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Identifying Feigned ADHD in College Students: Comparing the Multidimensional ADHD Rating Scale to Established
Heather E Potts1, Lawrence J Lewandowski2, Benjamin J Lovett3
1Boston Children's Hospital, MA, USA.
Objective:
There is increased concern for malingering in ADHD evaluations due to presence of incentives such as accommodations and medications. Although several validity tests are available to classify malingering in non-ADHD populations, there is no test with proven effectiveness to detect feigned ADHD. This study investigated the ability of the MARS Symptom Validity Index 4 (MARS SV-index 4) and two published validity tests (the Word Memory Test [WMT] and Clinical Assessment of Attention Deficit-Adult [CAT-A] Infrequency scale) to detect malingered ADHD.
Method:
The participants consisted of 68 young adults, 34 with ADHD. Participants completed the MARS, CAT-A, and WMT validity measures.
Results:
The MARS SV index-4 demonstrated higher sensitivity rates for simulated malingering (61.8%) at close to optimal specificity (88.2%) compared to two published tests (which had sensitivity <42% at specificity >90%).
Conclusion:
The MARS shows good ability to detect feigned ADHD and appears to be useful for adult ADHD assessments.
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