Understanding personality psychology produces the benefit of being able to __________.

A) change one's core personality dimensions into an entirely different set of traits
B) understand the findings in all other hub fields related to personality psychology
C) understand one's own personality and the personality of friends and family members
D) eliminate undesirable traits from your own personality structure

Understanding personality psychology allows individuals to better understand their own personality and the personalities of people around them. This can lead to improved communication, stronger relationships, and increased empathy for others. However, it is not possible to completely change one's core personality dimensions or eliminate undesirable traits. Additionally, while understanding personality psychology may be helpful in related fields, it does not necessarily allow for complete understanding of all findings in those fields.