Table IV. Hand Repetition.
| Job Task | Step | Material | Video samples | HAL* Right hand Mean (SD) | HAL* Left hand Mean (SD) |
|---|---|---|---|---|---|
| Prep | Demolition | VCT, Carpet | 3 | 3.3 (2.5) | 2.6 (1.5) |
| Repair | VCT | 1 | 5.0 (0) | 1.0 (0) | |
| Mix | Ceramic, Wood | 4 | 5.3 (1.5) | 3.0 (3.2) | |
| Install | Trowel | VCT, Ceramic, Carpet | 6 | 5.1 (0.8) | 2.2 (2.2) |
| Cut/Lay | VCT, Ceramic, Carpet, Wood | 9 | 3.0 (0.7) | 2.8 (0.8) | |
| Finish | Sponge/Buff | Ceramic, Wood | 5 | 3.2 (1.6) | 1.4 (0.5) |
| Carpet Tack | Carpet | 2 | 3.0 (0) | 1.0 (0) |
a
HAL- Hand Activity Level Scale (0=none, 10= highest rating). (Latko et al., 1997)