PSYCHOLOGICAL MEASUREMENTS. 



563 



for this subject, and his record f^^' T"'^^"TJ!^rT'^C ^as 

 the same pitch increments over his trial on September 29, when, as 

 decr^"d,'the larger increments were used and ^-er trials^ w^^^^^^^^ 

 with each. There are a large number of values scattered through the 



Table 149.-Sgi.od A-Percentage of correct jxuigments in pitch discrimination 



Date. 



Intervals. 



1917. 

 Sept. 29 . . 



Oct. 13. 



0«t. 27. 



Nov. 10. 



Nov. 24. 



Dec. 8.. 



Dec. 19.. 



1918. 

 Jan. 12. 



Jan. 26. 



Feb. 2 . . 



Low-die t 

 av.^ . 



vd. 

 5 

 3 

 2 

 1 



5 

 3 

 2 

 1 

 5 

 3 

 2 

 1 

 5 

 3 

 2 

 1 

 5 

 3 

 2 



1 



5 



3 



2 



1 



5 



3 



2 



1 



5 

 3 

 2 

 1 

 5 

 3 

 2 

 1 

 5 

 3 

 2 

 1 



O 



70 70 



97 

 90 

 80 

 63 

 100 

 97 

 77 

 57 

 100 

 97 

 93 

 77 

 100 

 97 

 90 

 67 

 100 

 97 

 73 

 53 

 97 

 93 

 90 

 60 



97 

 90 

 67 

 70 

 97 

 90 

 83 

 63 

 100 

 100 

 87 

 73 



O 



O 



•^ ^ ^ 



80 100 



93 



77 

 80 I 60 



90 



90 



63 



47 



97 



93 



77 



83 

 100 



97 

 80 

 83 

 97 



100 

 97 

 97 

 93 

 90 

 73 

 80 



100 

 93 

 90 

 67 



100 

 87 

 83 

 57 

 97 

 93 

 83 

 43 



100 

 90 

 83 

 57 



100 

 97 

 80 

 60 

 100 

 100 

 93 

 87 

 100 

 100 

 97 

 93 

 100 

 100 

 100 

 83 

 100 

 97 

 100 

 73 

 100 

 100 

 93 

 77 



100 

 50 



70 

 40 



90 90 

 80 50 

 50 1 80 



100 

 60 

 50 



100 

 50 

 50 



60 40 70 50 30 



87 

 90 

 70 

 50 

 80 

 87 

 73 

 77 

 83 

 80 

 53 

 43 

 27 llOO 

 47 83 

 37 70 

 23 63 

 40 97 

 20 83 



93 



87 



70 



73 



100 



87 

 80 



100 

 93 

 53 

 60 

 97 

 97 

 87 

 83 I 83 



100 

 100 

 93 

 70 

 97 

 97 

 83 

 70 

 100 

 97 

 97 

 77 



81 97 



63 83 

 66 74 



64 55 



100 

 99 

 91 



77 



23 

 30 

 63 

 43 

 40 

 27 



83 

 50 

 60 

 40 

 50 

 40 

 53 

 40 

 60 

 43 

 60 

 37 



60 

 53 

 97 

 87 

 70 

 50 



87 

 73 

 63 

 57 

 87 

 90 

 70 

 60 

 83 

 87 

 63 

 60 



100 



100 



90 



83 



100 



100 



83 



70 



100 



90 



70 



70 



97 



93 



83 



67 



90 



93 



63 



67 



97 



100 



87 



90 



100 



100 



93 



63 



97 



90 



57 



63 



97 



87 



57 



53 



97 



97 



87 



83 



100 



97 



93 



83 



97 



100 



83 



63 



100 



97 



97 



87 



100 97 

 93 I 90 



87 

 67 

 97 

 90 



77 

 80 



87 

 80 

 90 

 93 

 87 

 70 



100 97 



100 90 



80 80 



90 



77 



97 

 83 

 77 

 60 

 90 

 83 

 73 

 67 

 100 

 100 

 90 

 83 

 97 

 87 

 87 

 70 

 100 

 80 

 77 

 53 

 97 

 63 

 77 

 57 



93 100 

 80 80 



73 

 60 

 90 

 83 

 70 

 53 

 97 

 87 

 83 

 67 

 97 

 67 

 80 

 53 

 100 

 73 

 77 

 53 

 87 

 80 

 60 

 50 



97 100 



70 80 



60 67 



53 57 



100 

 60 

 60 

 53 

 97 

 90 

 67 

 63 



97 

 70 

 63 

 53 

 100 

 87 

 87 

 60 



98 

 91 

 83 

 74 



93 



87 



70 



59 



92 



89 



79 



74 



95 



93 



79 



75 



98 



91 



85 



74 



97 



86 



78 



63 



93 



86 



77 



60 



95 

 83 

 75 

 63 

 94 

 86 

 72 

 66 

 94 

 92 

 74 

 71 



100 

 80 

 67 

 67 



1 Records for Mon show low and irregular values and were not included in the average which 



mleo excludes Kon, Spe, and Fre. 

 » Sept. 29 (normal) not included in this average. 



