Zechmeister, J.S <br/><br/>
Essentials of research methods in psychology/ 

 - Boston:  McGraw Hill,  2001. 
 - xii,269p.:  ill.;  23cm. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780072388152 
<br/><br/><label>LC Class. No.: </label>DUCE BF76.5.Z42