DeVellis, Robert F. <br/><br/>
Scale development :  theory and applications / 
Robert F. DeVellis. 
 - 3rd ed. 
 - Los Angeles, Calif. :  SAGE,  c2012. 
 - 205 p. :  ill. 
 - Applied social research methods series ;  26 .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781412980449 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scaling (Social sciences)
<br/><br/><label>LC Class. No.: </label>H 61.27  / D483S 2012