Long, John Alexander,  1891- <br/><br/>
The validation of test items ... 
by John A. Long, Peter Sandiford and others. 
 - Toronto,  The Dept. of educational research, University of Toronto  [1935] 
 - 126 p.  incl. tables, diagr.  23 cm. 
 - Toronto. University. Bulletin no. 3 of the Department of educational research .
<br/><br/>Bibliography: p. 125-126. 
<br/><br/><label>LCCN: </label>e  36000114  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational tests and measurements<br/>Education--Statistics.
<br/><br/><label>LC Class. No.: </label>LB1131  / .L58