Martella, Ronald C. Understanding and interpreting educational research / Ronald C. Martella, J. Ron Nelson, Robert L. Morgan, Nancy E. Marchand-Martella. - xxii, 666 pages ; 26 cm. Includes bibliographical references (p. 633-643) and index. ISBN: 9781462509621 (pbk. : alk. paper) 9781462509744 (hardcover : alk. paper) LCCN: 2013011367 Subjects--Topical Terms: Education--Research. LC Class. No.: LB1028 / .M278 2013 Dewey Class. No.: 370.72