A Study of 200 College Students (Wolfe & Johnson) Examined

A study of 200 college students (Wolfe & Johnson) examined the extent to which high school grades, SAT scores, and 32 different personality variables could predict students' grades in college. This study found that

A) high self-esteem and competence (good high school grades and high SAT scores) were the best predictors of college grades.
B) a number of the 32 personality variables, such as self-esteem, extroversion, self-control, and openness predicted college grades.
C) high school grades and SAT scores were not good predictors of college grades.
D) high school grades was the top predictor and self-control was the second best predictor of college grades.