Habit Formation : Discrimination Method 235 



selection. It takes the dancers a surprisingly long time to 

 reach the point of making this comparison as soon as they 

 are confronted by the entrances to the two electric- boxes. 



15, 



FIGURE 31. Curve of habit formation, plotted from the data of labyrinth-D 

 tests with ten males and ten females. 



The habit of running from entrance to entrance repeatedly 

 before either is entered, once having been acquired, is re- 

 tained often throughout the training experiments. But in 

 other cases, an individual finally comes to the point of choos- 

 ing by what appears to be the immediate recognition of the 

 right or the wrong box. In the former case the mouse enters the 



