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How to Change Behavior

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Abstract

I have been doing experiments in social psychology for about 30 years—basic research, mostly in the laboratory, trying to figure out how to influence people, what motivates people to change under controlled laboratory conditions. My early experience convinced me that, in doing laboratory experiments, the most important difference between a successful experiment and an unsuccessful experiment is the attention to detail. The details of the experiment are extremely important. The way one creates an independent variable, the way one measures the dependent variable, the construction of a sensible scenario that engages the subject—the details are extraordinarily important.

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... At times, it may appear that the evidence refutes the utility of social marketing attempts, because we find that such campaigns may be inefficient or even backfire. This conclusion would be an overgeneralization, however, because most of the problems arise primarily in the campaigns that are not at all informed by the relevant theory and evidence (Aronson, 1991). When armed with the relevant theory and evidence, public information and social marketing campaigns aimed at lifestyle change should be quite successful. ...
... For instance, people may know that use of a condom will cut the risk of sexually transmitted disease, but at the same time fear a sense of hassle and awkwardness. People high in ambivalence toward an issue (such as a risky behavior) carefully scrutinize any relevant information (Bell, Esses, & Maio, 1996;Jonas, Diehl, & Bromer, 1997), identify flaws in any messages that are overly simplistic (e.g., "just say no"; see Aronson, 1991), and may form more negative attitudes toward recommended behaviors. For instance, in the United Kingdom, a series of studies have demonstrated this type of backfire when antiracism messages were presented to people who were highly ambivalent toward ethnic minority groups (Maio, Haddock, Watt, & Hewstone, in press). ...
... Such examples reinforce a long-standing argument that it is very important to understand the attitudes and interpretations of target audiences prior to the design of well-meaning message interventions (Fishbein & Ajzen, 1981). The development of messages aimed at behavior change should not be based on so-called common sense, but on social psychological theory and evidence, combined with pretesting (Aronson, 1991). Several theories and research findings can help address this issue, as we describe below. ...
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• Hypotheses concerning the effects of desegregation on prejudice, self-esteem, and achievement were derived from testimony given by social scientists in Brown v. Board of Education. The author explains evidence concerning these hypotheses from published studies of the effects of school desegregation on prejudice and on Black students' achievement, and studies using questionnaire measures of self-esteem to compare segregated Blacks and Whites. It is tentatively concluded that (a) desegregation generally does not reduce the prejudices of Whites toward Blacks, (b) the self-esteem of Blacks rarely increases in desegregated schools, (c) the achievement level of Blacks sometimes increases and rarely decreases in desegregated schools, and (d) desegregation leads to increases in Black prejudice toward Whites about as frequently as it leads to decreases. These conclusions should be regarded as tentative because (a) most of the studies have investigated only the short-term effects of desegregation, (b) the extent and type of desegregation varied greatly, (c) the studies were done in different regions with children who differed in age, (d) the studies often employed noncomparable measures of each variable, and (e) social class and IQ were typically not included as control variables. (132 ref) (PsycINFO Database Record (c) 2016 APA, all rights reserved) • Hypotheses concerning the effects of desegregation on prejudice, self-esteem, and achievement were derived from testimony given by social scientists in Brown v. Board of Education. The author explains evidence concerning these hypotheses from published studies of the effects of school desegregation on prejudice and on Black students' achievement, and studies using questionnaire measures of self-esteem to compare segregated Blacks and Whites. It is tentatively concluded that (a) desegregation generally does not reduce the prejudices of Whites toward Blacks, (b) the self-esteem of Blacks rarely increases in desegregated schools, (c) the achievement level of Blacks sometimes increases and rarely decreases in desegregated schools, and (d) desegregation leads to increases in Black prejudice toward Whites about as frequently as it leads to decreases. These conclusions should be regarded as tentative because (a) most of the studies have investigated only the short-term effects of desegregation, (b) the extent and type of desegregation varied greatly, (c) the studies were done in different regions with children who differed in age, (d) the studies often employed noncomparable measures of each variable, and (e) social class and IQ were typically not included as control variables. (132 ref) (PsycINFO Database Record (c) 2016 APA, all rights reserved)
The jigsaw classroom
  • E Aronson
  • W Stephan
  • J Sikes
  • N Blaney
  • M Snapp