Title from PDF title screen (viewed Aug. 5, 2009). "September 2008." "NCEE 2008-012." "This report was prepared for the National Center for Education Evaluation and Regional Assistance, Institute of Education Sciences under contract ED-07-CO-0062 by the What Works Clearinghouse, which is operated by Mathematica Policy Research, Inc."--P. [ii]. Includes bibliographical references (p. 72-81).
Series:
IES practice guide
OCLC:
(OCoLC)317424860
Locations:
USUX851 -- Iowa State University - Parks Library (Ames)
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.