Year: 2025 | Month: June | Volume: 12 | Issue: 6 | Pages: 457-470
DOI: https://doi.org/10.52403/ijrr.20250653
Development of Authentic Assessment Instruments to Measure Students' Critical Thinking Skills on Human Digestive System Material
Elfira Yulia Sasahan1, Masra Latjompoh2, Lilan Dama3, Elya Nusantari4, Margaretha Solang5
1,2,3,4,5Biology Education, Postgraduate, State University of Gorontalo, Gorontalo, Indonesia
Corresponding Author: Elfira Yulia Sasahan
ABSTRACT
This research is a development study aimed at producing an authentic assessment instrument on the human digestive system material that is valid, practical, and effective for measuring students' critical thinking skills. The development of the assessment instrument uses the Borg & Gall development model, with the resulting products including attitude assessment instruments, skill assessment instruments, student worksheets (LKPD), and critical thinking test instruments. The study was tested in Grade VIII at SMP Negeri Dayow and SMP Negeri Dumagin. Data collection instruments included validation sheets, observation sheets, student response questionnaires, and critical thinking skill test instruments. The results of the study show that: 1) The attitude assessment instrument, skill assessment instrument, critical thinking test, and LKPD were rated as highly valid by experts; 2) The practicality of the instruments is demonstrated by the implementation of learning by both teachers and students being in the "very good" category, as well as very positive student responses, indicating that the instruments are practical and ready to be used in the classroom; 3) In terms of effectiveness, the average scores of students' critical thinking skills in the limited and large-scale trials reached 62.50% and 64.09%, respectively, which fall into the high category, proving that the instruments are effective in measuring critical thinking ability. Write abstract/summary of your research paper here.
Keywords: Assessment Instruments, Authentic Assessment, Critical Thinking Skills
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