Assessment of Peer-grading Valuation*
Case Code : CLOM017
Publication date : 2013
Subject : Operations
Industry : Education
Teaching Note : Available
Length : 03 Pages
Price : Rs. 100
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Peer-grading, Analysis of Variance (ANOVA), Business Statistics, Quantitative Methods, Rank Correlation, Missing Data/Missing Values, Hypothesis Testing, Statistical Analysis
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IBS faculty members G V Muralidhara and G Vijayudu decided to improve the attitude of the BBA students. The students were asked to give a presentation on the ‘Importance of Attitude’. The faculty members made the students responsible for grading each other. The collected grading data was given to Muthukumar, analyst, for analysis. This case study enables us to understand and analyze the gathered data to identify the highest graded student and compare each student's grading with the overall class’s grading.
G V Muralidhara (GVM), Faculty member of IBS , a well-known educational group in Hyderabad, India, was involved in teaching the MBA and BBA courses. While talking to another faculty member, G Vijayudu (Vijay), GVM remarked on the important role attitude played in the placement of students in companies. While GVM felt that the students were reasonably good in communication, he wondered whether they possessed the positive attitude that was so critical during selection by companies. He felt that students who lacked a positive attitude would suffer in terms of recruitment, team building skills, and leadership qualities. With a view to improving the students’ communication skills and attitude, GVM and Vijay scheduled and asked the students to give a presentation on the importance of attitude. This exercise was meant to create awareness on the subject and develop a good attitude among students.
The BBA V semester section ‘F’ consisted of 34 students (25 male and 9 female). As students were told that this would be part of their internal assessment, they prepared very well. Meanwhile, GVM told Vijay to go in for peer-grading instead of traditional teacher grading. Vijay argued against peer-grading saying students would give grading in arbitrary manner or would be biased toward their friends and might show favoritism. GVM, however, disagreed. He described the benefits of peer-grading. He said that a study by Philip M. Sadler and Eddie Good had shown that when student-grading was used responsibly, it could be highly accurate and reliable and help save teachers’ time. In their study, Sadler and Good had found that self-grading appeared to further student understanding of the subject matter being taught. Finally, GVM and Vijay decided to adopt peer-grading...
The case will help the students to:
1. understand how to deal with missing data.
2. compare each student’s grading with the overall class's grading and identify the highest cohered observation.
3. analyze whether the students did the grading in an arbitrary manner or not.
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