PARALLELISM AMONG THREE MATHEMATICS TEST FORMS: ANALYSIS OF STATISTICAL MEASURES

Robert Osman Iddrisu, Umar Safianu Abukari, Simon Alhassan Iddrisu

Abstract


This study sought to determine the degree of parallelism using three forms of objective-type tests constructed in mathematics and a criterion test in Religious and Moral Education. A total of ninety-three (93) examinees participated in the study. The psychometric measures (characteristics) of these three forms of tests were estimated, compared and used to determine the degree of parallelism of these three forms of tests. Means and equality of variances of the three forms of the test were determined using analysis of variances (ANOVA). We also estimated and compared the covariance of the three test forms, AB, AC, and BC. Finally, we estimated and compared the inter-correlation of each of the three test forms with the criterion test. The results showed that while the variances displayed some degree of equality, the means, covariance, and inter-correlations were not equal. The three test forms are congeneric types of parallel tests. Even though the content and variances of the three test forms were equal, other statistics could not qualify them for any other degree of parallelism.

 

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congeneric, parallelism, statistical measures, test forms

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References


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DOI: http://dx.doi.org/10.46827/ejes.v12i5.5947

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