The correct answer is option 3, which is idiogrophic approach. The professor using personal narratives to assess students' personalities is employing an idiographic approach, emphasizing the individual's unique experiences and personal story.
When a professor asks students to write a personal narrative about their college experiences to assess their personalities, he is using an idiographic approach to personality assessment.
This approach focuses on the individuality of the person, taking into account personal experiences and unique life stories.
It contrasts with the nomothetic approach, which seeks general laws that can be applied to all people, and the trait approach, which focuses on measuring personality traits that are believed to be consistent and enduring in individuals.
The idiographic approach emphasizes the uniqueness of an individual's personality and how it is expressed in different contexts, like their personal narrative about college life.