are a
myriad of influences on well-being, from personality factors to
genetic influences to chronic and temporary life events, and thus
any one factor by itself would not be expected to be particularly
potent. We are under no illusion that we were able to inculcate a
deep sense of gratefulness as a fundamental life orientation or to
instill the virtue of gratitude as a result of this brief manipulation.
Nevertheless, we believe that given the previous theoretical argu-
Table 6
Comparisons of Groups on Measures of Physical Well-Being,
Study 3
Dependent variable Gratitude Control F(1, 63)
Hours of sleep 7.58 7.06 5.60*
How refreshed on waking 3.04 2.58 3.09*
Physical pain 2.96 3.20 0.91
Pain interference 2.30 2.35 0.05
Exercise (yes/no) 1.60 1.72 1.78
Functional status 1.63 1.58 0.49
Note. N 65.
* p .05.
386
EMMONS AND MCCULLOUGH
ments and the limited empirical work concerning gratitude, that an
intentional grateful focus is one form of cognitive appraisal of
ones life circumstances with the ability to impact long-term levels
of well-being.
In each study, inducing a state of gratefulness through the
self-guided gratitude exercises led to some emotional, physical, or
interpersonal benefits. Unfortunately, not all findings replicated
across the three studies. With respect to the failure to replicate the
exercise finding, we suspect that 23 weeks is simply too short a
period of monitoring to observe an effect. People are unlikely to
alter habitual exercise patterns within such a short period of time.
We are confident that this was a real effect in Study 1, and did not
simply reflect self-perceptions. Studies have found that self-reports
of exercise correlate reliably with physical fitness levels and to
physiological indices such as resting heart rate (Brown, 1991).
Similarly, health complaints, reflecting as they do stable predis-
positions (Wangby, 2000) would also be unlikely to shift signifi-
cantly within a short time span. Other methodological factors may
be operating as well. Inspection of mean levels of symptom re-
porting in the first two studies revealed extremely low levels of
symptomatology in Study 2 (roughly half of the mean levels
reported in Study 1). This restriction of range could have attenu-
ated the effects of the experimental manipulation in the daily
study. Aggregating symptoms reports over longer time frames (as
in Study 1) may reveal more reliable effects.
Relative Magnitude of the Effect Sizes
We hypothesized that reflecting on ways in which one perceives
oneself as being better off than others would have less of a
beneficial effect on well-being than would consciously counting
ones blessings. Somewhat contrary to our expectations, we did
not find that the downward social comparison group experienced
statistically significantly lower levels of positive affect as com-
pared with the gratitude-outlook group. Similarly, the social com-
parison group reported only marginally lower levels of grateful
emotions (grateful, thankful, and appreciative) than did partici-
pants in the gratitude condition. However, all of the mean differ-
ences were in the predicted direction, with the downward social
comparison condition falling between the gratitude and hassles
conditions on almost all of the positive moods rated. Studies have
documented that downward social comparison is an effective
coping strategy (Stanton, Danoff-Burg, & Cameron, 1999) and it
has even been suggested as a possible route to gratitude, which
under certain circumstances and for certain people, might increase
their levels of thankfulness (Miller, 1995). Reflecting on the pos-
itive aspects of ones life, a process common to both the downward
social comparison and gratitude conditions, has benefits when
compared with a focus on hassles and complaints. Given that
gratitude is a positive affective state that covaries with other
positive emotions (Mayer et al., 1991), it would be surprising if a
manipulation that elevated positive affect would leave grateful
emotions untouched. Yet, gratitude appears to be the more potent
elicitor of pleasant affect. Because of its potential for eliciting
pride and/or envy (Smith, 2000), we cannot recommend downward
social comparison as a general strategy for inducing feelings of
gratitude when more direct routes are available. Downward social
comparisons have also been shown to have negative implications
for the self and to lead to negative affect (Buunk, Collins, Taylor,
& VanYperen, 1990). The contribution of comparison-based judg-
mental processes for eliciting gratitude (e.g., counterfactual think-
ing; Teigen, 1997) is an intriguing research question that is in need
of further study.
When considering the mean effect sizes, the difference between
the gratitude and hassles conditions became more pronounced in
Study 2, the first daily study. This indicates that, relative to a focus
on complaints, an effective strategy for producing reliably higher
levels of pleasant affect is for people to write, on a daily basis,
about those aspects of their lives for which they are grateful.
Moreover, the participants in the gratitude condition were more
likely to have offered others emotional support, suggesting that not
all benefits were solely intrapsychic.
Alternative Explanations
Is it possible to simply attribute the effects of the intervention to
demand characteristics? If the results were due to demand charac-
teristics, then ratings on the outcome variables should have been
affected uniformly. However, the observed pattern was far less
predictable. Those in the gratitude condition did not always show
advantages over the other conditions, and what advantages they
did exhibit were rather selective. There were clearly limits to the
effect. In Study 3, for example, people in the gratitude condition
did not feel less pain or have fewer difficulties in activities of daily
living. Attempts were also made by us to conceal the hypothesis in
the studies. Participants were unaware that they were participating
in a random design experiment, and would have not been privy to
the various experimental conditions. They were not informed that
it was a research study on gratitude and well-being. The addition
of the social comparison condition in Study 2, where the demands
appear similar yet the effect of the gratitude manipulation was
even stronger, also argues against a simple demand alternative. It
might be also wondered whether the same pattern would have been
observed if we had simply asked people to dwell on the positives
in their lives or had them otherwise engage in happy thinking.
Research literature and conceptual analyses of gratitude suggest
that gratitude is an experiential state that overlaps with yet is
distinct from simply positive thinking. We did not find that the
grateful group felt less angry, depressed, sad, or other unpleasant
states as a global positivity hypothesis might suggest. Furthermore,
in the sense that gratitude is a moral affect that motivates prosocial
behavior, one would anticipate different consequences or action
tendencies for gratitude as opposed to happiness. Indeed, we did
find in Study 2 that people in the gratitude condition were signif-
icantly more likely to have helped another with a personal problem
compared with those in the contrasting conditions.
Gratitude and Well-Being: An Upward Spiral?
Insofar that it is not possible to account for our results in terms
of methodological factors, what mechanisms, psychological or
otherwise, might explain why participants in the gratitude condi-
tion generally evidenced higher levels of well-being than those in
the comparison conditions? We believe that Fredricksons (1998,
2000) broaden and build model of positive emotions may be
especially helpful here. She has argued that positive emotions
387
GRATITUDE AND WELL-BEING
broaden mindsets and build enduring personal resources (Fredrick-
son, 1998). These resources function as reserves to be drawn on in
times of need. Seen in the light of this model, gratitude is effective
in increasing well-being as it builds psychological, social, and
spiritual resources. Gratitude inspires prosocial reciprocity (Mc-
Cullough et al., 2002), and indeed, is one of the primary psycho-
logical mechanisms thought to underlie reciprocal altruism (Triv-
ers, 1971). The experience of gratitude, and the actions stimulated
by it, build and strengthen social bonds and friendships. Moreover,
encouraging people to focus on the benefits they have received
from others leads them to feel loved and cared for by others
(Reynolds, 1983). Therefore, gratitude appears to build friendships
and other social bonds. These are social resources because, in
times of need, these social bonds are wellsprings to be tapped for
the provision of social support. Gratitude, thus, is a form of love,
a consequence of an already formed attachment as well as a
precipitating condition for the formation of new affectional bonds
(Roberts, in press). Gratitude is also likely to build and strengthen
a sense of spirituality, given the strong historical association be-
tween gratitude and religion (Emmons & Crumpler, 2000; McCul-
lough et al., 2002). Finally, to the extent that gratitude, like other
positive emotions, broadens the scope of cognition and enables
flexible and creative thinking, it also facilitates coping with stress
and adversity (Aspinwall, 1998; Folkman & Moskowitz, 2000).
According to the broaden-and-build model, gratitude not only
makes people feel good in the present, but it also increases the
likelihood that people will function optimally and feel good in the
future. Watkins (in press) describes several other potential mech-
anisms that might account for the link between grateful cognitions
and subjective well-being.
Directions for Future Research
Although we have made some progress in understanding how
gratitude as a conscious cognitive strategy might affect psycho-
logical well-being, many important questions remain to be asked.
For example, we have treated gratitude as a malleable character-
istic in our research, yet it may also possess trait-like qualities
(McCullough et al., 2002). To what degree would dispositional
gratefulness, or other individual differences, interact with a grati-
tude manipulation to either strengthen or weaken the effect? Can
gratitude be cultivated equally well in men and women? It has
been argued that conventional, self-reliant men may be averse to
experiences and expressions of gratefulness to the extent that they
signify dependency and indebtedness (Solomon, 1995). Those
designing gratitude interventions may have to be sensitive to
different meanings that men and women might associate with
gratitude.
We do not know the extent to which gratitude interventions
might be effective in people with affective disorders, such as
(sub)clinical depression. If a daily gratitude focus can augment
positive affect, as Studies 2 and 3 suggest, then perhaps such
intervention may be effective in alleviating milder forms of de-
pressed affect. Can thankfulness be incorporated into cognitive
behavioral interventions modeled after those that are effective in
instilling a sense of optimism (Buchanan, Gardenswartz, & Selig-
man, 1999)? If so, might these also be effective in the prevention
or alleviation of debilitating negative affect, anger, and resentment
(Roberts, in press), or even eating disorders (Morishita, 2000)?
Naikan therapy, a demanding form of self-reflective therapy orig-
inating in Japan, is a technique in which clients are induced to
experience a strong sense of gratitude to those who have provided
them with benefits (Hedstrom, 1994; Reynolds, 1983). It has been
associated with some positive outcomes, including increased fa-
vorable evaluations of others (Hedstrom, 1994). Beyond our rudi-
mentary efforts to cultivate gratitude in these studies, what are the
most effective, long-term ways of kindling grateful thoughts and
actions? What chronic thoughts and attitudes thwart grateful think-
ing? These questions and others constitute an agenda for the
growing science of gratitude research.
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GRATITUDE AND WELL-BEING
... 19 Számos, köztük nagyszámú longitudinális kutatás eredménye bizonyítja, hogy fizikai, mentális, szellemi és pszichés jóllétünkhöz egyaránt hozzájárul a hála átélése. 20 A hála rendszeres megélése növeli az élettel való elégedettséget, 21 csökkenti a negatív érzelmeket, 22 valamint csökkenti az állapotszorongást és a depressziót. 23 Watkins és munkatársai szignifikáns pozitív kapcsolatot találtak a vonásszintű hála és a szubjektív jóllét, illetve a boldogság között. ...
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