62 



HARRY MILES JOHNSON 



Days 



Trials 



1 



2 



"} 



4 



5 



C 



7 



8 



9 

 10 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 



TABLE 2— Continued 



Learning Records on Box 2 



Dog 5 (Normal d" ) 



Prol^leni 4 



6 7 8 9 10 11 12 13 14 



Total errors 20 20 20 19 1 



18 20 12 







% Error... 100 100 100 95 85 90 100 

 % Accuracy 5 15 1(1 

 Av. time... 2.5 2.2 2.3 1.9 2.2 1.2 1.4 



GO 30 5 20 

 4(1 70 95 80 100 100 100 

 1.2 1.1 1.1 1.0 1.0 1.0 1.0 



% Error 80 90 70 60 70 60 40 10 20 10 10 10 

 % Accuracy 20 10 30 40 30 40 00 90 80 90 90 90 100 100 100 

 Av.time... 3.0 4.1 3 6 5.0 3.1 2 8 3 1.9 12 1.0 1.1 10 10 1.0 1.0 



Dog 7 (Blind (J", After Operation) 

 Problem 5 

 4 5 6 7 8 9 10 11 12 13 14 



Total errors 10 877846322100 



<7^ Error .. 100 80 70 70 80 40 60 .30 20 20 K) 



% \ceuracv 20 30 30 20 60 40 70 SO SO 90 100 100 100 



Av time "-'2 9.1 4 7 3.9 3 1 2.2 2,6 2 1.7 1.4 15 10 1.1 10 



Total 

 • errors 

 9 



157 



Total 



- errors 



7 



8 



6 



58 



