578 



MEMOIRS NATIONAL ACADEMY OF SCIENCES. 



[Vol. XV, 



Table lfi. — Variable: Alpha score, test 1 X alpha score, tests. Group X: Special experimental group. 



ALPHA TEST 8. 



Table 17. — Variable: Beta score, test 1 X alpha score, test 1. Group X: Special experimental group. 



ALPHA TEST 1. 



w 

 n 



Table 18. — Variables: Beta score, test 2 X alpha score, test 1. Group X: Special experimental group. 



ALPHA TEST 1. 



Table 19. — Variables: Beta score, test 3 X alpha score, test 1. Group X: Special experimental group. 



ALPHA TEST 1. 



E- 

 (0 



