Holly is a highly motivated professional who likes to take on new tasks and makes certain that everything she does is done to perfection. in which two of the big five personality traits would holly most likely score high?

Openness and conscientiousness.

The five-factor model (FFM) is a taxonomy for personality traits. The five factors it includes are: openness, conscientiousness, extraversion, agreeableness and neuroticism (often represented by the acronym OCEAN).

In this case, the fact that Holly likes to try new tasks reflects openness, which is defined by curiosity, and preference for novelty and variety of experience.

Also, because she tries to do everything to perfection, she would probably score high in conscientiousness. Conscientiousness is the tendency to be organized and dependable. It is characterized by self-discipline and planned, rather than spontaneous, behaviour.