Shaughnessy John J., Zechmeister Eugene B., Zechmeister Jeanne S. <br/><br/>
Research Methods in Psychology/ 

 - New York   Mc Graw Hill  2012 
 - P489 
<br/><br/><label>ISBN: </label>978-1-259-25296-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology --Research Methodology
<br/><br/><label>LC Class. No.: </label>BF 76.5  / .S53 2012