Table 3 Actual P(Qj = 1 | Li) for various subsets of Dataset 2 - complete sample, a random half of the sample, online sample (n = 100) and clinic sample (n = 62)
From: A new adaptive testing algorithm for shortening health literacy assessments
Q-ID | Class (Li) | Complete Sample | Random 50% split | Online Sample | Clinic Sample |
|---|---|---|---|---|---|
| Â | Low | 0.5 | 0.43 | 0.56 | 0.47 |
1 | Moderate | 0.69 | 0.68 | 0.60 | 0.85 |
| Â | High | 1 | 1 | 1 | 1 |
| Â | Low | 0.31 | 0.35 | 0.25 | 0.34 |
2 | Moderate | 0.81 | 0.79 | 0.85 | 0.74 |
| Â | High | 1 | 1 | 1 | 1 |
| Â | Low | 0.69 | 0.70 | 0.63 | 0.72 |
3 | Moderate | 0.93 | 0.95 | 0.96 | 0.89 |
| Â | High | 1 | 1 | 1 | 1 |
| Â | Low | 0.60 | 0.61 | 0.81 | 0.5 |
4 | Moderate | 0.96 | 0.95 | 0.98 | 0.93 |
| Â | High | 1 | 1 | 1 | 1 |
| Â | Low | 0.56 | 0.61 | 0.87 | 0.41 |
5 | Moderate | 0.95 | 0.97 | 0.94 | 0.96 |
| Â | High | 1 | 1 | 1 | 1 |
| Â | Low | 0.5 | 0.48 | 0.69 | 0.41 |
6 | Moderate | 0.85 | 0.84 | 0.87 | 0.81 |
| Â | High | 1 | 1 | 1 | 1 |
| Â | Low | 0.4 | 0.43 | 0.75 | 0.22 |
7 | Moderate | 0.92 | 0.95 | 0.96 | 0.85 |
| Â | High | 1 | 1 | 1 | 1 |
| Â | Low | 0.13 | 0.17 | 0.06 | 0.16 |
8 | Moderate | 0.46 | 0.5 | 0.47 | 0.44 |
| Â | High | 1 | 1 | 1 | 1 |