"Prepared with funding from the Office of Educational Research and Improvement (OERI), U.S. Department of Education, under Contract No. ED-99-C0-0026"--P. 8.
Includes bibliographical references (page 7).
Mode of access: Internet from the ERIC web site. Address as of 03/01/04: http://www.ericfacility.net/ericdigests/ed470036.html; current access available via PURL.