606 



MEMOIRS NATIONAL ACADEMY OF SCIENCES. 



[Vol. XV, 



Table 105.— Variables: Beta score, test 4 X beta score, test 3. Group X: Special experimental group. 



BETA TEST 3. 



Table 106. — Variables: Beta score, test 3 X beta score, test 5. Group X: Special experimental group. 



BETA TEST 5. 



Table 107. — Variables: Beta score, test 3 X beta score, test 6. Group X: Special experimental group. 



BETA TEST 6. 



Table 108.— Variables: Beta score, test 7 X beta score, tests. Group X: Special experimental group. 



BETA TEST 3. 



w 



e 



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