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Evaluation Review, Vol. 26, No. 2, 147-189 (2002)
DOI: 10.1177/0193841X02026002002

Data Quality in Evaluation of an Alcohol-Related Harm Prevention Program

John W. Graham

Pennsylvania State University

Melinda M. Roberts

Pennsylvania State University

James W. Tatterson

Pennsylvania State University

Sara E. Johnston

Pennsylvania State University

The authors report the reliability and convergent validity in a sample of college students for 27composite scales and two items covering alcohol use, cigarette smoking, marijuana use, andother drug use; beliefs relating to alcohol use; perceived norms for alcohol-related behavior;harm prevention skills; intentions to take prevention action; harm prevention action taken; risktaken; experienced harm; and other health-related behaviors and person characteristics. Dataquality assessment strategies and missing data procedures were illustrated for large, multivariate,longitudinal data sets. Results indicate 23 of the 27 composite scales had at least acceptable reliability,and the remaining 4 composite scales had at least marginally acceptable reliability. Atleast moderate construct validity was demonstrated for 25 scales.

Key Words: college students • alcohol • reliability • validity • missing data


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J. W. Graham, J. W. Tatterson, M. M. Roberts, and S. E. Johnston
Preventing alcohol-related harm in college students: Alcohol-related Harm Prevention program effects on hypothesized mediating variables
Health Educ. Res., February 1, 2004; 19(1): 71 - 84.
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