Cohen, Ronald Jay. <br/><br/>
Psychological testing and assessmen  an introduction to test and measurement 
Ronald Jay Cohen, Mark E. Swerlik. 
 - 7th ed. 
 - New York  McGraw-Hill  c2009. 
 - 1 V.(various pages)  ill  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780073129099 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychological Tests--Texbooks.<br/>Psychometrics--Textbooks.