TRAINING IN WHITE RATS UPON VARIOUS SERIES OF MAZES 49 



40 

 SO 

 60 

 70 



The Percentages of Tnarnsfer of Ir^^/n/n^ in 

 fhe D Ma^e Fart/<^f/y Learned before the 

 Complete Learn /n^ of the E M^i^fze (!^nL<i 

 Completely Learne'dl /:;ffter the Learn /n^ 

 of fhe 3econc:^ Ma^e. 



"Tri^^ls 



Lrror3 J^/G /S 



respect to time, was negative in three of the four changes 

 from D to E. But there is nothing in this negative transfer 

 to invalidate the findings of the experiments reported here 

 and those reported elsewhere as to the generally positive 

 nature of transfer, for this negative transfer was due to 

 the fact that the animals made large time-records in the 

 trials before the interruption, and then on being returned 

 to the maze completed the learning in comparatively few 



