Chunk #4 — Methods — Measures and Instruments — Drinking outcome data

Source: Changing network support for drinking: network support project 2-year follow-up.
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Drinking data at baseline and at follow-ups were collected using the Form-90 structured interview (Miller & DelBoca, 1994). The Form-90 has good test-retest reliability, and validity for verifiable events (Tonigan, Miller & Brown, 1997).