Utilizing Effort and Task Difficulty Information in Evaluating Salespeople
通过实地研究销售经理的评价行为，发现存在归因偏差：努力显著影响评价，但任务难度没有可测量的效果。
Performance evaluation of salespeople is examined from an attribution perspective in a field study involving sales managers. Findings support the presence of an attribution bias. Effort significantly influenced sales managers’ evaluations, but task difficulty had no measurable effect on performance appraisal.