journal of Comparative Neurology and Psychology. 



After being put back, he went directly to the button, turned it and 

 pulled the loop. He now opened the door five times in less than 

 five minutes. The association seemed to be perfectly formed. 



TABLE i\\ 



X imitating IT. 



Date 



Y GETS 

 OUT 



X SEES 



X FOLLOWS 

 Y OUT 



X GETS I X OPENS 

 OUT FIRST I DOOR 



Time 



Nov. i6. . . 

 Nov. i6... 

 Nov. r6. . . 

 Nov. i6. . . 

 Nov. 17. . . 

 Nov. 17. . . 

 Nov. 17. . . 

 Nov. 22 . . . 

 Nov. 22 . . . 

 Nov. 22 . . . 

 Nov. 22 . . . 

 Nov. 22 . . . 



Totals 



15 



Each time X followed Y out she was fed and then put back alone 

 for five minutes. If she did not get out during that time Y was 

 put in with her again. However, the first two times X opened the 

 door Y was in the box with her. Y first turned the button then 

 X pulled the loop. 



TABLE v. 

 M imitating T. 



M did not watch Y very closely until he had opened the door 

 several times, then she began to pay close attention, especially 

 when he went to the button. In all the tests she had with Y she 

 did not once attempt to turn the button. Generally she was 

 inactive when in the box alone. During the first trial on Nov. 28 

 she scratched at the loop after X had turned the button. The 



