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Reichardt, Charles S.; Cook, Thomas D. – Evaluation and Program Planning: An International Journal, 1980
How some of the past literature creates the impression of an inevitable method-paradigm linkage and of a forced choice between qualitative and quantitative paradigms is shown. Difficulties of making method choices are considered. It is suggested that purposefully developed strengths of different methods should not be ignored. (Author/GK)
Descriptors: Case Studies, Evaluation Methods, Input Output Analysis, Interviews
Peer reviewed Peer reviewed
Nagel, Stuart S. – Evaluation and Program Planning: An International Journal, 1983
Threshold analysis (TA) is introduced as an evaluation model. TA converts unknown variables into questions as to whether a given benefit, cost, or success probability is more or less than a threshold, above which the proposed project would be profitable, and below which it would be unprofitable. (Author/PN)
Descriptors: Cost Effectiveness, Cost Estimates, Evaluation Methods, Evaluation Needs