Answer: Trait theory
Explanation:
We have adjectives that we use to define personality of the people that we know or those we have come acquainted with, words like ''mean" "short tempered" "polite" all these words refer to their traits.
A trait can be explained as a fairly stable characteristic which makes a person act in a particular way .
This theory is used to study people's personality .
This theory focuses more on how people differ from one another by scrutinizing different traits that each individual possesses .
These traits are determined and weighed for each individual.