UNSW MedEd Interest Group

A UNSW network group for staff interested in medical education.

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What can we learn from test results using item response theory?

Posted by on August 10th, 2011 · General messages, Seminar series information

MedEd meeting Tues 9th at 8am in LG03 WW  – Phil Jones will presented on:

What can we learn from test results using item response theory?

The primary purpose of test results is to provide data, which are used to judge a student’s achievement in a particular field of study. Although these judgements carry considerable consequences, typically little attention is given to confirming the validity of the test results.  As researchers we employ a range of techniques to confirm the validity of empirical data but as teachers we uncritically accept test data. The use of item response theory, specifically the Rasch model, will be demonstrated using test data from the final written examination in the Medicine program. The detection of anomalies in the test data and their implications for item and test design and student learning will be discussed.  Other potential roles of the Rasch model including equating tests, tracking student performance over time and detecting rater effects will be briefly outlined.

My apologies but tea and coffee not available – sink etc have been removed/ blocked off for the upcoming renovations/ building work = pls grab one on the way in if you can!

The next scheduled meeting is Wednesday 14 September, STInG-SoLT Group * meeting at 11-12 and MedEd at 12-1pm. SG R 6, Matthews Building,  hope to see you there.

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