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The work and social adjustment scale: reliability, sensitivity and value.

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Summary

The Work and Social Adjustment Scale (WSAS) reliably measures distinct social functioning and is sensitive to treatment effects. It shows potential as a valuable addition to existing mental health outcome measures like the PHQ-9 and GAD-7.

Keywords:
AnxietyDepressionIAPTSocial adjustmentWSAS

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Area of Science:

  • Psychometric evaluation of mental health outcome measures.
  • Clinical psychology and therapy outcome research.

Background:

  • The Improving Access to Psychological Therapy (IAPT) programme requires robust outcome measures.
  • Limited research exists on the psychometric properties of the Work and Social Adjustment Scale (WSAS).
  • Assessing the WSAS alongside the Patient Health Questionnaire-9 (PHQ-9) and Generalized Anxiety Disorder-7 (GAD-7) is needed.

Purpose of the Study:

  • To evaluate the psychometric properties of the WSAS for the IAPT programme.
  • To determine if the WSAS measures a factor distinct from the PHQ-9 and GAD-7.
  • To assess the WSAS's value as an additional outcome measure.

Main Methods:

  • Reliability and responsiveness to change were assessed using data from 4,835 patients.
  • Principal components analysis was employed to differentiate the WSAS from the PHQ-9 and GAD-7.
  • Statistical analysis of patient data from a large-scale psychological therapy program.

Main Results:

  • The WSAS demonstrates high internal reliability.
  • The WSAS is sensitive to treatment effects in patients undergoing psychological therapy.
  • Principal components analysis confirmed the WSAS measures a distinct social functioning factor.

Conclusions:

  • The WSAS exhibits comparable reliability and sensitivity to the PHQ-9 and GAD-7.
  • The WSAS measures a unique social functioning component.
  • The WSAS holds potential as a valuable supplementary outcome measure in psychological therapy programs.