Ruch, Floyd Leon, 1903- <br/><br/>
Psychology and life 
By Floyd L. Ruch 
 - 7th ed. 
 - Foresman, Glenview, Ill.  Scott  1967 
 - 758 p. : ill. ; 24 cm. 
<br/><br/> 'Reference manual: Basic concepts in statistics by William W. Ruch. Frontiers in psychology by Robert Rosenthal and others' p. 615 
<br/><br/>Bibliography: p. 687-719. 
<br/><br/><label>LCCN: </label>67-015475 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology