Final answer:
The subject of this question is Social Studies. The bystander effect, which is the diffusion of responsibility in emergency situations or violation of social norms, is an important topic in social psychology.
Step-by-step explanation:
The subject of this question is Social Studies. The bystander effect, which is the diffusion of responsibility in emergency situations or violation of social norms, is an important topic in social psychology. It highlights the impact of social influence on bystander behavior and the inhibition of response in the presence of others. The effect illustrates the combined influence of diffusion of responsibility and inhibition in bystander situations.