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MEMOIRS NATIONAL ACADEMY OF SCIENCES. 



I Vol. XV, 



Table 30. — Variables: Beta score, test 1 X alpha, lest 2. Group X: Special experimental group. 



ALPHA TEST 2. 



Table 31. — Variables: Beta score, test 2 X alpha score, test 2. Group X: Special experimental group. 



ALPHA TEST 2. 



Table 32. — }ariables: Beta score, test S X alpha score, test , 



ALPHA TEST 2. 



Group X: Special experimental group. 



< 

 H 



m 



Table 33. — Variables: Beta score, test 4 X alpha score, test 2. Group X: Special experimental group. 



ALPHA TEST 2. 



