This article descnbes an outcome evaluation of a Drug-Free Schools and Community Program
employing a case study design and following a pattern-matching logic. Included in two cases
(elementary and high school programs) were two sources of evidence, a correlational panel survey,
and a qualitative interview study. Predictions were made for both sources of evidence assuming the
program was successful. The elementary school case matched the predicted outcome but the high
school case did not. A discussion of the methodologies selected and the conclusions reached is
presented to analyze the case study, pattern-matching approach for future outcome studies.
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