Davitz, Joel R. <br/><br/>
A guide for evaluating research plans in psychology and education / 
Joel R. Davitz, Lois Jean Daritz. 
 - New York :  Teachers College Press,  1967. 
 - 68 p. ;  23 cm. 
<br/><br/>Bibliography: p.35. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychological research.<br/>Educational research.