Welkowitz, Joan. <br/><br/>
Introductory statistics for the behavioral sciences / Joan Welkowitz, Barry H. Cohen, R. Brooke Lea. 

 -  Hoboken, N.J. : Wiley, c2012. 
 - xxiii, 545 p. : ill. ; 25 cm. 
<br/><br/><label>ISBN: </label>9780470907764 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences --Statistical methods. Psychometrics. Sociology --Statistical methods.