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Distractor Efficacy, Difficulty and Discrimination Index of MCQ in Anatomy Formative Assessment: A Descriptive Analysis

Pushpalatha K null, Sunil Kumar D null, Manjunatha B null, Deepa Bhat

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Attribution-Non-commercial 4.0 International (CC BY-NC 4.0)

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Indian Journal of Anatomy 13(1):p 07-14, January – March 2024. | DOI: https://doi.org/10.21088/ija.2320.0022.13124.1

How Cite This Article:

Pushpalatha K, Sunil Kumar D, Manjunatha B. Distractor efficacy, difficulty and discrimination index of MCQ in anatomy formative assessment: a descriptive analysis. Ind J Anat. 2024;13(1):7-14.

Timeline

Received : January 23, 2024         Accepted : February 20, 2024          Published : May 30, 2024

Abstract

Background: Anatomy is the foundation stone of medical education, and assessing anatomy competency is essential. Assessment tools should fulfill objectivity, reliability, validity, and test higher cognitive skills. Assessment is a very significant component of education. To correctly judge the knowledge and skill of learners, assessment should be valid and should judge the appropriate levels of cognition. A large portion of the curriculum is assessed in a short period of time, requiring less effort from the student. However, it takes a lot of effort and time for the examiner to make high quality MCQs. Properly constructed multiple-choice questions assess higher-order cognitive processing of Bloom's taxonomy, such as interpretation, synthesis, and application of knowledge, instead of just testing recall of isolated facts

Methods: Hundred MCQ’s from internal examinations of anatomy papers were analyzed for difficulty index, discrimination index (DI), and distractor efficiency (DE).

 Results: In the present study, out of 100 MCQs, 19 were difficult, 60 were acceptable, and 21 were easy. 25 items did not discriminate against high achievers versus low achievers, 37 were acceptable, and 38 were highly discriminatory. There was a low positive correlation between the Difficulty Index and the Discrimination Index in tests two and three. However, there was a negligible correlation in tests one, four, and five.

Conclusion: Item analysis of the MCQs performed after the assessment provides insight into test item reliability and validity. In addition, it indicates how difficult or easy the questions were


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Data Sharing Statement

There are no additional data available. All raw data and code are available upon request.

Funding

This research received no funding.

Author Contributions

Whether all authors contributed significantly to the work and approve its publication.

Ethics Declaration

This article does not involve any human or animal subjects, and therefore does not require ethics approval.

Acknowledgements

We would like to express our gratitude to the patients, their families, and all those who have contributed to this study.

Conflicts of Interest

The authors report no conflicts of interest in this work.


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Cite this article

Pushpalatha K, Sunil Kumar D, Manjunatha B. Distractor efficacy, difficulty and discrimination index of MCQ in anatomy formative assessment: a descriptive analysis. Ind J Anat. 2024;13(1):7-14.


Licence:

Attribution-Non-commercial 4.0 International (CC BY-NC 4.0)

This license enables reusers to distribute, remix, adapt, and build upon the material in any medium or format for noncommercial purposes only, and only so long as attribution is given to the creator.



Received Accepted Published
January 23, 2024 February 20, 2024 May 30, 2024

DOI: https://doi.org/10.21088/ija.2320.0022.13124.1

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Received January 23, 2024
Accepted February 20, 2024
Published May 30, 2024

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Attribution-Non-commercial 4.0 International (CC BY-NC 4.0)

This license enables reusers to distribute, remix, adapt, and build upon the material in any medium or format for noncommercial purposes only, and only so long as attribution is given to the creator.



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