EFFECTS OF PRENATAL RADIATION UPON LEARNING 657 



Siegal, S. 1956. "Nonparametric Statistics for the Behavioral Sciences." McGraw-Hill, 



New York. 

 Tait, C. D., Jr., Wall, P. D., Balmuth, M., and Kaplan, S. J. 1952. Behavioral 



changes following radiation. II. Maternal Behavior and Maze Performance. U. S. 



Air Force School of Aviation Med. Project No. 21-3501-0005, Report No. 12. 



