Kiess, Harold O.,   1940- <br/><br/>
Psychological research methods :  a conceptual approach / 
Harold O. Keiss, Douglas W. Bloomquist 
 - Inc., Boston :  Allyn and Bacon,  1985 
 - 538 p. :   ill. ;   24 cm. 
<br/><br/>p. 500-512 
<br/><br/><label>ISBN: </label>0205083811 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Psychology--Research