An analysis of writing task scores

College

College of Science

Department/Unit

Mathematics and Statistics Department

Document Type

Archival Material/Manuscript

Publication Date

2006

Abstract

More than two thousand students wrote an essay which was graded by four independent individuals. Each individual or marker could give scores from 0 to 6 but no student got a score of 0 while very few were awarded a score of 6. In this paper, scores of 200 randomly chosen students were used and the score from each marker were treated as independent and identically distributed observations [Daley, 20023]. Aside from looking at the descriptive and frequencies of the data, the Partial Credit Model and a one factor model were used to measure the ability of each student. The former model also gave a measure of the difficulty of getting, a particular score under a particular marker.

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Disciplines

Mathematics

Note

Undated; Publication/creation date supplied

Keywords

Writing--Evaluation; Educational tests and measurements

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