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ERIC Number: EJ1145190
Record Type: Journal
Publication Date: 2012-Jan
Pages: 33
Abstractor: As Provided
Reference Count: 2
ISBN: N/A
ISSN: EISSN-1931-4744
The Impact of Grading on a Curve: Assessing the Results of Kulick and Wright's Simulation Analysis
Bailey, Gary L.; Steed, Ronald C.
International Journal for the Scholarship of Teaching and Learning, v6 n1 Article 11 Jan 2012
Kulick and Wright concluded, based on theoretical mathematical simulations of hypothetical student exam scores, that assigning exam grades to students based on the relative position of their exam performance scores within a normal curve may be unfair, given the role that randomness plays in any given student's performance on any given exam. However, their modeling predicts that academically heterogeneous students should fare much better than high achieving, academically homogenous students. We assess their conclusion indirectly using student scores from actual exams in actual university classes. We document that academically heterogeneous students do tend to perform at a similar level on different exams across a given semester: correlations among six different assessments were moderately strong and highly significant. We confirm their prediction that actual student scores for academically heterogeneous first-year students do not reveal gross random variation. We encourage similar analysis of scores for high achieving, academically homogeneous students.
Centers for Teaching & Technology at Georgia Southern University. IJ-SoTL, Georgia Southern University, Henderson Library 1301, Statesboro, GA 30460. e-mail: sotlij@georgiasouthern.edu; Web site: http://digitalcommons.georgiasouthern.edu/ij-sotl/
Publication Type: Journal Articles; Reports - Research
Education Level: Higher Education; Postsecondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A