Answer:
trait
Explanation:
Trait approach: The trait approach studies the personality of a person that focuses on the trait of a person which is believed to be the key role in the development of the personality of the person. Trait demonstrates the pattern of behavior and thought is supposed to get stabilizes with time. It causes a person to behave in specific ways.
Example: Self- confidence, intelligence, and determination etc.
In the question above, the psychologist is utilizing the trait approach.