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Paper Details

Effect of Item Arrangement on Test Reliability Coefficients: Implications for Testing

Naibi, Louisa

Journal Title:Journal of Research in Education and Society
Abstract


This study investigated the effects of two types of item arrangement formats (ascending and specified mixed order) via test scores, on the two types of test reliability coefficients (test-retest and Kuder Richardson 20). A repeated measures two-group within-subject design was used, with a sample of four hundred and eighty (480) secondary school students from three Local Government Areas in Bayelsa State, South-South Nigeria. A 40-item Mathematics Achievement Test was used to gather data, which was analyzed using the z-test and the t-formula for testing the significance of reliability coefficients. The study finds significant effect on test scores, with the specified mixed order format having significantly higher scores, but found no effect on either of the reliability coefficients. It is recommended that item arrangement be strictly considered when constructing tests in schools and for standardized examinations

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