Chunk #18 — Method — Measures — Secondary outcomes — Overall mental health

Source

Slow and steady wins the race: a randomized clinical trial of acceptance and commitment therapy targeting shame in substance use disorders.

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The General Health Questionnaire-12 (α = .89; Vieweg & Hedlund, 1983) is a 12-item self-report scale designed to measure general mental health and stress that has been widely used and well validated. Higher scores indicate better general mental health.