Table 4-18 SRTT Analysis: Below the Median on the the McGill Pain Questionnaire (n=27) Pain Ratinq Index (Sensorv) of Scale n % I E 13 48.15 .91 I 14 51.85 1.10 S 20 74.07 .93 N 7 25.93 1.30 T 10 37.04 1.02 F 17 62.96 .99 J 15 55.56 1.05 P 12 44.44 .94 % = Percent of total choosing this group who fall into this type I = Self-selection index; ratio of percent of type in group to % in sample Table 4-19 SRTT Analysis: Above the Median on the Pain Rating Index (Sensory) of the McGill Pain Questionnaire (n=28) Scale n % I E 16 57.14 1.08 I 12 42.86 .91 S 24 85.71 1.07 N 4 14.29 .71 T 10 35.71 .98 F 18 64.29 1.01 J 14 50.00 .95 P 14 50.00 1.06 % = Percent of total choosing this I = Self-selection index; ratio of sample group who fall into this type percent of type in group to % in