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Arch Clin Neuropsychol. 2014 Aug;29(5):415-21. doi: 10.1093/arclin/acu028.

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

Author information

1
Department of Psychology, University at Albany, State University of New York, Albany, NY, USA grahammse@gmail.com.
2
Department of Psychology, University at Albany, State University of New York, Albany, NY, USA.
3
Department of Psychology, University of Colorado Colorado Springs, Colorado Springs, CO, USA.
4
Albany Neuropsychological Associates, Albany, NY, USA.
5
Department of Psychology, University at Albany, State University of New York, Albany, NY, USA Albany Neuropsychological Associates, Albany, NY, USA.

Abstract

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.

KEYWORDS:

Malingering; Symptom validity testing

PMID:
25034265
DOI:
10.1093/arclin/acu028
[Indexed for MEDLINE]

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