FACTORS IN LEARNING BY WHITE RATS 



351 



3 



6 



5 



c 

 o 



o 



•a . 

 S >< 



o o 



C v 

 a; >-< 



u C 

 crj 



c ST 



TJvC 

 Ui 



OX 

 o ■>-» 

 o O 

 rtxi 



c o 



"*h rt 



PhJ3 

 ..« 



§11 



cjX 



O >. 



■w O 



£8 



'- Li 

 +-> 



R c 



I' & 

 >- C 

 .. a) 



>>rr 

 u CT 

 C <U 



s* 



£x 

 'Sx 



^ w 

 u'S 



£ i> 

 "2 c 



° u 

 "O 

 u 



.S « 



« 



'Sis 



xOh 



_ o 



■3 2 



■c« 



§£ 



II rS 



fa 



