4. Sharing reliable and
valid OSCE stations is
ME equipped for it?
Dr Thomas JB Kropmans
Senior lecturer MIME, National University of Ireland/
CEO Qpercom Ltd
5. Methods
• Signed NDA with 20 Universities
• 12 responded positively despite NDA
• 50% negotiated anonymity in data analysis
• QA (quantitative) penultimate year 16-17
• Classical psychometrics
• G-theory analysis
• 2 way symmetric design Students X Observations (R)
• Absolute G-coefficient plus SEM
8. Standard Error of
Measurement
Where we should use the 95%
CI around the ‘observed score’
86% 47%
96% 48%
91% 25%
92% 59%
71% 46%
95% 45%
97% 75%
89% 54%
90% 59%
100% 44%
72%% 46%
86%