Ykrki-s, Modifiahi/ifv of Behavior. 



245 



the averages for the males and females of each gi-oup. This table 

 presents also the general averages for each sex. Inspection of these 

 results reveals the following significant facts. 



(1) The females exhibit a stronger initial preference for the 

 black box than do the males. Both, how^ever, choose the black box 

 more frequently than the white box, in the preference series. Since 



TABLE 5. 



Generai> REStTLTS OF THE Stuuy of the Relation of Age to Modifiability 



OF Behavior. 



EacJi result hi the table is either the avcniiie uiinilter of errors in 



ten tests for fire iuillriduals, w the general average 



for twenty hnUmrluals. 



entire lack of preference would be indicated by an equal distribution 

 of the choices — five for the white and five for the black in each 

 series — the preference for the black, in the case of the males, is .6 in 

 series A and .5 in series B, and in the case of the females it is .9 in 

 series A and .8 in series B. 



(2) The females make more errors than the males in the first 



