TY - BOOK AU - Wiseman, Douglas C. AU - ED - ED - ED - ED - SN - 076680013X (hardcover) SN - 2 PY - 1999///.;copyright 1999.46 CY - Belmont, CA PB - Wadsworth Publishing Company KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Research;Experimental methods KW - Education;Education KW - Handbooks, manuals, etc.;Handbooks, manuals, etc N1 - Includes bibliographical references and indexes; 5; Professional ER -