题目选项分析

A company' s personnel director surveyed employees about their satisfaction with the company's system for awarding employee performance ratings. The survey data indicated that employees who received high ratings were very satisfied with the system. The personnel director concluded from these data that the company's best-performing employees liked the system.

The personnel director's conclusion assumes which of the following?

【选项】The company' s best-performing employees were motivated to perform well by the knowledge that they would receive performance ratings.