28 



CHARLES A. COBURN 



Group 2 should give the measure of the effect of the two extra 

 tests, since the ages of both groups are the same and hence, the 

 effect of the presence of the experimenter would likewise be 

 equal. In the case of the males this effect seems to be indicated 

 in both wildness and savageness as the average grades for the 



TABLE 15 

 Summary of Results of Group 1, Parental Generation, Wild, Tested at Usual Times 



Average number tests, 5 ' 



Range of tests, 5 First test 



Average age in days: 



First test, 37 Average 1 and 2 . . . . 



Fourth test, 70 



Last test, 88 Average all 



6 P (Wild) 



males and Average 3, 4 and 5. . . 



females Average 4 and 5 . . . . 



Last test 



Average number tests, 5 



Range of tests, 5 First test 



Average age in days: 



First test, 37 Average 1 and 2 . . . . 



Fourth test, 70 



Last test, 88 Average all 



3 P (Wild) 



Males Average 3, 4 and 5. . 

 Average 4 and 5 . . . . 

 Last test 



Average number tests, 5 



Range of tests, 5 First test 



Average age in days: 



First test, 37 Average 1 and 2 



Fourth test, 70 



Last test, 88 Average all 



3 P (Wild) 



females Average 3, 4 and 5. . 

 Average 4 and 5 . . . . 

 Last test 



sixth and the seventh tests of Group 2 are, respectively, 0.66 

 and 0.33 of a grade lower than the averages for the fourth 

 and fifth tests of Group 1. In the case of the females, however, 

 this does not maintain inasmuch as the averages for wildness 

 are identical in each group and the average for savageness in 

 the sixth and seventh tests of Group 2 is 0.5 of a grade higher 



