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Research Article Open Access

Developing an achievement test on length measurement

Gizem Nur Rençber Gizem Nur Rençber Corresponding Author Department Of Elementary Education, Department Of Classroom Education, Adnan Menderes University, Aydın, Türkiye ORCID 0000-0001-8003-3053 View Profile , Galip Genç Galip Genç Department Of Elementary Education, Department Of Classroom Education, Adnan Menderes University, Aydın, Türkiye ORCID 0000-0003-2447-4844 View Profile

Abstract

In this study, it was aimed to explain the development process of the achievement test related to the subject of measuring length in the 2nd grade mathematics course. Within the scope of the study, in line with the 2018 Primary School Mathematics Curriculum, the list of achievements related to the subject of measuring length in the second-grade mathematics course was determined and a specification table was created according to the achievements. In line with this table, 25 multiple-choice trial items were created. The items were placed in the test in accordance with the level of difficulty and face validity of the test after receiving expert opinion. A period of 30 minutes was determined for the implementation of the test. The test was applied one-to-one with the think aloud technique to 5 students who had studied the subject of length measurement in the 3rd grade. According to the results obtained in the applications, necessary arrangements were made on the points that were not understood in the items. For the application of the test, 211 students studying in the central primary schools in Efeler district of Aydın province in the second semester of 2021-2022 academic year were determined by random sampling method. The results of the test were analyzed by TAP test analysis program and Tetrachoric Factor analysis. Twenty-two items with an item discrimination index of 0.40 and above were included in the test. However, as a result of the tetrachoric factor analysis, 2 more items were removed from the test due to the fact that the items' Measure of Sampling Adequacy (MSA): value and item loadings were below the expected value. Thus, a final test consisting of 20 multiple-choice items was created to be used in the study. As a result of the reliability analysis of the test, the KR 20 value was found to be 0.85. The answer time of the test was determined as 25 minutes. It was revealed that the test is a valid and reliable test that can determine the achievement of 2nd grade students on the subject of length measurement.
Keywords: Length measurement Achievement test Validity and reliability

References

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