Lewis, Don.  1902-1972. <br/><br/>
Quantitative methods in psychology / 
Don Lewis. 
 - New York :  McGraw-Hill,  c1960. 
 - xii, 558 p. :  illus. ;  24 cm. 
<br/><br/>Includes bibliography & Index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology.<br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>150.7253  / LEQ 1960