Ratna Kumala Dewi, Sri Rahayu, Muntholib Muntholib, Woro Sumarni
This study aims to develop a valid and practical Ethno-SSI integrated inquiry strategy to improve the critical thinking skills of prospective chemistry teachers. The research method used is Plomp’s research and development model, with a convenience sampling technique obtained from a sample of 52 prospective chemistry education teachers at one of the universities in Indonesia. Data was collected through observation, a critical thinking test, and a questionnaire. Data analysis was carried out qualitatively and quantitatively. The results of strategy development obtained a new syntax called OETACA (orientation, exploration, transformation, argumentation, conclusion, and application) with a content validity score of 0.83 and construct 0.93. The results of improving critical thinking skills on a small scale get an N-Gain score of 0.7 in the high category supported by the perceptions of prospective chemistry teachers who strongly agree (43%) and agree (41%) to implement the Ethno-SSI integrated inquiry strategy in chemistry learning in the classroom. © 2025 Atlantis Livros Ltda.. All rights reserved.
State University of Malang, Chemistry Education Study Program, Malang, Indonesia; UIN SATU Tulungagung, Chemistry Education Study Program, Tulungagung, Indonesia; State University of Semarang, Chemistry Education Study Program, Semarang, Indonesia
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