Dr. chen believes that the study of personality should focus on identifying, describing, and measuring individual differences. dr. chen probably would identify with the perspective on personality.
a. psychoanalytic
b. social-cognitive
c. genetic
d. trait

The correct answer is option D. "trait".

Explanation:

The trait perspective of personality is an approach that describes personality as a relatively stable characteristic of an individual. Similar to physical traits, this approach considers that personality is composed of dispositions and is focused on differences between individuals. Dr. Chen probably would identify with the trait perspective of personality, since Dr. Chen is focused on measuring differences between individuals personality as well.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.