Discovering whether programs work a guide to statistical methods for program evaluation

Sonraí bibleagrafaíochta
Príomhchruthaitheoir:	Langbein, Laura Irwin
Formáid:	LEABHAR
Teanga:	Béarla
Foilsithe / Cruthaithe:	Glenview, Il. Scott, Foresman 1980.
Sraith:	The Scott, Foresman public policy analysis and management series
Ábhair:	Social sciences > Statistical methods. Evaluation research (Social action programs)