Habit Formation: The Labyrinth Habit 219 



On the basis of the supposition that a maze whose path 

 was so complex that the animal would not be likely to follow 

 it correctly in the early trials would be more to the purpose 



Title of investigation .,. .Labyrinth C. ....... 



Experimented on f*P, ..*.. ; , 



HARVARD PSYCH. LAB., February ..2B-, 1907. 



Test 1 

 Errors 12 



Test 5 

 Errors 5 



Test 10 

 Errors 1 



Test 11 

 Errors Q 



FIGURE 27. A record sheet, showing the plan of labyrinth C (as made on the 

 sheet by means of a rubber stamp) on which the experimenter recorded the path 

 followed by the mouse. This sample sheet presents the path records for the 

 first, fifth, tenth, and eleventh tests of No. 2 in labyrinth C. i, 2, 3, 4, 5 desig- 

 nate the several errors of the labyrinth. 



