Which psychological phenomenon describes a situation where people are less likely to take action when in groups?

• A. Groupthink
• B. Diffusion of Responsibility
• C. Social Facilitation
• D. Bystander Effect

Answer: (B)

The phenomenon where individuals are less likely to take action when they are in a group setting is best described by diffusion of responsibility. This concept explains that in a group, people may feel less compelled to act because they assume someone else will take responsibility for addressing the situation. When multiple individuals are present, the sense of individual accountability diminishes, which can lead to hesitation or inaction during emergencies or critical moments.

Understanding diffusion of responsibility is crucial in various contexts, such as emergency response or social activism, where collective inertia may prevent individuals from stepping forward. This idea contrasts sharply with phenomena like the bystander effect, which specifically relates to situations where witnesses do not intervene in an emergency. Although the two ideas are closely related, diffusion of responsibility highlights the general reduction of personal accountability in group settings.

The other concepts mentioned, such as groupthink and social facilitation, pertain to different aspects of group dynamics. Groupthink refers to the tendency of group members to prioritize harmony and consensus over critical evaluation of decisions, while social facilitation deals with how individuals perform better on tasks in the presence of others. Thus, diffusion of responsibility accurately captures the essence of inaction within groups.