The effects of incentivizing ADHD related non-credible responding on neuropsychological measures and performance validity tests
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Indiana University of Pennsylvania
Abstract
This study evaluated the effects of a contingent reward on college students’ ability to
feign Attention-Deficit/Hyperactivity Disorder (ADHD) on neuropsychological measures while
avoiding detection on performance validity tests (PVT). It also sought to ascertain strategies used
by college students to feign ADHD. This investigation extends previous research on malingering
by including both incentivized and unincentivized experimental groups to establish the impact of
incentivizing ADHD-related non-credible responding (NCR) on neuropsychological test
performance.
Participants were randomly assigned to a control group or one of three experimental
groups. Experimental groups included an unincentivized group and two incentivized groups,
offered either $10 on the spot or entry into a $100 raffle, both of which were conditional upon
participants’ ability to successfully feign ADHD. Participants were administered five
neuropsychological measures, three PVTs, and an ADHD self-report by an examiner blind to
participant condition. Participants were asked an open-ended question about strategies used to
feign ADHD. A total of 68 undergraduate students enrolled in an introductory psychology course
participated in this study.
Results from this study showed that an incentive did improve participants’ ability to feign
ADHD compared to no incentive; however, most participants failed to successfully feign ADHD.
Although participants were generally able to produce scores suggestive of ADHD on neuropsychological measures and an ADHD self-report, most participants failed to avoid
detection on PVTs. Participants in this study reported feigning strategies related to inattentive
behavior, fidgety behavior, and giving slow responses, which is consistent with strategies
reported in other studies, although methodological differences complicated efforts to compare
results.
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Siegel, J. A. (2019). The effects of incentivizing ADHD related non-credible responding on neuropsychological measures and performance validity tests. Retrieved from ProQuest Digital Dissertations. (AAT 13904623)