Single subject research  strategies for evaluating change 
edited by Thomas R. Kratochwill. 
 - New York  Academic Press  1978. 
 - xx, 316 pages,    illustration,   24 cm 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0124258506 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational psychology<br/>Psychometrics<br/>Longitudinal methods<br/>Psychology, Educational