596 MEMOIRS NATIONAL ACADEMY OF SCIENCES. ivouxv, 



Table 73.— Variables: Beta score, test % X alpha score, test 6. Group X: Special experimental group. 



ALPHA TEST 6. 



Table 74. — Variables: Beta score, test 3 X alpha score, test 6. Group X: Special experimental group 



ALPHA TEST 6. 



Table 75. — Variables: Beta score, test A X alpha score, test 6. Group X: Special experimental group. 



ALPHA TEST 6. 



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