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Evaluating Personality Assessment Inventory Response Patterns in Active-Duty Personnel With Head Injury Using a Latent Class Approach

Evaluating Personality Assessment Inventory Response Patterns in Active-Duty Personnel With Head... ObjectivePrevious research has found that among those with brain injury, individuals have a variety of different potential symptom sets, which will be seen on the Personality Assessment Inventory (PAI). The number of different groups and what they measure have varied depending on the study.MethodIn active-duty personnel with a remote history of mild traumatic brain injury (n = 384) who were evaluated at a neuropsychology clinic, we used a retrospective database to examine if there are different groups of individuals who have distinct sets of symptoms as measured on the PAI. We examined the potential of distinct groups of respondents by conducting a latent class analysis of the clinical scales. Post hoc testing of group structures was conducted on concurrently administered cognitive testing, performance validity tests, and the PAI subscales.ResultsFindings indicate a pattern of broad symptom severity as the most probable reason for multiple groups of respondents, suggesting that there are no distinct symptom sets observed within this population. Pathology levels were the most elevated on internalizing and thought disorder scales across the various class solutions.ConclusionFindings indicate that among active-duty service members with remote brain injury, there are no distinct groups of respondents with different sets of symptom types as has been found in prior work with other neuropsychology samples. We conclude that the groups found are likely a function of general psychopathology present in the population/sample rather than bona fide differences. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Clinical Neuropsychology Oxford University Press

Evaluating Personality Assessment Inventory Response Patterns in Active-Duty Personnel With Head Injury Using a Latent Class Approach

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References (64)

Publisher
Oxford University Press
Copyright
Published by Oxford University Press 2023.
ISSN
0887-6177
eISSN
1873-5843
DOI
10.1093/arclin/acac113
Publisher site
See Article on Publisher Site

Abstract

ObjectivePrevious research has found that among those with brain injury, individuals have a variety of different potential symptom sets, which will be seen on the Personality Assessment Inventory (PAI). The number of different groups and what they measure have varied depending on the study.MethodIn active-duty personnel with a remote history of mild traumatic brain injury (n = 384) who were evaluated at a neuropsychology clinic, we used a retrospective database to examine if there are different groups of individuals who have distinct sets of symptoms as measured on the PAI. We examined the potential of distinct groups of respondents by conducting a latent class analysis of the clinical scales. Post hoc testing of group structures was conducted on concurrently administered cognitive testing, performance validity tests, and the PAI subscales.ResultsFindings indicate a pattern of broad symptom severity as the most probable reason for multiple groups of respondents, suggesting that there are no distinct symptom sets observed within this population. Pathology levels were the most elevated on internalizing and thought disorder scales across the various class solutions.ConclusionFindings indicate that among active-duty service members with remote brain injury, there are no distinct groups of respondents with different sets of symptom types as has been found in prior work with other neuropsychology samples. We conclude that the groups found are likely a function of general psychopathology present in the population/sample rather than bona fide differences.

Journal

Archives of Clinical NeuropsychologyOxford University Press

Published: Jan 16, 2023

Keywords: PAI; Assessment; Military; TBI; Latent class analysis

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