Özet:

The aim of this study is to develop a valid and reliable Achievement Test (AT) that can measure students' achievement according to the Revised Bloom Taxonomy (RBT) for the ''Electrical Circuit Elements'' unit in the 5th Grade Science Curriculum. The study was carried out with general scanning model, one of the scanning models based on quantitative research methods. For the content validity of the test, an indicator table was prepared and examined by science teachers and science education experts. The pilot implementation of AT, which item spelling and corrections were made, was carried out with a total of 255 6th grade students. At the end of the pilot application, the items were analyzed and the discrimination and difficulty values were found. The average item difficulty of the developed AT was calculated as 0.637, the average item discrimination as 0.551, and the KR-20 value as 0.876. As a result of the analysis of the items, a medium difficulty, very well discriminating and highly reliable AT consisting of 26 multiple-choice items was developed. AT can be used as a measurement tool prepared for the relevant unit in the curriculum. In addition, it can be suggested to ask students by adding open-ended questions that include all cognitive process categories of RBT to AT, which consists of multiple choice items.

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