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All Journal Early Childhood Research and Practice Journal Focus Action of Research Mathematic (Factor M)
Putriani, Desi
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Education Mathematics Other

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Cognitive assessment development: item analysis with classical and modern theories Putriani, Desi; Putra, Riza Dhifa Alzabarjud; Anjani, Karlina; Sari, Yurizka Melia
Journal Focus Action of Research Mathematic (Factor M) Vol. 8 No. 1 (2025): Vol. 8 No. 1 (2025)
Publisher : Universitas Islam Negeri (UIN) Syekh Wasil Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30762/f_m.v8i1.2668

Abstract

Understanding geometric concepts, particularly angles in circles, is fundamental in junior high school mathematics and is crucial in enhancing students' higher-order thinking skills. Assessing students’ cognitive understanding requires valid and reliable instruments that align with curriculum standards and student abilities. This study aims to construct and characterise a cognitive test instrument on angle material in circles through item analysis using Classical Test Theory with Microsoft Excel and Modern Test Theory with RStudio. A mixed-methods approach combining qualitative and quantitative techniques was used to collect data through observation and item analysis. The test instrument consists of five items to measure students’ understanding and analytical abilities. Content validation using the Aiken formula yielded an Aiken index of 1 for each item, indicating all items were valid. Classical analysis showed that items 1 and 3 were difficult, while items 2, 4, and 5 were of medium difficulty. Using the Partial Credit Model (PCM), all items fell within the medium-hard difficulty range. Power differential analysis revealed that item 3 was poorly constructed and should be removed. The results demonstrate that the developed instrument is valid and can differentiate levels of student understanding. This test is expected to support efforts to improve mathematics learning and better prepare students for numeracy literacy components in the Minimum Competency Assessment (MCA). The instrument also provides a framework for developing similar tools in other areas of mathematics education to enhance the accuracy of student learning evaluations.
Meningkatkan Kemampuan Mengenal Huruf Melalui Media Biji Kopi (PTK Di PAUD Sinar Kungkai Kabupaten Seluma) Putriani, Desi; Margaretha, Lydia; Asnawati, Asnawati
Early Childhood Research and Practice Vol 6 No 1 (2025): Early Child Research and Practice, Juli
Publisher : Fakultas Keguruan dan Ilmu Pendidikan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/ecrp.v6i1.8625

Abstract

The purpose of this study was to determine the improvement in children's ability to recognise letters through the use of coffee beans at the Sinar Kungkai Early Childhood Education Centre in Seluma Regency. This study was a classroom action research (CAR) study using a cyclical procedure. The subjects of this study were 11 children in Group B at the Sinar Kungkai Early Childhood Education Centre. The research was conducted over two cycles, each consisting of two meetings. Data analysis was performed using both qualitative and quantitative descriptive methods, with the qualitative analysis focusing on determining the improvement in the process, expressed as a predicate, while the quantitative analysis was used to determine the improvement in outcomes using percentages. Based on the research results, the improvement in children's ability to recognise letters through the use of coffee beans as a teaching aid at PAUD Sinar Kungkai was as follows: in Cycle I, Session I, the percentage was 38.06%; in Cycle I, Session II, the percentage was 44.31%; in Cycle II, Session I, the percentage was 63.02%; and in Cycle II, Session II, the percentage was 81.81%. The conclusion of this study is that the use of coffee bean media in learning can improve children's ability to recognise letters at PAUD Sinar Kungkai in Seluma District, as evidenced by an increase in Cycle II Session II with a percentage achievement of 81.81% and a very good development criterion (BSB).
Co-Authors Anjani, Karlina Asnawati Asnawati Dessyana Kardha Lydia Margaretha Putra, Riza Dhifa Alzabarjud Yurizka Melia Sari