Base rate of performance invalidity among non-clinical undergraduate research participants

Graham M Silk-Eglit, Jessica H Stenclik, Brandon E Gavett, Jason W Adams, Julie K Lynch, Robert J Mccaffrey

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)


Neuropsychological research frequently uses non-clinical undergraduate participants to evaluate neuropsychological tests. However, a recent study by An and colleagues (2012, Archives of Clinical Neuropsychology, 27, 849-857) called into question that the extent to which the interpretation of these participants' performance on neuropsychological tests is valid. This study found that in a sample of 36 participants, 55.6% exhibited performance invalidity at an initial session and 30.8% exhibited performance invalidity at a follow-up session. The current study attempted to replicate these findings in a larger, more representative sample using a more rigorous methodology. Archival data from 133 non-clinical undergraduate research participants were analyzed. Participants were classified as performance invalid if they failed any one PVT. In the current sample, only 2.26% of participants exhibited performance invalidity. Thus, concerns regarding insufficient effort and performance invalidity when using undergraduate research participants appear to be overstated.

Original languageEnglish
Pages (from-to)415-21
Number of pages7
JournalArchives of Clinical Neuropsychology
Issue number5
Publication statusPublished - Aug 2014
Externally publishedYes


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