Final answer:
In his classic study of attitude change conducted during World War II, Lewin found that women were most likely to change their attitudes if they listened to a persuasive lecture when they were part of an intact group.
Step-by-step explanation:
Kurt Lewin, a pioneering social psychologist, conducted a notable study during World War II exploring the dynamics of attitude change. In this study, he observed that the effectiveness of persuasive communication in changing attitudes was significantly influenced by the social context, particularly whether individuals were part of an intact group. An intact group refers to a cohesive social unit where individuals share a common identity or affiliation.
Lewin's findings highlighted the role of group dynamics in the process of attitude change. Women who were part of intact groups were more susceptible to attitude change when exposed to persuasive lectures. This phenomenon can be attributed to the social influence and interpersonal dynamics within the group, where shared experiences and a sense of belonging fostered a greater openness to persuasive messages.
In summary, Lewin's study underscores the significance of the social environment in shaping attitudes. The presence of an intact group enhances the impact of persuasive communication, indicating that the effectiveness of attitude change interventions is not solely dependent on the content of the message but also on the social context in which it is delivered. This insight remains relevant in understanding how group dynamics influence individual attitudes and behavior, contributing to the broader field of social psychology.