Helen Gavin  <br/><br/>
Understanding research methods and statistics in psychology/ 
by Helen Gavin 
 - London:  Sage,  2008. 
 - 404p. 
<br/><br/><label>ISBN: </label>1412934428 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methodology<br/>Psychology
<br/><br/><label>Dewey Class. No.: </label>150.727  / HEL/U