From: Investigation of answer changes on the USMLE® Step 2 Clinical Knowledge examination
Variable | Coefficient Estimate | Std. Error | OR | 95% Confidence Interval | P-value | ||
---|---|---|---|---|---|---|---|
W-R vs. R-W log odds | Intercept | 0.299 | 0.044 | < 0.0001 | |||
Ability: | High vs. Low | 0.226 | 0.046 | 1.25 | 1.15–1.37 | < 0.0001 | |
Medium vs. Low | 0.103 | 0.046 | 1.11 | 1.01–1.21 | 0.026 | ||
R-R vs. R-W log odds | Intercept | −2.830 | 0.125 | < 0.0001 | |||
Ability: | High vs. Low | 0.116 | 0.132 | 1.12 | 0.87–1.45 | 0.380 | |
Medium vs. Low | 0.032 | 0.134 | 1.03 | 0.79–1.34 | 0.809 | ||
W-W vs. R-W log odds | Intercept | 0.136 | 0.044 | 0.002 | |||
Ability: | High vs. Low | −0.491 | 0.048 | 0.61 | 0.56–0.67 | < 0.0001 | |
Medium vs. Low | −0.208 | 0.047 | 0.81 | 0.74–0.89 | < 0.0001 |