Diane is interested in whether women with nurturing personalities are more reliable friends both inside and outside the workplace. Rebecca is interested in the hypothesis that women tend to be more nurturing outside the workplace because others expect them to be nurturing. It is likely that Diane is a psychologist and Rebecca is a psychologist.

Personality; social.

Explanation:

In this scenario, Diane is interested in whether women with nurturing personalities are more reliable friends both inside and outside the workplace. Rebecca is interested in the hypothesis that women tend to be more nurturing outside the workplace because others expect them to be nurturing. It is likely that Diane is a personality psychologist and Rebecca is a social psychologist.

A personality psychologist is more interested in studying how an individual's personality develops and its influence on their way of thinking and behavior in and outside their environment i.e irrespective of the presence of other people or factors.

On the other hand, a social psychologist is interested in studying how an individual's personality, thoughts, attitude, emotions and behavior influences and are influenced by others in a social group such as workplace, marketplace, church etc.