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An Experimental Analysis of Children's Ability to Provide a False Report about a Crime

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Screening for feigning in a civil forensic setting.

Yvonne R Alwes¹, Jessica A Clark, David T R Berry

¹University of Kentucky, Lexington, KY 40506-0044, USA.

Journal of Clinical and Experimental Neuropsychology

|October 22, 2008

Summary

This summary is machine-generated.

The Structured Inventory of Malingered Symptoms (SIMS) and Miller Forensic Assessment of Symptoms Test (M-FAST) effectively screen for feigned psychiatric symptoms. However, their use for detecting feigned neurocognitive symptoms requires caution.

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Area of Science:

Neuropsychology
Forensic Psychology
Psychopathology

Background:

Malingering assessment is crucial in legal and compensation evaluations.
Distinguishing genuine symptoms from feigned ones presents diagnostic challenges.
Validated screening tools are needed for psychiatric and neurocognitive symptom assessment.

Purpose of the Study:

To compare the efficacy of the Structured Inventory of Malingered Symptoms (SIMS) and the Miller Forensic Assessment of Symptoms Test (M-FAST) in identifying feigned symptoms.
To evaluate the performance of SIMS and M-FAST in distinguishing between probable feigning and honest participants in forensic evaluations.
To assess the utility of these instruments for screening feigned psychiatric versus neurocognitive symptoms.

Main Methods:

A sample of 308 individuals undergoing neuropsychiatric evaluations for legal claims participated.
Participants were categorized into probable feigning or honest groups using independent, validated procedures.
The diagnostic accuracy of SIMS and M-FAST was analyzed for both psychiatric and neurocognitive symptom feigning.

Main Results:

Both SIMS and M-FAST demonstrated statistically significant ability to discriminate between feigning and honest groups.
Both instruments exhibited high sensitivity and negative predictive power for screening probable psychiatric feigning.
Neither SIMS nor M-FAST showed comparable effectiveness in identifying probable neurocognitive feigning.

Conclusions:

SIMS and M-FAST are effective screening tools for feigned psychiatric symptoms in forensic evaluations.
Caution is advised when using SIMS and M-FAST to screen for feigned neurocognitive symptoms.
Further research is needed to improve the detection of malingered neurocognitive disorders.