Christensen, Larry B.,  1941- <br/><br/>
Research methods, design, and analysis / 
Larry B. Christensen, R. Burke Johnson, Lisa A. Turner. 
 - Twelfth edition. 
 - xx, 522 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references (pages 495-506) and index. 
<br/><br/><label>ISBN: </label>9780205961252 (hc : alk. paper)  RM567.26 0205961258 (hc : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology, Experimental--Textbooks.<br/>Psychology--Experiments--Textbooks.<br/>Experimental design.