THE WHITE RAT AND THE MAZE PROBLEM 



147 



TABLE I 



Records of the First 25 Trials, Time and Errors, of Rats in 

 Normal and Olfactory Mazes 



TABLE II 



Tabulated Statement of the Results in the Three Mazes 



Normal Maze 



Average time of learning. . 12.1 ±3.6 trials 

 Average time of the first 



five trials J16.3 ±6.7 min. 



Average speed of the last 



five trials I .31 ± .05 min. 



Total surplus time 93.9 min. 



Average errors first trial. . . 14.7 ±7.7 

 Average errors in the last' 



five trials | .1 ± .14 



Total average errors per 



animal 66.6 ± 16 



First run without error. ... 8.3 ±3.1 



Olfactory 



trail in 

 true path 



8.1 ±2.4 trials 



8.7 ±3.9 min. 



.28 ± .08 min. 

 64.98 min. 

 4.5 ±3 



.04 ± .04 



20.5 ±5.6 

 6.3 ±2.8 



Olfactory 



trail in 



errors 



7.3 ±3.8 trials 



8.1 ±5.2 min. 



.47 ±.08 min. 

 66.45 min. 

 9.6 ±6.8 



.44 ± .21 



52.1 ±12 

 7.5 ±1.8 



