Shaughnessy, John J., 1947- <br/><br/>
Research methods in psychology / 
John J. Shaughnessy 
 - [Place of publication not identifed] :  [publisher not identified],  c2003 
<br/><br/> Research methods in psychology, Research 
<br/><br/><label>ISBN: </label>72494468 
<br/><br/><label>LC Class. No.: </label>BF 76.5 .S46 2003