Howitt, Dennis. <br/><br/>
An introduction to statistics in psychology :  a complete guide for students / 
Dennis Howitt and Duncan Cramer. 
 - 2nd ed. 
 - Harlow, England  Upper Saddle River, N.J. :  Prentice Hall,  2000. 
 - xii, 482 p. :  ill. ;  24 cm. 
<br/><br/>References : p. 475-476 
<br/><br/><label>ISBN: </label>0130173142 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychometrics