Understanding Rasch Measurement: Rasch Techniques for Detecting Bias in Performance Assessments: An Example Comparing the Performance of Native and Non-native Speakers on a Test of Academic English.

Elder, Catherine; McNamara, Tim; Congdon, Peter

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Peer reviewed

ERIC Number: EJ675682

Record Type: Journal

Publication Date: 2003

Pages: N/A

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ISSN: ISSN-1529-7713

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Understanding Rasch Measurement: Rasch Techniques for Detecting Bias in Performance Assessments: An Example Comparing the Performance of Native and Non-native Speakers on a Test of Academic English.

Elder, Catherine; McNamara, Tim; Congdon, Peter

Journal of Applied Measurement, v4 n2 p181-97 2003

Used Rasch analytic procedures to study item bias or differential item functioning in both dichotomous and scalar items on a test of English for academic purposes. Results for 139 college students on a pilot English language test model the approach and illustrate the measurement challenges posed by a diagnostic instrument to measure English language achievement. (SLD)

Descriptors: College Students, Diagnostic Tests, English, Higher Education, Item Response Theory, Language Proficiency, Native Speakers, Performance Based Assessment, Test Bias

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: N/A

Language: English

Sponsor: N/A

Authoring Institution: N/A

Grant or Contract Numbers: N/A