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Definitions Assessment : student assessment Introduction to Student Assessment Evaluation = Measurement + Judgement g : course evaluation : curriculum evaluation Measurement Danai Wangsaturaka, MD PhD The Faculty of Medicine, Chulalongkorn University dwangsaturaka@gmail.com Danai Wangsaturaka, MD PhD Spotlight on… Why Assess ? • • • • To classify student achievement - pass/fail - A, A B, B C, C D, D F To motivate student learning To provide feedback to students To provide feedback to teachers WHEN Danai Wangsaturaka, MD PhD Why Assess ? Summative Formative Making judgement Provide feedback Danai Wangsaturaka, MD PhD Danai Wangsaturaka, MD PhD Danai Wangsaturaka, MD PhD How to Assess Assessment methods or Assessment instruments Danai Wangsaturaka, MD PhD 1 Written Exams Written Exams Selected Response Questions (SRQs) Selected Response Questions (SRQs) Constructed Response p Q Questions ((CRQs) Q) Constructed Response p Q Questions ((CRQs) Q) short answer questions Any questions requiring a candidate to generate an answer rather than select from a small set of options (Bennet & Ward, 1993) essays, referral letters, etc. MEQs, PMPs Danai Wangsaturaka, MD PhD Danai Wangsaturaka, MD PhD How to Assess Assessment methods • written examination • computer-based p exam • oral examination • long case examination • OSCE • direct observation • portfolio assessment Assessment instruments • MCQs • EMIs • MEQs • Checklist • Rating scales • Scoring rubrics Danai Wangsaturaka, MD PhD Some Methods/Instruments • • • • • • • • • Checklist Yes/No Rating scales 1 = very poor, 10 = very good Scoring rubrics 1 = …………………………… 2 = …………………………… 3 = …………………………… Danai Wangsaturaka, MD PhD Who is best placed to assess ? Depend on what and why we assess • paper-based/computer-based • self lf • teacher • peer • co-worker • customer 360 degree incognito customers mini-CEX DOPs OSCE portfolio Danai Wangsaturaka, MD PhD Danai Wangsaturaka, MD PhD How to Assess Danai Wangsaturaka, MD PhD 2 When to Assess Depend on why we assess • end of course • continuous assessment • flexible • frequency Principle of Educational Assessment Danai Wangsaturaka, MD PhD The Faculty of Medicine, Chulalongkorn University Danai Wangsaturaka, MD PhD Reliability (Reproducibility) Reliability (Reproducibility) When you measure something repeatedly and you always get the same results, your results are reliable. li bl It can be measured by: - different investigators/assessors - the same assessor but on different occasions Danai Wangsaturaka, MD PhD Reliability (Reproducibility) Danai Wangsaturaka, MD PhD Reliability (Reproducibility) Some suggestions Why does it matter to our students? Danai Wangsaturaka, MD PhD Danai Wangsaturaka, MD PhD Do not rely on short tests Do not rely on tests with few items Danai Wangsaturaka, MD PhD 3 Validity test test result Developing blueprint • One-dimension - discipline-based - use of cognitive level interpretation (recall, interpretation, problem-solving) intention • Two-dimension Does it measure what it is intended to measure? Choose the test according to the objective Danai Wangsaturaka, MD PhD Danai Wangsaturaka, MD PhD Hx PE Dx Ix Mx Total Hx PE Dx Ix Mx Total 1. 2. 3. 4. 5. Infection Neoplasm RS CVS GI 1. 2. 3. 4. 5. Thyroid Breast Esophagus Stomach S Small bowels 6. 7. 8. 9. GU Neuro Psychiatry Endocrine 6. 7. 8. 9. Large bowels Pancreas Liver Vascular TOTAL TOTAL Danai Wangsaturaka, MD PhD Principles of Educational Assessment • • • • • Reliability Validity A Acceptability t bilit Educational impact Cost Danai Wangsaturaka, MD PhD Principles of Educational Assessment U = Rw x Vw x Aw x Ew Cw ( adapted from Van der Vleuten, 1996) Danai Wangsaturaka, MD PhD Danai Wangsaturaka, MD PhD Danai Wangsaturaka, MD PhD 4
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