602 



MEMOIRS NATIONAL ACADEMY OF SCIENCES. 



[ Vol. XV, 



Table 91. — Variables: Alpha score, test S X beta score, test 5. Group X: Special experimental group. 



BETA TEST 5. 



Table 92. — Variables: Alpha score, test 8 X beta score, test 6. Group X: Special experimental group. 



BETA TEST 6. 



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Table 93. — Variables: Beta score, test 7 X alpha score, test S. Group X: Special experimental group. 



ALPHA TEST 8. 



