Which psychological concept emphasizes the influence of social interactions on individual behavior?

The concept that emphasizes the influence of social interactions on individual behavior is social psychology. This branch of psychology studies how people's thoughts, feelings, and behaviors are shaped by the actual, imagined, or implied presence of others. It explores a variety of topics, including conformity, group dynamics, social perception, and interpersonal relationships. These areas highlight how individuals are affected by social contexts, norms, and the behavior of those around them.

Cognitive dissonance, while related to social influences, specifically refers to the mental discomfort experienced when a person holds contradictory beliefs or values, leading to a change in attitude or behavior to resolve that discomfort. Psychoanalysis focuses primarily on unconscious motivations and conflicts, particularly from early childhood experiences, rather than the influence of social interactions. Behaviorism emphasizes observable behaviors and the ways they're shaped by environment and reinforcement, but it does not focus as extensively on social interactions like social psychology does. Thus, social psychology is the most relevant field concerning the impact of social interactions on individual behavior.