理論主導のプログラム評価の定義(Chen, 2015)

Program Evaluation: The process of systematically gathering empirical data and contextual information about an intervention program — specifically answers to what, who, whether, and why question that will assist in assessing a program’s planning, implementation, and/or effectiveness (Chen, 2015, p.6)。

第2版の書籍(Practical Program Evaluation:Theory-driven evaluation and the integrated evaluation perspective by H. T. Chen, Sage,2015)における新たな定義。