Table 4 Learner response data analysis by IRT
From: On the usefulness of CDA-based score reporting: implications for self-regulated learning
| Â | Mean difficulty | Mean discrimination | Test-taker ability |
|---|---|---|---|
Mean | −0.561 | 1.009 | 0.078 |
Standard deviation | 1.005 | 0.413 | 0.905 |