Which is the least understood and most debated factor?

Question

Quizplus · Accepted Answer

Openness-to-Experience is considered the least understood and most debated factor in the Five Factor Model of Personality. This is because it encompasses a broad range of traits such as imagination, creativity, and intellectual curiosity, which can be difficult to measure and define. Additionally, there is ongoing debate about whether openness is best conceptualized as a single trait or multiple facets.

Which Is the Least Understood and Most Debated Factor