Differential Item Functioning Results May Change Depending on How an Item Is Scored: An Illustration with the Center for Epidemiologic Studies Depression Scale.

Gelin, Michaela N.; Zumbo, Bruno D.

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Peer reviewed

ERIC Number: EJ669063

Record Type: Journal

Publication Date: 2003

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Abstractor: N/A

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ISSN: ISSN-0013-1644

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Differential Item Functioning Results May Change Depending on How an Item Is Scored: An Illustration with the Center for Epidemiologic Studies Depression Scale.

Gelin, Michaela N.; Zumbo, Bruno D.

Educational and Psychological Measurement, v63 n1 p65-74 Feb 2003

Investigated potentially biased scale items on the Center for Epidemiological Studies Depression scale (CES-D; Radloff, 1977) in a sample of 600 adults. Overall, results indicate that the scoring method has an effect on differential item functioning (DIF), and that DIF is a property of the item, scoring method, and purpose of the assessment. (SLD)

Descriptors: Depression (Psychology), Item Bias, Scoring, Test Items, Test Use

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: N/A

Language: English

Sponsor: N/A

Authoring Institution: N/A

Identifiers - Assessments and Surveys: Center for Epidemiologic Studies Depression Scale

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Author Affiliations: N/A