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The risks of thoroughness: Reliability and validity of global ratings and checklists in an OSCE

✍ Scribed by J. P. W. Cunnington; A. J. Neville; G. R. Norman

Publisher
Springer Netherlands
Year
1996-1997
Tongue
English
Weight
475 KB
Volume
1
Category
Article
ISSN
1382-4996

No coin nor oath required. For personal study only.

✦ Synopsis

Objective:

To compare checklists against global ratings for student performance on each station in an osce without the confounder of the global rating scorer having first filled in the checklist.

Method:

Subjects were 96 medical students completing their pre-clinical studies, who took an 8 station clinical osce. 39 students were assessed with detailed performance checklists; 57 students went through the same stations but were assessed using only a single global rating per station. a subset of 39 students were assessed by two independent raters.

Results:

Inter-rater and inter-station reliability of the global rating was the same as for the checklist. correlation with a concurrent multiple choice test was similar for both formats.

Conclusion:

The global rating was found to be as reliable as more traditional checklist scoring. a discussion of the validity of checklist and global scores suggests that global ratings may be superior.

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