Table 2 Results of the Wilcoxon signed ranks tests comparing performance of every task between the two training series; speed versus damage control
From: Speed versus damage: using selective feedback to modulate laparoscopic simulator performance
| Â | Instrument navigation | |||||||
| Â | Total time | Tissue damage | ||||||
session 1 | session 2 | session 3 | session 4 | session 1 | session 2 | session 3 | session 4 | |
Z-value | −4,20 | −6,03 | −6,57 | −5,70 | −3,71 | −5,50 | − 6,27 | − 4,97 |
Significance | ,00 | ,00 | ,00 | ,00 | ,00 | ,00 | ,00 | ,00 |
| Â | Lifting & Grasping | |||||||
| Â | Total time | Tissue damage | ||||||
session 1 | session 2 | session 3 | session 4 | session 1 | session 2 | session 3 | session 4 | |
Z-value | −3,52 | −2,81 | −4,01 | −4,30 | −1,58 | −4,59 | −5,38 | −4,39 |
Significance | ,00 | ,01 | ,00 | ,00 | ,11 | ,00 | ,00 | ,00 |
| Â | Cutting | |||||||
| Â | Total time | Tissue damage | ||||||
session 1 | session 2 | session 3 | session 4 | session 1 | session 2 | session 3 | session 4 | |
Z-value | −3,73 | −3,57 | −2,50 | −2,72 | −2,14 | −3,90 | −4,03 | − 3,82 |
Significance | ,00 | ,00 | ,01 | ,01 | ,03 | ,00 | ,00 | ,00 |