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Decision study modelling changes estimates of a +/- 95% confidence interval (=SEM × 1.96) around cut score (4/7) and reliability when increasing the numbers of MMI questions manned by a single interviewer
| No. of MMI stations | Estimate of SEM × 1.96 to provide +/- 95% confidence interval around cut score | G Coefficient |
|---|---|---|
| 4 |
1.07 |
0.61 |
| 6 |
0.88 |
0.70 |
| 8 |
0.76 |
0.76 |
| 10 |
0.68 |
0.80 |
| 12 | 0.62 | 0.82 |
