Question

A person does not "have" or "not have" a personality trait but instead can possess varying amounts of it. this is because personality traits reflect ____________________ rather than distinct personality types.

Answer 1

I believe the answer is: Stable characteristics

Stable characteristics is formed by the combination of various characteristics that would determine the overall behavior of a person.
These combinations are formed over a long period of time, but could be changed if the person are willing to make the effort for it.