DeVellis, Robert F. <br/><br/>
Scale development : theory and applications /  
by Robert F DeVellis. 
 - 3rd ed /   . 
 - London :   Sage Publications ,   2012. 
 - ix,205p. :   ills.,figs.,tables ;   22cm .  
 - Applied social research methods series,   NULL  NULL; .
 - Applied social research methods series,   NULL  NULL; .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781412980449  USD38.95 
<br/><br/><label>Subjects--Index Terms: </label>SCALING (SOCIAL SCIENCES) 
<br/><br/><label>Dewey Class. No.: </label>300.72  / DEV/S