Making Statistics More Meaningful for Policy Research and Program Evaluation  

Oleh:

May, Henry

Jenis: Article from Journal - e-Journal
Dalam koleksi: American Journal of Evaluation vol. 25 no. 4 (Dec. 2004), page 525–540.
Topik: Satistical Information; meaningful statistics
Fulltext: 525.pdf (147.95KB)

Isi artikel

This article focuses on the use of statistics in policy and evaluation research and the need to present statistical information in a form that is meaningful to mixed audiences. Three guidelines for formulating and presenting meaningful statistics are outlined. Understandability ensures that knowledge of statistical methods is not required for comprehending the information presented. Interpretability ensures that statistical information can be explained using familiar, non-abstract units. Comparability ensures that the magnitudes of different estimates can be directly compared within and across studies. Examples for improving popular effect size estimates from linear and non-linear models are included, and a general approach to presenting statistical information meaningfully for consumers of policy and evaluation research is explained.

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