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Spanking and Child Outcomes: Old Controversies and New Meta-Analyses

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Abstract

Whether spanking is helpful or harmful to children continues to be the source of considerable debate among both researchers and the public. This article addresses 2 persistent issues, namely whether effect sizes for spanking are distinct from those for physical abuse, and whether effect sizes for spanking are robust to study design differences. Meta-analyses focused specifically on spanking were conducted on a total of 111 unique effect sizes representing 160,927 children. Thirteen of 17 mean effect sizes were significantly different from zero and all indicated a link between spanking and increased risk for detrimental child outcomes. Effect sizes did not substantially differ between spanking and physical abuse or by study design characteristics.
Spanking and Child Outcomes: Old Controversies and New Meta-Analyses
Elizabeth T. Gershoff
University of Texas at Austin
Andrew Grogan-Kaylor
University of Michigan
Whether spanking is helpful or harmful to children continues to be the source of considerable debate
among both researchers and the public. This article addresses 2 persistent issues, namely whether effect
sizes for spanking are distinct from those for physical abuse, and whether effect sizes for spanking are
robust to study design differences. Meta-analyses focused specifically on spanking were conducted on a
total of 111 unique effect sizes representing 160,927 children. Thirteen of 17 mean effect sizes were
significantly different from zero and all indicated a link between spanking and increased risk for
detrimental child outcomes. Effect sizes did not substantially differ between spanking and physical abuse
or by study design characteristics.
Keywords: spanking, physical punishment, discipline, meta-analysis
Around the world, most children (80%) are spanked or other-
wise physically punished by their parents (UNICEF, 2014). The
question of whether parents should spank their children to correct
misbehaviors sits at a nexus of arguments from ethical, religious,
and human rights perspectives both in the U.S. and around the
world (Gershoff, 2013). Several hundred studies have been con-
ducted on the associations between parents’ use of spanking or
physical punishment and children’s behavioral, emotional, cogni-
tive, and physical outcomes, making spanking one of the most
studied aspects of parenting. What has been learned from these
hundreds of studies? Several efforts have been made to synthesize
this large body of research, first in narrative form (Becker, 1964;
Larzelere, 1996;Steinmetz, 1979;Straus, 2001) and later through
meta-analyses (Ferguson, 2013;Gershoff, 2002;Larzelere &
Kuhn, 2005;Paolucci & Violato, 2004). Each of these four meta-
analyses included a different set of articles and came to varied
conclusions, namely that physical punishment is largely ineffective
and harmful (Gershoff, 2002), that physical punishment is effec-
tive under certain circumstances (Larzelere & Kuhn, 2005), and
that physical punishment is linked with children’s cognitive, emo-
tional, and behavioral problems but only modestly (Ferguson,
2013;Paolucci & Violato, 2004). These competing conclusions
have left both social science researchers and the public at large
confused about what outcomes can and cannot be attributed to
spanking.
As this body of work on spanking and physical punishment has
accumulated, several nagging questions about the quality, consis-
tency, and generalizability of the research have persisted. Two
primary concerns that have been raised about past meta-analyses
are that spanking has been confounded with potentially abusive
parenting behaviors in some studies and that spanking has only
been linked with detrimental outcomes in methodologically weak
studies (Baumrind, Larzelere, & Cowan, 2002;Ferguson, 2013;
Larzelere & Kuhn, 2005). The goal of the current article is to
address these two concerns with a new set of meta-analyses using
the most recent research studies to date. Because the social science
theories regarding why spanking might be linked with child out-
comes have been summarized extensively elsewhere (Donnelly &
Straus, 2005;Gershoff, 2002), we will not repeat them here and
instead will focus in this paper on key questions about the research
conducted to date.
The terms “corporal punishment,” “physical punishment,” and
“spanking” are largely synonymous in American culture. The
majority of the studies discussed in our literature review use the
term physical punishment which we define as noninjurious, open-
handed hitting with the intention of modifying child behavior.In
our meta-analyses, however, we focused on the most common
form of physical punishment which is known in the U.S. as
spanking, and which we define as hitting a child on their buttocks
or extremities using an open hand.
Previous Meta-Analyses of Physical Punishment
and Spanking
The question of whether parents’ use of spanking or physical
punishment is linked with children’s outcomes has been ad-
dressed in four published meta-analyses in the last 15 years.
The first and most widely cited of the meta-analyses was by
Gershoff (2002). This review included 88 studies used in sep-
arate meta-analyses of the associations between parents’ use of
physical punishment and 11 child outcomes, four of which were
measured in adulthood. Physical punishment was defined as
This article was published Online First April 7, 2016.
Elizabeth T. Gershoff, Department of Human Development and Family
Sciences, University of Texas at Austin; Andrew Grogan-Kaylor, School
of Social Work, University of Michigan.
We thank our research assistants: Megan Gilster, Jacqueline Hoagland,
and Julie Ma.
Correspondence concerning this article should be addressed to Elizabeth
T. Gershoff, Department of Human Development and Family Sciences,
University of Texas at Austin, 108 E. Dean Keeton St., Stop A2702,
Austin, TX 78712. E-mail: liz.gershoff@austin.utexas.edu
This document is copyrighted by the American Psychological Association or one of its allied publishers.
This article is intended solely for the personal use of the individual user and is not to be disseminated broadly.
Journal of Family Psychology © 2016 American Psychological Association
2016, Vol. 30, No. 4, 453–469 0893-3200/16/$12.00 http://dx.doi.org/10.1037/fam0000191
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... Various studies have determined that as many as 92% of children in Botswana receive some kind of corporal punishment in community settings, such as school, and this is considered an acceptable and effective method of discipline [1][2]. In contrast, the United States and a number of other Western countries consider physical punishment abusive due to its long-term potential for psychological harm [4][5]. Research has shown that physical punishment is associated with increased risks for posttraumatic stress disorder (PTSD), anxiety, depression, and personality disorder [6][7]. ...
... The psychological outcomes of corporal punishment have been widely examined. For example, one 2016 meta-analysis of 75 studies involving more than 160,000 children demonstrated that spanking was associated with increased externalizing behaviors and reduced mental health outcomes [4]. However, there are still gaps in understanding how such findings apply to individuals from non-Western backgrounds where corporal punishment may carry different cultural connotations [12][13]. ...
... However, these disciplinary actions have become increasingly acknowledged as being truly harmful psychologically. Meta-analyses of more than 160,000 children reported that corporal punishment is associated with a 54% increased risk of externalizing behaviors as well as increased risks for PTSD, depression, and anxiety [4][5]. Migration exacerbated the psychological effects of the patient's childhood experiences. ...
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... In contrast, minor physical discipline was useful in reducing child non-compliance, as an alternative back-up strategy to milder disciplinary methods like time-out and reasoning (Larzelere & Kuhn, 2005). Nevertheless, a meta-analysis focusing specifically on spanking, a relatively minor form of physical discipline, showed that there were still significant negative effects of spanking on child outcomes (Gershoff & Grogan-Kaylor, 2016). Despite the divergent perspectives and mixed findings, the existing literature underscores the importance to discriminate between minor and severe forms of physical discipline. ...
... They have advocated for its prohibition because it is detrimental and constitutes an infringement of human rights (Kyei-Gyamfi 2011;UNICEF 1989UNICEF , 2018WHO 2021). Some others have also questioned whether using physical punishment on children serves a purpose in functioning as a corrective method for reforming children who have engaged in inappropriate behaviour (Gershoff 2002;Gershoff et al. 2018;Gershoff and Grogan-Kaylor 2016;WHO 2021). In addition, some advocated for children's welfare, that while physical punishment may temporarily solve a behavioural problem, it may hurt children psychologically or encourage violence in the future (Committee on Psychosocial Aspects of Child and Family Health 1998). ...
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... According to the American Psychological Association (APA) (2019), children who experience corporal punishment are more likely to develop aggressive behavior, antisocial tendencies, and mental health issues such as anxiety and depression. In the same vein, Gershoff & Grogan-Kaylor (2016) assert that physical punishment correlates with poorer academic performance, lower cognitive development, and decreased classroom engagement. Beyond immediate psychological and physical harm, corporal punishment is said to undermine student-teacher relationships, creating an environment of fear rather than respect. ...
... Beyond immediate psychological and physical harm, corporal punishment is said to undermine student-teacher relationships, creating an environment of fear rather than respect. According to Gershoff & Grogan-Kaylor (2016), the punitive nature of corporal punishment fosters resentment and distrust, making students less likely to participate in classroom activities. This negative classroom climate not only affects students' academic progress but also limits their ability to form positive peer relationships and develop problem-solving skills (Nasongo & Injendi (2025)). ...
... Empirical research has consistently highlighted that physical punishment does not lead to long-term positive behavior changes but contributes to various adverse outcomes. According to Gershoff & Grogan-Kaylor (2016), corporal punishment is strongly associated with increased aggression, antisocial behavior, emotional distress, and academic underachievement. Similarly, Skiba et al. (2011) argue that punitive disciplinary measures foster hostility, resentment, and fear among students, ultimately leading to a counterproductive learning environment. ...
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