What phenomenon involves a loss of self-awareness in group situations that promote anonymity?

The phenomenon that involves a loss of self-awareness in group situations that promote anonymity is deindividuation. This concept refers to a psychological state where individuals in a group lose their sense of individuality and personal responsibility. This often leads to behaviors that can be more impulsive, aggressive, or contrary to typical social norms because the anonymity provided by the group reduces self-awareness and the fear of social repercussions.

Deindividuation typically occurs in situations where group members feel anonymous, such as in crowds or when wearing uniforms, costumes, or masks. In these contexts, people may feel less accountable for their actions, which can lead to behaviors that they would not exhibit if they were alone or identifiable.

Understanding this phenomenon is essential in social psychology as it sheds light on group behavior in various contexts, such as riots, vandalism, or even online interactions, where anonymity plays a crucial role in shaping individuals' actions.