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Construct validity for the verbal associated pairs screen.

Jonathan Dodd1,2, Samantha Murphy3, Meghan Doherty4

  • 1a Department of Psychology , St. Louis Children's Hospital , St. Louis , MO , USA.

Child Neuropsychology : a Journal on Normal and Abnormal Development in Childhood and Adolescence
|October 16, 2018
PubMed
Summary
This summary is machine-generated.

The Verbal Associated Pairs Screen (VAPS) is a new tool to assess performance validity in pediatric traumatic brain injury (TBI) patients. It shows promise in identifying valid effort in TBI evaluations.

Keywords:
Pediatricbrain injuryforensicneuropsychologyperformance validity

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Area of Science:

  • Neuropsychology
  • Clinical Psychology
  • Pediatric Neurology

Background:

  • Assessing performance validity is crucial in pediatric neuropsychological evaluations, especially following traumatic brain injury (TBI).
  • Existing performance validity tests (PVTs) require validation in diverse pediatric populations, including those with TBI.
  • The Verbal Associated Pairs Screen (VAPS) is a novel measure developed for this purpose.

Purpose of the Study:

  • To introduce the Verbal Associated Pairs Screen (VAPS) as a new measure for assessing performance validity in pediatric populations.
  • To present initial psychometric data and establish construct validity for the VAPS.
  • To evaluate the VAPS's effectiveness in distinguishing between individuals with and without TBI.

Main Methods:

  • The VAPS was administered to 30 healthy adolescent controls and 206 youths with TBI (30 moderate/severe, 176 mild).
  • TBI groups received VAPS alongside established PVTs and memory tests; controls received VAPS only.
  • Convergent and divergent validity were assessed using well-validated PVTs and memory tests in the mild TBI group.

Main Results:

  • VAPS scores for moderate/severe TBI and control groups were indistinguishable on Trial 2 and Delay measures.
  • In the mild TBI group, VAPS demonstrated convergent and divergent validity with other measures.
  • Receiver Operating Characteristic (ROC) curve analysis yielded an optimal VAPS Total Score cutoff with 55% sensitivity and 100% specificity (AUC = .829).

Conclusions:

  • The VAPS shows potential as a performance validity measure in pediatric TBI evaluations.
  • The VAPS exhibits acceptable sensitivity and excellent specificity for detecting invalid performance in mild TBI.
  • Further research is warranted to explore the VAPS's clinical applications and limitations across different pediatric groups.