In psychology, the Asch conformity experiments or the Asch Paradigm refers to a series of studies directed by Solomon Asch studying if and how individuals yielded to or defied a majority group and the effect of such influences on beliefs and opinions.
Developed in the 1950s, the methodology remains in use by many researchers to the present day. Applications include the study of conformity effects of task importance, age, gender, and culture.
Video Asch conformity experiments
Initial conformity experiment
Method
In 1951, Solomon Asch conducted his first conformity laboratory experiments at Swarthmore College, laying the foundation for his remaining conformity studies. The experiment was published on two occasions.
Groups of eight male college students participated in a simple "perceptual" task. In reality, all but one of the participants were actors, and the true focus of the study was about how the remaining participant would react to the actors' behavior.
The actors knew the true aim of the experiment, but were introduced to the subject as other participants. Each student viewed a card with a line on it, followed by another with three lines labeled "A", "B", and "C" (See accompanying figure). One of these lines was the same as that on the first card, and the other two lines were clearly longer or shorter (i.e., a near-100% rate of correct responding was expected). Each participant was then asked to say aloud which line matched the length of that on the first card. Before the experiment, all actors were given detailed instructions on how they should respond to each trial (card presentation). They would always unanimously nominate one comparator, but on certain trials they would give the correct response and on others, an incorrect response. The group was seated such that the real participant always responded last.
Subjects completed 18 trials. On the first two trials, both the subject and the actors gave the obvious, correct answer. On the third trial, the actors would all give the same wrong answer. This wrong-responding recurred on 11 of the remaining 15 trials. It was subjects' behavior on these 12 "critical trials" that formed the aim of the study: to test how many subjects would change their answer to conform to those of the 7 actors, despite it being wrong. Subjects were interviewed after the study including being debriefed about the true purpose of the study. These post-test interviews shed valuable light on the study: both because they revealed subjects often were "just going along" and because they revealed considerable individual differences to Asch.
Solomon Asch's experiment also had a condition in which participants were tested alone with only the experimenter in the room. In total, there were 50 subjects in the experimental condition and 37 in the control condition.
Results
In the control group, with no pressure to conform to actors, the error rate on the critical stimuli was less than 1%.
In the actor condition also, the majority of participants' responses remained correct (63.2%), but a sizable minority of responses conformed to the actors' (incorrect) answer (36.8 percent). The responses revealed strong individual differences: Only 5 percent of participants were always swayed by the crowd. 25 percent of the sample consistently defied majority opinion, with the rest conforming on some trials. An examination of all critical trials in the experimental group revealed that one-third of all responses were incorrect. These incorrect responses often matched the incorrect response of the majority group (i.e., actors). Overall, 75% of participants gave at least one incorrect answer out of the 12 critical trials.
Interview responses
Participants' interview responses revealed a complex mixture of individual differences in subjects' reaction to the experimental situation, with distinct reactions linked to factors such as confidence, self-doubt, the desire to be normative, and resolving perceived confusion over the nature of the task.
Asch's report included descriptive accounts of a subject that remained "independent" and another that "yielded" following disclosure of the true nature of the experiment. The "independent" subject said that he felt happy and relieved and added, "I do not deny that at times I had the feeling: 'to go with it, I'll go along with the rest.'" (page 182) At the other end of the spectrum, one "yielding" subject (who conformed in 11 of 12 critical trials) said, "I suspected about the middle - but tried to push it out of my mind." (page 182) Asch points out that although the "yielding" subject was suspicious, he was not sufficiently confident to go against the majority.
Attitudes of independent responders
Subjects who did not conform to the majority reacted either with "confidence": they experienced conflict between their idea of the obvious answer and the group's incorrect answer, but stuck with their own answer; or were "withdrawn". These later subjects stuck with their perception, but did not experience conflict in doing so. Some participants also exhibited "doubt", responding in accordance with their perception, but questioning their own judgment while nonetheless sticking to their (correct) response, expressing this as needing to behave as they had been asked to do in the task.
Attitudes of responders conforming on one or more trials
Participants who conformed to the majority on at least 50% of trials reported reacting with what Asch called a "distortion of perception". These participants, who made up a distinct minority (only 12 subjects), expressed the belief that the actors' answers were correct, and were apparently unaware that the majority were giving incorrect answers.
Among the other participants who yielded on some trials, most expressed what Asch termed "distortion of judgment." These participants concluded after a number of trials that they must be wrongly interpreting the stimuli and that the majority must be right, leading them to answer with the majority. These individuals were characterised by low levels of confidence. The final group of participants who yielded on at least some trials exhibited a "distortion of action". These subjects reported that they knew what the correct answer was, but conformed with the majority group simply because they didn't want to seem out of step by not going along with the rest.
Maps Asch conformity experiments
Variations on the original paradigm
In subsequent research experiments, Asch explored several variations on the paradigm from his 1951 study. Retaining the use of male college students, these variations varied the size of the group (from seven to nine); the number of trials (12 trials with 7 being critical, rather than 18 with 12 being critical trials). Asch also experimented with adding a second "real" participant.
In 1955 he reported on work with 123 male students from three different universities. A second paper in 1956 also consisted of 123 male college students from three different universities,: Asch did not state if this was in fact the same sample as reported in his 1955 paper: The principal difference is that the 1956 paper includes an elaborate account of his interviews with participants. Across all these papers, Asch found the same results: participants conformed to the majority group in about one-third of all critical trials.
- Presence of a true partner
- Asch found that the presence of a "true partner" (a "real" participant or another actor told to give the correct response to each question) decreased conformity. In studies that had one actor give correct responses to the questions, only 5% of the participants continued to answer with the majority.
- Withdrawal of a partner
- Asch also examined whether the removal of a true partner partway through the experiment influenced participants' level of conformity. He found low levels of conformity during the first half of the experiment. However, once the partner left the room, the level of conformity increased dramatically.
- Majority size
- Asch also examined whether decreasing or increasing the majority size had an influence on participants' level of conformity. It was discovered that very small-size opposing groups (actors) were associated with low levels of yielding. Increasing the opposing group to two or three persons increased conformity substantially. Increases beyond three persons (e.g., four, five, six, etc.) did not further-increase conformity.
- Written responses
- Asch also varied method of participants' responding in studies where actors verbalized their responses aloud but the "real" participant responded in writing at the end of each trial. Conformity significantly decreased when shifting from public to written responses.
Interpretations
Normative influence vs. referent informational influence
The Asch conformity experiments are often interpreted as evidence for the power of conformity and normative social influence, where normative influence is the willingness to conform publicly to attain social reward and avoid social punishment. From this perspective, the results are viewed as a striking example of people publicly endorsing the group response despite knowing full well that they were endorsing an incorrect response.
In contrast, John Turner and colleagues argue that the interpretation of the Asch conformity experiments as normative influence is inconsistent with the data. They point out that post-experiment interviews revealed that participants experienced uncertainty about their own judgement during the experiments. Although the correct answer appeared obvious to the researchers, this was not necessarily the experience of participants. Moreover, subsequent research has demonstrated similar patterns of conformity where participants were anonymous and thus not subject to social punishment or reward on the basis of their responses. From this perspective, the Asch conformity experiments are viewed as evidence for the self-categorization theory account of social influence (otherwise known as the theory of referent informational influence). Here, the observed conformity is an example of depersonalization processes, whereby people expect to hold the same opinions as others in their ingroup and will often adopt those opinions.
Social comparison theory
The conformity demonstrated in Asch experiments is problematic for social comparison theory. Social comparison theory suggests that, when seeking to validate opinions and abilities, people will first turn to direct observation. If direct observation is ineffective or not available, people will then turn to comparable others for validation. In other words, social comparison theory predicts that social reality testing will arise when physical reality testing yields uncertainty. The Asch conformity experiments demonstrate that uncertainty can arise as an outcome of social reality testing. More broadly, this inconsistency has been used to support the position that the theoretical distinction between social reality testing and physical reality testing is untenable.
Selective representation in textbooks and the media
Asch's 1956 report emphasized the predominance of independence over yielding saying "the facts that were being judged were, under the circumstances, the most decisive." However, a 1990 survey of US social psychology textbooks found that most ignored independence, instead reported a misleading summary of the results as reflecting complete power of the situation to produce conformity of behavior and belief.
A 2015 survey found no change, with just 1 of 20 major texts reporting that most participant-responses defied majority opinion. No text mentioned that 95% of subjects defied the majority at least once. Nineteen of the 20 books made no mention of Asch's interview data in which many participants said they were certain all along that the actors were wrong. This portrayal of the Asch studies was suggested to fit with social psychology narratives of situationism, obedience and conformity, to the neglect of recognition of disobedience of immoral commands (e.g. disobedience shown by participants in Milgram Studies), desire for fair treatment (e.g. resistance to tyranny shown by many participants in the Stanford prison studies) and self-determination.
See also
References
Bibliography
- Asch, S. E. (1940). "Studies in the principles of judgments and attitudes: II. Determination of judgments by group and by ego-standards". Journal of Social Psychology. 12 (2): 433-465. doi:10.1080/00224545.1940.9921487.
- Asch, S. E. (1948). "The doctrine of suggestion, prestige and imitation in social psychology". Psychological Review. 55 (5): 250-276. doi:10.1037/h0057270.
- Coffin, E. E. (1941). "Some conditions of suggestion and suggestibility: A study of certain attitudinal and situational factors influencing the process of suggestion". Psychological Monographs. 53 (4).
- Lewis, H.B. (1941). "Studies in the principles of judgements and attitudes: IV. The operation of prestige suggestion". Journal of Social Psychology. 14: 229-256. doi:10.1080/00224545.1941.9921508.
- Lorge, I (1936). "Prestige, suggestion, and attitudes". Journal of Social Psychology. 7 (4): 386-402. doi:10.1080/00224545.1936.9919891.
- Miller, N.E. & Dollard, J. (1941). Social learning and imitation. New Haven, CT: Yale University Press.
- Moore, H.T. (1921). "The comparative influence of majority and expert opinion". American Journal of Psychology. 32: 16-20. doi:10.2307/1413472. JSTOR 1413472.
- Sherif, M.A. (1935). "A study of some social factors in perception". Archives of Psychology. 27: 1-60.
- Thorndike, E. L. The psychology of wants, interests, and attitudes. New York, NY: D. Appleton-Century Company, Inc.
- The Asch Experiment:Youtube video.
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