DeVellis, Robert F., <br/><br/>
Scale development :  theory and applications / 
Robert F. DeVellis. 
 - Fourth edition. 
 - xvii, 262 pages :  illustrations ;  23 cm. 
 - Applied social research methods series ;  v. 26 .
 - Applied social research methods series ;  v. 26. .
<br/><br/>Includes bibliographical references (pages 247-256) and index. 
<br/><br/><label>ISBN: </label>9781506341569  RM204.01 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scaling (Social sciences).