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Providing a brief corrective statement does not improve test performance in patients invalidating testing: A

Jeroen J Roor1,2, Brechje Dandachi-FitzGerald3,4, Maarten J V Peters4

  • 1Department of Medical Psychology, VieCuri Medical Center, Venlo, the Netherlands.

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|July 26, 2024
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Summary
This summary is machine-generated.

A brief corrective statement did not improve test-taking behavior in patients who failed performance validity tests (PVTs). This suggests limited value in such interventions for enhancing neuropsychological assessment accuracy.

Keywords:
Performance validitycorrective statementfeedbackneuropsychological assessmentrandomised controlled trial

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Area of Science:

  • Neuropsychology
  • Clinical Psychology
  • Psychometrics

Background:

  • Performance validity tests (PVTs) identify suboptimal effort during neuropsychological assessments.
  • PVT failure can compromise the reliability and validity of assessment findings.
  • Improving test-taking behavior is crucial for accurate diagnostic evaluations.

Purpose of the Study:

  • To investigate if a brief, in-session corrective statement can improve performance in individuals failing PVTs.
  • To determine the impact of corrective statements on subsequent cognitive test performance and repeated PVT scores.

Main Methods:

  • A multisite, single-blind randomized controlled trial involving 196 adult patients.
  • Patients failing an initial PVT were randomized into a corrective statement (CS) group or a no-corrective statement (NO-CS) group.
  • Both groups underwent repeated and newly administered cognitive and PVT measures.

Main Results:

  • No significant differences in repeated or newly administered PVTs and cognitive tests between the CS and NO-CS groups.
  • Participants who initially failed PVTs showed less benefit from repeated testing compared to those who passed.
  • A brief corrective statement did not enhance performance validity or cognitive scores.

Conclusions:

  • A brief, within-session corrective statement is ineffective in improving test-taking behavior after PVT failure.
  • Current findings suggest limited utility of simple verbal feedback for addressing invalid performance.
  • Further research is needed to develop effective strategies for enhancing patient effort and ensuring assessment validity.