The Effects of Linguistic Factors on Student Performance on Economics Multiple Choice Questions
24 Pages Posted: 1 Aug 2012
Date Written: July 17, 2012
Abstract
This paper proposes a framework to analyse performance on multiple choice questions with the focus on linguistic factors. Item Response Theory (IRT) is deployed to estimate ability and question difficulty levels. A logistic regression model is used to detect Differential Item Functioning questions. Probit models testify relationships between performance and linguistic factors controlling the effects of question construction and students’ background. Empirical results have important implications. The lexical density of stems affects performance. The use of non-Economics specialised vocabulary has differing impacts on the performance of students with different language backgrounds. The IRT-based ability and difficulty help explain performance variations.
JEL Classification: A22
Suggested Citation: Suggested Citation
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