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Abstract

Laboratory-based learning is learning that aims to develop an understanding of scientific content, problem-solving skills, science skills and understanding. This study aims to determine the effect of guided inquiry laboratory on critical thinking skills in terms of students' initial abilities in the material reaction rate. The research design used was a quasi-experimental posttest. Sampling using cluster random sampling technique is the students of class XI semester 1 one of the public high schools in Malang City. Hypothesis testing used two-way ANOVA with SPSS 22 for windows. The results showed that there was an interaction between the learning strategy and the prior knowledge of students' critical thinking skills.

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