Final answer:
The personality trait most frequently associated with job performance in all jobs is conscientiousness.
Step-by-step explanation:
In the Five Factor Model of personality, each person possesses five main factors: openness to experience, conscientiousness, extroversion, agreeableness, and neuroticism. While some personality traits are associated with success in specific types of jobs, the trait most frequently associated with job performance in all jobs is conscientiousness. People who score high on conscientiousness tend to be hardworking, dependable, and goal-directed, which are qualities that are valued across a wide range of occupations.