Yoder, Paul Jordan. <br/><br/>
Observational measurement of behavior / 
Paul Yoder, Frank Symons. 
 - New York :  Springer Pub. Co.,  2010. 
 - xxiii, 224 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780826137975 (pbk.)  RM194.40 9780826137982 (e-book) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Behavioral assessment<br/>Psychological tests and testing<br/>Observation--methods