Why Haven't Personality Psychologists Combined All Paradigms into "One Big

Multiple Choice

Why haven't personality psychologists combined all paradigms into "One Big Theory"?

A) A theory that tries to explain everything would probably not provide the best explanation for any one thing.
B) The manageability of research programs would be lost.
C) The different basic approaches to psychology address the same sets of questions.
D) Applying principles of associationism helps reduce negative behaviors, making the cognitive approach the best one.