Titlebook: Credibility, Validity, and Assumptions in Program Evaluation Methodology; Apollo M. Nkwake Book 2023Latest edition The Editor(s) (if appli

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978-3-031-45616-9The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerl

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Conclusion,be examined within the arguments that account of credible methodology in program evaluation. Examination of methodological assumptions needs to begin with a clear understanding of the types of assumptions that affect validity and at what points in the evaluation process these assumptions most commonly emerge.

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f construct validity directly affected by decisions in this process is translation validity. Translation validity concerns the extent to which instruments or questions administered to the respondents or indicators used to measure program outcomes reflect the construct being measured. This chapter lo

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determine what they mean; applying appropriate approaches for comparing, verifying, and triangulating results; and lastly, documenting appropriate conclusions and recommendations. Therefore, critical validity questions include:.The main forms of validity affected at this stage include statistical c