HABIT FORMATION IN ALBINO RATS 



17 



Day 90 



5.158 

 11.553 



Day 95 

 5.158 



6.353 



Day 100 



5.158 

 7.559 



TABLE lib 

 THE MAZE 



AVERAGE ABSOLUTE RETENTION OF SIXTH AND SEVENTH GENERATION INBRED RATS 



Absolute Retention 

 after 60 Days' Rest 



Sixth Average 65.443 seconds 



Seventh Average 126 . 680 seconds 



TABLE lie 

 THE MAZE 



DAILY RELEARNING AVERAGES OF SIXTH AND SEVENTH GENERATION INBRED RATS 



(Time in seconds) 



Sixth Average 



Seventh Average. 



Sixth Average. . . 

 Seventh Average. 



Sixth Average. . . 

 Seventh Average. 



Sixth Average. .. 

 Seventh Average. 



Sixth Average . . . 

 Seventh Average . 



Sixth Average 



Seventh Average. , 



Day 1 



31.866 

 45.352 



D*y 6 



8.174 

 6.264 



Day 11 

 6.163 



6.304 



Day 16 



5.628 

 5.656 



Day 21 

 6.186 



5.656 



Day 26 



6.349 

 5.656 



Day 2 



10.357 

 17.392 



Day 7 



7.426 

 8.312 



Day 12 

 6.054 



5.720 



Day 17 

 5.674 



5.656 



Day 22 



5.897 

 5.656 



Day 27 



5.711 

 5.656 



Day 3 

 11.043 



7.344 



Day 8 



6.351 

 7.456 



Day 13 

 5.886 



6.576 



Day 18 

 5.689 



5.656 



Day 23 

 5.911 



5.656 



Day 28 



6.006 

 5.656 



Day 4 

 9.009 



11.104 



Day 9 

 6.111 



6.584 



Day 14 



5.660 

 5.656 



Day 19 



6.163 

 5.656 



Day 24 



6.206 

 5.656 



Day 29 

 5.909 



5.656 



Day 5 



8.071 

 8.064 



Day 10 



6.129 

 7.936 



Day 15 



5.563 

 5.656 



Day 20 



5.740 

 5.656 



Day 25 



5.811 

 5.656 



Day 30 



5.874 

 5.656 



