Heatherton, TF and Polivy, J (1991) Appearance question. Outcomes measurement tool: personal circumstances & needs – appearance.

Martin, Garth W (1991) Drug avoidance self-efficacy scale (DASES). Outcomes measurement tool: attitudes & feelings - self-efficacy.

Torrealday, O and Stein, LAR and Barnett, N and Golembeske, C and Lebeau, R and Colby, SM and Monti, M (1991) Marijuana Effect Expectancy Questionnaire-Brief (MEEQ-B). Outcomes measurement tool: attitudes & feelings - attitudes (towards drug and alcohol use).

Fischer, JL and Spann, L and Crawford, D (1991) The Spann-Fischer Codependency Scale (SF CDS). Outcomes measurement tool: relationships – co-dependency.