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K. S. LASHLEY AND L. E. WILEY 



the correlations are quite high and significantly greater than 

 their probable errors. For the most significant of the criteria, 

 errors exclusive of the first trial, the coefficients range from 

 0.57 ± 0.08 for group 4 on maze V to 0.80 ± 0.05, with an 



TABLE 5 

 Learning scores for operated group II in mazes II and V. Arranged as table 4 



