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Am J Psychol. 1993 Winter;106(4):499-521.

Method of recruiting subjects and performance on cognitive tests.

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Department of Psychology, University of Alabama, Tuscaloosa 35487-0348.


College students often serve as participants in psychological research. The effects of three methods of recruiting subjects for laboratory tests of attention and memory were assessed in a series of studies. The performance of students who received monetary incentives and the performance of students who received course-credit incentives were compared with the performance of students recruited from classes where research participation was a requirement. Monetary incentives resulted in slight, but significant, improvements in performance on tests of sustained attention and recognition memory. Course-credit incentives did not affect subjects' test performance. Test performance did not differ as a function of the time of the semester when studies were conducted. Recruitment issues pertinent to departmental subject pools are discussed.

[Indexed for MEDLINE]

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