What are Global Rating Scores? In clinical skills or observational assessment, apart from item score sheets, Global Rating Scores (GRS) are used. A GRS reflects the professional opinion of the examiner once they have completed the item score list. This list...
“Current data-based methods of analysis and predictive models are insufficient – big data is able to remedy this. ” – Dr. Alexander Lenk Pass/fail decisions by faculty are mostly based on the ability of students to pass or fail prior to (Angoff) or post standard...
What is the Standard Error of Measurement (SEM)? The Standard Error of Measurement (SEM) indicates the amount of error around the observed score. The observed score, the score we retrieve, store and analyse from an OSCE, is in fact the result of the true score and...
What is Borderline Regression Analysis? Borderline regression analysis (BRA) is an absolute, examinee-centered standard setting method widely used to standard set OSCE exams, Yousuf, Violato, and Zuberi (2015). Candidates are awarded a “global score” for a station in...
The Standard Error of Measurement (SEM) indicates the amount of error around the observed score. The observed score, the score we retrieve, store and analyse from an OSCE, is in fact the result of the true score and error around this true score. If we want a reliable decision around passing or failing a station […]
Borderline regression analysis (BRA) is an absolute, examinee-centered standard setting method widely used to standard set OSCE exams, Yousuf, Violato, and Zuberi (2015). Candidates are awarded a “global score” for a station in a circuit, based on the examiner’s professional judgment of their ability. Borderline Regression Method is illustrated above using item score on the […]