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. Author manuscript; available in PMC: 2021 Jan 1.
Published in final edited form as: J Geriatr Phys Ther. 2020 Jan-Mar;43(1):12–19. doi: 10.1519/JPT.0000000000000197

Table 4.

Accuracy of Therapists’ Judgments of Lower Limb Force.

Therapist Mean Absolute
Error (Range)%
Videos Judged
Within +/− 7% Error Threshold, %
1 18 (5, 44) 20
2 14 (0, 35) 30
3 10 (0, 25) 50
4 18 (5, 34) 20
5 11 (0, 25) 30
6 8 (0, 34) 70
7 14 (0, 37) 20
8 12 (0, 43) 30
9 14 (1, 32) 20
10 9 (0, 22) 50
11 7 (0, 27) 70
12 16 (3, 45) 30
13 12 (0, 34) 50
14 11 (0, 34) 50
15 11 (0, 34) 30
16 19 (6, 45) 20
17 7 (0, 20) 60
18 9 (0, 25) 60
Combined, mean /SD 12 (4) 39 (18)