DISTRIBUTION OF EFFORT IN LEARNING IN WHITE RAT 



9 



lem, three and five trials daily are more economical than is 

 one trial daily. In this case, the first rat of the one trial group 

 required 1 1 days, of the three and five trial groups 7 and 6 days. 

 From these results it is seen that when trials are distributed 



TABLE I 

 Latch-Box 



over several days fewer trials are required to learn a problem, 

 and the accumulation of a number of trials in one day resulted 

 in the need of fewer days to perform the task. A discussion of 

 the significance of these results will be reserved until p. 46. 



