Research article summary (published 30 Jan 2000):

Development and validation of the Validity Indicator Profile.

Full Abstract

The Validity Indicator Profile (VIP; Frederick, 1997) is a two-alternative forced choice (2AFC) procedure intended to identify when the results of cognitive and neuropsychological testing may be invalid because of malingering or other problematic response styles. The test consists of 100 problems that assess nonverbal abstraction capacity and 78 word-definition problems. The VIP attempts to establish whether an individual's performance in an assessment battery should be considered representative of his or her true overall capacities (valid or invalid). Performances classified as valid are classified as "compliant" and reflect a high effort to respond correctly. Performances classified as invalid are subclassified as "careless" (low effort to respond correctly), "irrelevant" (low effort to respond incorrectly), or "malingering" (high effort to respond incorrectly). The VIP development sample included 944 nonclinical participants and 104 adults undergoing neuropsychological evaluation. The cross-validation sample consisted of 152 nonclinical participants, 61 brain-injured adults, 49 individuals considered to be at risk for malingering, and 100 randomly generated VIP protocols. The nonverbal subtest of the VIP demonstrated an overall classification rate of 79.8%, with 73.5% sensitivity and 85.7% specificity. The verbal subtest of the VIP demonstrated an overall classification rate of 75.5%, with 67.3% sensitivity and 83.1% specificity.

Author information

Author/s: Frederick, R I (RI); Crosby, R D (RD);

Affiliation: Department of Psychology, U.S. Medical Center for Federal Prisoners, Springfield, Missouri 65807, USA. rfrederi(-atsign-)ipa.net

Journal and publication information

Publication Type: Journal Article

Journal: Law and human behavior (Law Hum Behav), published in UNITED STATES. (Language: eng)

Reference: 2000-Feb; vol 24 (issue 1) : pp 59-82

Dates: Created 2000/03/29; Completed 2000/03/29; Revised 2004/11/17;

PMID: 10693319, status: MEDLINE (last retrieved date: 2/18/2009)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MeSH Headings (categories) shown below.

Adolescent Adult Aged Brain Injuries - diagnosis Diagnosis, Differential Female Humans Male

Male Malingering - diagnosis; psychology Middle Aged Neuropsychological Tests Psychometrics - methods Reproducibility of Results Sensitivity and Specificity United States

Note: Bold headings indicate primary MeSH headings or qualifiers.

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