Thorndike, Edward L. (Edward Lee), 1874-1949.  Thorndike, Edward L. (Edward Lee), 1874-1949. <br/><br/>
An introduction to the theory of mental and social measurements. 

 - 2nd ed., rev. and enlarged. 
 - New York :  Columbia University Press,  1916. 
<br/><br/> First published in 1904. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.<br/>Average.<br/>Psychophysiology.