Table 1 Stability of OSCE Stations for Two Years on Item Response Calibrated Discrimination and Difficulty for a 2-Parameter Logistic Model
OSCE Station | Mean Discrimination and Difficulty Time 1 | Mean Discrimination and Difficulty Time 2 | Grand Mean Discrimination and Difficulty (T1 and T2) | Number Items | |||||
|---|---|---|---|---|---|---|---|---|---|
Disc† | Diff†† | Disc | Diff | Disc | SE | Diff | SE | ||
Station A | .61 | -.95 | .56 | −1.18 | .59 | .013 | −1.01 | .229 | 21 |
Post-Cardiac Event Counseling | |||||||||
Station B | .62 | −2.26 | .60 | −2.00 | .61 | .015 | −2.11 | .159 | 14 |
Life Change (Menopause) | |||||||||
Station C | .58 | -.15 | .62 | -.51 | .60 | .019 | -.33 | .235 | 24 |
Stomach Pain | |||||||||
Station D | .70 | -.33 | .74 | -.60 | .72 | .010 | −47 | .195 | 30 |
Fatigue / Depression | |||||||||
Station E | .63* | -.23 | .57* | -.40 | .60 | .011 | -.32 | .267 | 24 |
Hand Injury | |||||||||
Station F | .57 | -.56 | .57 | -.80 | .57 | .012 | -.68 | .266 | 27 |
Urinary Infection | |||||||||