A meta-analysis combining expert evaluation with naturalistic case study methods indicates that such investigations must use special methods to render evaluative judgments of worth. It is demonstrated that descriptive, interpretive, and evaluative aspects of such a study must be combined to yield justifiable conclusions. (TJH)

Concept mapping is a structured conceptualization that can be used by groups to develop a conceptual framework that guides evaluation or planning. Twelve papers discuss concept mapping in evaluation/planning in terms of theory development; measurement, construct validity, and pattern matching; outcome assessment and internal validity;…