104
Table 6.3
(continued)
Malpani
2015
4 expert surgeons and 14 trainee surgeons
Robotic suturing and knot tying
Anonymous survey of preference for superior task segment performance between paired videos distributed to Johns Hopkins community Computed percentile scores for segment performance using preferences Predicted task-level scores using segment-
level
percentile scores
Inexperienced survey respondents: < 72 h Experts: ~672 h
83% agreement between inexperienced survey respondents and experts Segment score: Spearman’s ρ^
≥
0.86
Task score: Pearson’s
ρ^
≥ 0.84
$10 gift card/survey
First author
Year
Task performers
Task
Evaluation mechanism
Average time to feedback
Rating agreement between crowds and experts
Compensation
J.C. Dai and M.D. Sorensen