Yfrkhs, Modi-fxahility of Behavior. 



261 



At the outset the eouditiou of disci-iniination was fairly easy and 

 the old dancers learned to choose correctly with 110 tests, the young 



TABLE 12. 



Relation of Discriminating Ability to Age. 

 Experiments with Weber's Law Apparatus. 



ones, with 95. In view of the results of the previous section we 

 might have expected the young individuals to learn more slowly than 



