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The effects of realistic job previews (RJPs) were studied with a sample of 842 candidates for telephone service representative. Two types of preview, a film and job visit, were used. Results showed no significant differences between RJP candidates and control candidates with respect to job acceptance, met expectations, job commitment and turnover. Because the findings were at variance with the conclusions of previous RJP research the data from previous studies were reexamined. Based on pooled data from eleven studies the average effect of RJPs on turnover rate was estimated as six percentage points overall. Neither the type of media used nor the length of time turnover is studied appears to interact with RJP effectiveness. RJPs appear to be more effective with more complex jobs, however. Explanations of RJP effects on turnover have not been consistently supported. Though data are limited, self‐selection, met expectations and coping ability do not appear to be impacted by RJPs. There is some evidence that RJPs result in more positive job related attitudes, but the explanation for this is not clear. Difficulties in interpreting job preview research are noted, including insufficient statistical power, differences in organizational roles and the lack of a clear operational definition of realism.
Reilly et al. (Tue,) studied this question.