274 



ADA W. YERKES 



TABLE 4 

 Data for Stock and Inbred Rats in Short Maze 



' absolute retention," i.e., the length of time required for the 

 first trial after that interval. 



In table 2 are given the averages of records of time, errors, 

 and distance for four stock rats, two males and two females, 

 trained in the long maze; in table 3 are the records for three 

 inbred rats, also in the long maze; 7 in table 4 the records for 

 five stock rats (three males and two females) and four inbred 

 rats (two males and two females) trained in the short maze. 



7 In tables 2 and 3 only the records for every fifth trial are here given in order 

 to save space. The records given in table 4 are complete, however, and the curv es 

 plotted from these records only are shown. 



