Ray, William S. . <br/><br/>
Statistics in Psychological Research /  Textual Documents 
William S. Ray. 
 - 1st ed. / 
 - New York :  Macmillan and co ,  1962. 
 - 303p. ;  22cm. 
<br/><br/><label>Subjects--Index Terms: </label>Statistics-Psychological Research Psychological Research-Statistics G-Statistics 
<br/><br/><label>Dewey Class. No.: </label>311  / R 213 St