“…In cooperative learning, the teacher plays a role in giving freedom to students to think analytically, critically, creative, reflective and productive [18], [19]. Implementation of the cooperative learning strategy of Group Investigation in learning is generally divided into 6 (six) steps: (1) Identifying topics and organizing students into groups (students review information sources, select topics, promote information collection for teachers), (2) grouping, (3) conducting research (students finding knowledge, analyzing data, and drawing conclusions), (4) preparation of the final report, (5) presentation of the final report (presentations are made in different forms for the whole class), (6) evaluation (teachers and students work together in the evaluation of learning, assessments aimed at assessing conceptual understanding and critical thinking skills) [20]- [22]. Group investigation is a general planning plan where students work in small groups using helpful questions, group discussions, and cooperative design and projects.…”