Randomized experiments for planning and evaluation : a practical guide

Robert F. Boruch
Bok · Engelsk · 1997

Annen tittel	Applied Social Research Methods
Utgitt	Thousand Oaks, Calif. : Sage Publications , c1997
Omfang	265 s : ill.
Emner	Evaluation research (Social action programs) Social sciences - Methodology
ISBN	0803935099. - 0803935102