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<p>Intrapersonal features are a critical component of personality functioning, yet their relationship to psychopathology remains insufficiently understood, particularly among older adults. The Intrapersonal Problems Rating Scales (IPRS) is a relatively new measure within personality pathology research, originally constructed and validated for use among primarily younger adults. Preliminary evidence supports its use with older adults, but a more comprehensive psychometric evaluation is needed.&#xa0;Community-dwelling older adults (<i>N</i> = 250; 50.4% women) completed the IPRS along with the Level of Personality Functioning Scale-Brief Form 2.0 (LPFS), Brief Geriatric Suicide Ideation Scale (BGSIS), Geriatric Anxiety Scale (GAS), Geriatric Depression Scale-15 (GDS-15), Depression Anxiety Stress Scales-21 (DASS-21), Michigan Alcohol Screening Test-Geriatric Version (MAST-G), and the Insomnia Severity Index (ISI).&#xa0;Internal consistency reliability was excellent for the IPRS total score and good to excellent across IPRS domain scores (α = 0.86 to 0.95). Convergent validity was supported by moderate to large positive correlations between IPRS total scores and all criterion measures, ranging from 0.44 (IPRS with MAST-G) to 0.80 (IPRS with GAS), in expected directions.&#xa0;Findings provide strong evidence for the reliability and convergent validity of IPRS scores in older adults and support intrapersonal dysfunction as a transdiagnostic correlate of psychopathology in later life. Implications for assessment and future research are discussed.</p>

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Toward a Further Understanding of Intrapersonal Factors in Psychopathology Among Older Adults: A Psychometric Evaluation of the Intrapersonal Problems Rating Scales

  • 期刊论文

  • 发表日期：

    2026年5月26日

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  • Colleen Elaine Mock,
  • Daniel L. Segal,
  • Andrew Lac

摘要

Intrapersonal features are a critical component of personality functioning, yet their relationship to psychopathology remains insufficiently understood, particularly among older adults. The Intrapersonal Problems Rating Scales (IPRS) is a relatively new measure within personality pathology research, originally constructed and validated for use among primarily younger adults. Preliminary evidence supports its use with older adults, but a more comprehensive psychometric evaluation is needed. Community-dwelling older adults (N = 250; 50.4% women) completed the IPRS along with the Level of Personality Functioning Scale-Brief Form 2.0 (LPFS), Brief Geriatric Suicide Ideation Scale (BGSIS), Geriatric Anxiety Scale (GAS), Geriatric Depression Scale-15 (GDS-15), Depression Anxiety Stress Scales-21 (DASS-21), Michigan Alcohol Screening Test-Geriatric Version (MAST-G), and the Insomnia Severity Index (ISI). Internal consistency reliability was excellent for the IPRS total score and good to excellent across IPRS domain scores (α = 0.86 to 0.95). Convergent validity was supported by moderate to large positive correlations between IPRS total scores and all criterion measures, ranging from 0.44 (IPRS with MAST-G) to 0.80 (IPRS with GAS), in expected directions. Findings provide strong evidence for the reliability and convergent validity of IPRS scores in older adults and support intrapersonal dysfunction as a transdiagnostic correlate of psychopathology in later life. Implications for assessment and future research are discussed.