Table 1.
Observed average and bias of each method compared to the TWA RULA score
| Subject | TWA Score | Random | Clock Weighted | Interval | |||
|---|---|---|---|---|---|---|---|
| Avg | Bias | Avg | Bias | Avg | Bias | ||
| S01 | 4.2 | 4.3 | −0.4 | 4.1 | 0.2 | 4.2 | 0.2 |
| S02 | 3.9 | 3.8 | 0.1 | 3.8 | 0.3 | 3.7 | 0.2 |
| S03 | 3.3 | 3.4 | −0.1 | 3.4 | −0.1 | 3.4 | −0.4 |
| S04 | 3.4 | 3.4 | −0.1 | 3.4 | 0.0 | 3.4 | 0.3 |