SHAUGHNESSY, John J. Zechmeister, Eugene B. <br/><br/>
Research methods in psychology / 
[by] John J.Shaughnessy, Eugene B.Zechmeister 
 - 4th ed. 
 - Boston  McGraw-Hill  1997 
 - xvii, 524 p. 
<br/><br/> Includes appendixes and index. 
<br/><br/><label>ISBN: </label>70572720 
<br/><br/><label>Dewey Class. No.: </label>150.72  / SHA