“…This is also in line with opinion (Ariawan, 2016) that the group investigation type cooperative model made students active in constructing their knowledge, able to structure and solve problems through critical, creative, analytical, and productive thinking. This is supported by the findings (Lestari, 2019) which showed that through the group investigation model students were allowed to be scientific by developing curiosity, honesty, openness, diligence, and thoroughness. The group investigation learning model provided an opportunity for students to determine their problems and required students to find solutions through systematic steps so that through this process students were trained in using critical thinking skills.…”