This research aims to？investigate effect of learning using？Natural Product Chemistry Laboratory Based on Sasambo Medicinal Plant (NPCL-SMP)？on？students’？metacognition skills. The research was conducted on sixth semester of 63 students of chemistry education program from one of the state universities？in West Nusa Tenggara, Indonesia in 2020/2021. Students are divided into A class (experimental class) and B class (control class). The implementation was carried out according to the conditions of the COVID-19 outbreak. The laboratory implementation results showed an increase in the students’？metacognition skills in the experimental class moderate and the control class as low. The experimental class students who received NPCL-SMP learning had better abilities in setting goals, making plans, and determining task completion strategies, compared to the control class who did conventional laboratory. We concluded that NPCL-SMP can improve the students’ metacognition？skills.
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