Sperling, Rayne A. Study guide to accompany Gay, Mills, and Airasian's educational research : competencies for analysis and applications / Rayne A. Sperling. - 8th ed. - Upper Saddle River, N.J. : Pearson Education, c2006. - iv, 356 p. : illus. ; (pbk) ; 28 cm. Includes bibliographical references. ISBN: 0131716697 Subjects--Topical Terms: Education--Research. LC Class. No.: LB1028 / .G37 2009 Dewey Class. No.: 370.7'2