As a student majoring in psychology, Hannah is interested in how we form impressions of other people, how we interpret the meaning of other people's behavior, and how our behavior is affected by our attitudes. Hannah's interest most closely resembles an area of social psychology called:.

social cognition

Explanation:

Social cognition is an area of social psychology that studies how individuals interact with each other in the society based on how they process information, and make meanings out of such information that is being processed.

The interest of Hannah as listed in the question given above, clearly depicts cognitive processes that people engage in during social interaction. Therefore, we can infer that Hannah's interest is in line with the area of social psychology called social cognition.