题目选项分析

A researcher studying corporate executives found that they tend to have "take charge" personalities, with the predominant traits of assertiveness, decisiveness, and self-confidence. The researcher concluded that people who are more "take charge" than the average person are more likely to become corporate executives.

Which of the following, if true, most seriously weakens the researcher`s conclusion?

【选项】The executives that the researcher studied were often unsuccessful when they tried to manage their family activities as they do their business activities.