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Cordray, David S.; Sonnefeld, L. Joseph – New Directions for Testing and Measurement, 1985
There are numerous micro-level methods decisions associated with planning an impact evaluation. Quantitative synthesis methods can be used to construct an actuarial data base for establishing the likelihood of achieving desired sample sizes, statistical power, and measurement characteristics. (Author/BS)
Descriptors: Effect Size, Evaluation Criteria, Evaluation Methods, Meta Analysis
Orwin, Robert G. – New Directions for Testing and Measurement, 1985
The manner in which results and methods are reported influences the ability of the synthesis of prior studies for planning new evaluations. Confidence ratings, coding conventions, and supplemental evidence can partially overcome the difficulties. Planners must acknowledge the influence of their own judgement in using prior research. (Author)
Descriptors: Decision Making, Evaluation Methods, Evaluators, Meta Analysis
