TY - BOOK AU - Berends,Mark TI - Examining gaps in mathematics achievement among racial-ethnic groups, 1972-1992 SN - 0833036904 PY - 2005/// CY - CA PB - RAND Corp. KW - Mathematical ability KW - Testing KW - Mathematics KW - Study and teaching KW - United States KW - Evaluation KW - History KW - 20th century KW - Minorities KW - Education N1 - "MG-255-EDU"--P. [4] of cover; "Prepared for The Spencer Foundation and the U.S. Department of Educatin."; Includes bibliographical references (p. 139-163) ER -