Psychological  testing and assessment  an introduction to tests and measurement / 
Cohen, Ronald Jay. 
 - 8th ed. 
 - xxv,612 p. :  ; illus. ; (np) ;  25 cm. 
<br/><br/><label>ISBN: </label>9781259071577 
<br/><br/><label>Subjects--Topical Terms: </label><br/>psychological testing--c2010--New York--Newsprint.