Is There an Optimal Number of Alternatives for Likert Scale Items? Study I: Reliability and Validity

Jacoby, Jacob; Matell, Michael S.

doi:10.1177/001316447103100307

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Is There an Optimal Number of Alternatives for Likert Scale Items? Study I: Reliability and Validity

Author(s): Michael S. Matell , Jacob Jacoby

Publication date Created: July 02 2016

Publication date (Print): July 02 2016

Journal: Educational and Psychological Measurement

Publisher: SAGE Publications

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Most cited references 10

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Coefficient alpha and the internal structure of tests

Lee Cronbach (1951)

Psychometrika, 16(3), 297-334

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Number of Scale Points and the Reliability of Scales

S.S Komorita, William Graham (2016)

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On the Loss of Reliability in Ratings Due to Coarseness of the Scale.

P. Symonds (1924)

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Author and article information

Journal

Title: Educational and Psychological Measurement

Abbreviated Title: Educational and Psychological Measurement

Publisher: SAGE Publications

ISSN (Print): 0013-1644

ISSN (Electronic): 1552-3888

Publication date Created: July 02 2016

Publication date (Print): July 02 2016

Volume: 31

Issue: 3

Pages: 657-674

Article

DOI: 10.1177/001316447103100307

SO-VID: e848f96f-e94a-4bc2-a740-ec8cf2168bb2

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