Fraenkel, Jack R. How to design and evaluate research in education / Jack R. Fraenkel, Norman E. Wallen. - 3rd ed. - N. Y. : McGraw-Hill, c1996. - xix, 602p. : col. ill. ; 26 cm. Includes bibliographical references and index. ISBN: Subjects--Topical Terms: Education--Research--MethodologyEducation--Research--Evaluation LC Class. No.: LB1028 / F84 1996