Clinical Validation of the Quality of Life Inventory: A Measure of Life Satisfaction for Use in Treatment Planning and Outcome Assessment

Michael B. Frisch, John Cornell, Michael Villanueva, Paul J. Retzlaff

Research output: Contribution to journalArticlepeer-review

673 Scopus citations

Abstract

This study details the psychometric evaluation of the Quality of Life Inventory (QOLI), a measure of life satisfaction that may complement symptom-oriented measures of psychological functioning in evaluating the outcome of interventions aimed at ameliorating mental disorders, disabling physical illnesses, and community-wide social problems. Test-retest coefficients for the QOLI ranged from .80 to .91, and internal consistency coefficients ranged from .77 to .89 across 3 clinical and 3 nonclinical samples. QOLI item-total correlations were found to be adequate, and the QOLI had significantly positive correlations with 7 related measures of subjective well-being, including a peer rating and clinical interview measure. Significant negative correlations were obtained between the QOLI and measures of general psychopathology, anxiety, and depression. Clinical and nonclinical criterion groups differed significantly in mean QOLI scores. QOLI norms are presented, and the usefulness of the QOLI for assessing treatment outcome and for psychotherapy treatment planning is discussed.

Original languageEnglish (US)
Pages (from-to)92-101
Number of pages10
JournalPsychological Assessment
Volume4
Issue number1
DOIs
StatePublished - Mar 1992

ASJC Scopus subject areas

  • Clinical Psychology
  • Psychiatry and Mental health

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