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This field study examined two alternative explanations for recruitment source effects which have been consistently reported in previous studies. For this sample of 98 social service workers, the ‘ realism’ explanation for source differences received more empirical support than the ‘ individual difference ’ explanation. Employee referrals were found to have more realistic expectations than individuals who responded to newspaper ads or directly applied to the organization. In addition, recruitment source was found to be related to employee performance and involuntary turnover. The authors suggest an, as yet, unexamined individual difference variable (motivation) as a possible explanation for the unexpected performance findings.
Breaugh et al. (Sat,) studied this question.