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Related Experiment Video

Updated: May 27, 2026

Development of a Virtual Reality Assessment of Everyday Living Skills

Development of a Virtual Reality Assessment of Everyday Living Skills

Published on: April 23, 2014

Are embedded validity indices equivalent to free-standing symptom validity tests?

Andrea S Miele¹, Jessica H Gunner, Julie K Lynch

¹Department of Psychology, University at Albany, State University of New York, Albany, NY 12222, USA. amiele@albany.edu

Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists

|November 10, 2011

Summary

Symptom validity tests (SVTs) are crucial in neuropsychological evaluations. While embedded validity indices offer efficiency, Reliable Digit Span, though accurate, should not replace free-standing SVTs for optimal effort assessment.

Related Experiment Videos

Last Updated: May 27, 2026

Development of a Virtual Reality Assessment of Everyday Living Skills

Development of a Virtual Reality Assessment of Everyday Living Skills

Published on: April 23, 2014

Area of Science:

Neuropsychology
Psychometrics

Background:

Symptom validity assessment is critical in neuropsychological evaluations to ensure optimal effort.
Free-standing symptom validity tests (SVTs) and embedded validity indices (EVIs) exist to measure examinee effort.
EVIs are advantageous due to time efficiency and reduced vulnerability to coaching.

Purpose of the Study:

To evaluate the diagnostic validity of 17 embedded validity indices.
To compare the performance of EVIs against combinations of free-standing SVTs.

Main Methods:

The study assessed 17 embedded validity indices within a medico-legal sample.
Performance on EVIs was compared to established free-standing SVTs.

Main Results:

Reliable Digit Span demonstrated the highest classification accuracy among the evaluated embedded validity indices.
Despite its accuracy, Reliable Digit Span's utility is limited when used alone.

Conclusions:

Embedded validity indices vary in their sensitivity and specificity for detecting suboptimal effort.
The findings do not support the standalone use of Reliable Digit Span, emphasizing the continued need for free-standing SVTs.