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All Journal Ilmu Administrasi Publik Unnes Science Education Journal JURNAL MUQODDIMAH : Jurnal Ilmu Sosial, Politik dan Hummaniora Dynamic Management Journal
Chanifah, Siti
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Arts Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences Other

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Journal : Unnes Science Education Journal

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INVESTIGATION OF PRESERVICE TEACHERS’ CONCEPTUAL UNDERSTANDING IN STOICHIOMETRY USING MODIFIED CERTAINTY OF RESPONSE INDEX (CRI) Chanifah, Siti; Mulyatun, Mulyatun; Lathifa, Ulya
Unnes Science Education Journal Vol 8 No 2 (2019): July 2019
Publisher : Department of Integrated Science, Faculty of Mathematics and Natural Sciences, Universitas Negeri Semarang in Collaboration with Perkumpulan Pendidikan IPA Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/usej.v8i2.23278

Abstract

Conceptual understanding is very important for the preservice teachers to master it. Stoichiometry is one of the basic concepts in chemistry which applied to almost concepts. This study aims to determine the percentage of students who understand the concept, not understand the concept, and having misconceptions in stoichiometry. Furthermore, this research purposes to identify the type of misconceptions. To investigate students’ conceptual understanding, we use a modified CRI technique (diagnostic test with multiple choice and open reason with the scale of confidence level) and interview. The results show that the average percentage of students who understood the concept is 53.96%, having misconception is 16.20% and did not understand the concept is 29.83%. There are 19 types of misconceptions. The causes of misconceptions include deficiency impediment, ontological impediment, and fragmentation impediment.
Co-Authors Agung Budi agung budi Lathifa, Ulya Mulyatun Mulyatun Widiyarta, Agus