Grades Are Not Normal : Improving Exam Score Models Using the Logit-Normal Distribution / Noah Arthurs, Ben Stenhaug and Sergey Karayev.

Understanding exam score distributions has implications for item response theory (IRT), grade curving, and downstream modeling tasks such as peer grading. Historically, grades have been assumed to be normally distributed, and to this day the normal is the ubiquitous choice for modeling exam scores....

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Bibliographic Details

Online Access:	Full Text (via ERIC)
Main Authors:	Arthurs, Noah, Stenhaug, Ben (Author), Karayev, Sergey (Author), Piech, Chris (Author)
Format:	eBook
Language:	English
Published:	[Place of publication not identified] : Distributed by ERIC Clearinghouse, 2019.
Subjects:	Grades (Scholastic) Scores. Statistical Distributions. Models. Item Response Theory. Grading. Undergraduate Students.