ISBN-13: 9780761917649 / Angielski / Twarda / 1998 / 136 str.
ISBN-13: 9780761917649 / Angielski / Twarda / 1998 / 136 str.
Through the use of specific examples to illustrate evaluation research goals and methods, this book provides readers with an overview of the science and politics of evaluation research. The Second Edition includes coverage of meta-analysis, selection models and instrumental variables.