Table 2 The cut score, number of failures, pass rate, average grades and p value before and after rescaling for each method
From: Evaluating the validity evidence of an OSCE: results from a new medical school
Method 1 | Method 2 | P value | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Station Number | Cut score % | Number of failures | Pass rate % | Average grade | Cut score % | Number of failures | Pass rate % | Average grade before rescaling | Average grade after rescaling | Before rescaling | After rescaling |
1 | 60 | 1 | 98.11 | 84.981 | 72 | 3 | 94.33 | 80.73 | 74.509 | 0.4 | 5.60E-08 |
2 | 60 | 3 | 94.33 | 84.052 | 60 | 1 | 98.11 | 85.03 | 85.031 | 0.7 | 0.70337 |
3 | 60 | 8 | 84.9 | 72.151 | 53 | 7 | 86.79 | 77.36 | 80.83 | 0.8 | 0.00305 |
4 | 60 | 2 | 96.22 | 74.986 | 70 | 10 | 81.13 | 68.7 | 66.528 | 0.4 | 1.97E-06 |
5 | 60 | 0 | 100 | 84.277 | 67 | 0 | 100 | 83.47 | 79.364 | 0.2 | 0.00347 |
1–5 | 60 | 0 | 100 | 79.239 | 65.2 | 0 | 100 | 77.76 | 75.632 | 0.2 | 0.00108 |