Saris, Willem E. <br/><br/>
Variation in response functions:  a source of measurement error in attitude research 
/ Willem E. Saris 
 - Amsterdam:  Sociometric Research Foundation,  1988. 
 - 233p. :  ill. ;  24 cm 
<br/><br/>Includes bibliography  
<br/><br/><label>ISBN: </label>9070947080  TZS 15000/= 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Variation response functions 
<br/><br/><label>Dewey Class. No.: </label>302.015195 SAR