TRANSFER OF RESPONSE IN THE WHITE RAT 



31 



Animal 

 No. 53. 

 No. 54. 

 No. 55. 

 No. 56. 

 No. 57. 

 No. 58. 



Average. 



Animal 

 No. 93.. 

 No. 94.. 

 No. 95.. 

 No. 102. 

 No. 99.. 



Average. 



Group VIII 



Trials 



255 



255 



240 



195 



255 



225 



237.5 



Group X 



Trials 



210 



195 



180 



210 



180 



195 



Series 

 17 

 17 

 16 

 13 

 17 

 15 



15.8 



Series 

 14 

 13 

 12 

 14 

 12 



13 



Group IX 



Animal Trials 



No. 77 210 



No. 78 255 



No. 79 225 



No. 80 285 



Average 243.75 



Animal 

 No. 84.. 

 No. 85. . 

 No. 86. . 

 No. 91.. 

 No. 97.. 

 No. 101. 



Average. 



Group XI 



Trials 



120 



165 



195 



150 



165 



120 



Series 



14 



17 



15 



19 



16.25 



Series 



11 

 13 

 10 

 11 



152.5 



10.2 



Group XIII 



Animal 

 No. 83. 

 No. 87. 

 No. 88. 

 No. 92. 

 No. 96. 



Average 195 13 Average. . . 



Average for 31 animals, 198.87 trials, 13.26 series. 



Trials 

 195 

 195 

 165 

 210 

 135 



180 



Series 

 13 

 13 

 11 

 14 

 9 



12 



To understand these tables it is necessary to recall that 

 with the negative response the stimulus was given in but 

 15 trials out of each series of 20 trials, the other five trials 

 in each series being used for control tests as explained under 

 method of procedure. 



The important question here would be whether we can 

 be sure that the responses were actually made to the light. 

 As far as the writer could tell the other possible types of 

 stimuli which might have been functioning were the sight 

 of the experimenter's movements, the mechanical jarring of 

 the apparatus produced by working the keys, and the kin- 

 aesthetic which would show itself in turning habits due 

 to regularity of position and order of the required turning. 

 As to the first mentioned, as much care was exercised as 

 was possible to make such movements inconspicuous. The 



