Which of the Following Statements About How Personal Characteristics Can

Which of the following statements about how personal characteristics can be used as predictors of sales performance success is true?

A) Some personal variables such as personal history,family background,current marital status and vocational skills are related to differences in performance among salespeople
B) Sex is an important factor for explaining the differences in performance across salespeople
C) Sales aptitude and self-esteem explain the largest portion of the variance in performance across salespeople
D) Physical appearance is a strong predictor of whether a candidate for a sales job will be a successful salesperson
E) Marital status,family status and financial status cannot be used as predictors of an individual's success in a sales job