Authors:
N. Lohgheswary,A. S. Fatin Nur Diana,A. Wei Lun,DOI NO:
https://doi.org/10.26782/jmcms.spl.9/2020.05.00013Keywords:
Analysis,Computational and Numerical Analysis,Difficult topics,Final Exam,Rasch model,Abstract
Computational and Numerical Analysis is one of the core topics for Computational Mathematics in Engineering Mathematics. Students required to learn different methods of analysis as well as MATLAB programming to solve a given problem. The objective of this paper is to analyze the final exam questions of Computational and Numerical Analysis subject. There are four course outcomes for the Computational and Numerical Analysis subject. Five questions were set for final and each question carries 20 marks. The Bloom Taxonomy for the questions are from comprehension, application, analysis and synthesis level. A total of 115 students from Chemical Engineering and Mechanical Engineering departments took the final examination. To analyze this subject, the results of the final examination of students from Chemical and Mechanical Engineering departments are tabulated in EXCEL and transformed into WINSTEPS. The Computational and Numerical Analysis questions can be categorized into four groups. They are difficult, mediocre, easy and very easy. The ability of the Chemical and Mechanical Engineering students cannot be divided into any group. A misfit item is identified from Point-Measure Correlation, Outfit MNSQ and Outfit z-Standard. Since one item is out of the three measures, therefore there is one misfit question for the Computational and Numerical Analysis final examination. The person-item distribution map showed the questions which belong to difficult, mediocre, easy and very easy group. Generally Course Outcome 1 was difficult for the students. This question is from the analysis level from Bloom Taxonomy. Course Outcome 2 was average and Course Outcome 3 was easy for this batch of students. The Rasch model able to classify the difficulty level of questions versus the Course Outcomes of Computational and Numerical Analysis subject.Refference:
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