Titlebook: Credibility, Validity, and Assumptions in Program Evaluation Methodology; Apollo M. Nkwake Book 2015 Springer International Publishing Swi

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,Validity in Framing an Evaluation’s Purpose and Questions, questions and the use of the results. The main assumptions of participatory validity focus on: (1) the effectiveness of the participatory process; (2) the relevance and use of the evaluation findings; and (3) paradigmatic—ontological and epistemological considerations.

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Book 2015 designs to include arguments justifying the appropriateness of methods. An important part of this justification is explaining the assumptions made about the validity of methods. This book provides a framework for understanding methodological assumptions, identifying the decisions made at each stage

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mptions about their validity is a critical part of methodological credibility. Validity comes from the accuracy of methods in depicting reality and the conclusions and decisions based on this depiction. In this chapter, tenets of a credible evaluative argument are discussed.

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Constituents of Evaluation Practice,lient interests. The utilization (demand) constituent concerns the use of research results, including a demand for evidence to guide policy. Evaluators are preoccupied more with methodology than with the other evaluation constituents.

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