Final answer:
A person with traits such as thoroughness, dependability, and focus would score high in conscientiousness according to the Big 5 personality theory, which is associated with academic success.
Step-by-step explanation:
A person who is thorough, dependable, and focused scores high in the area of conscientiousness within the Big 5 trait theory of personality. The Five Factor Model of personality includes dimensions like conscientiousness, agreeableness, neuroticism, openness, and extraversion, each existing along a spectrum. Conscientiousness, in particular, is characterized by competence, self-discipline, and achievement-striving, with several studies revealing a positive correlation between this trait and academic success.