How does PBL Brainwriting Method Supplemented with Concept Mapping Effective to Improve Critical Thinking and Problem-Solving Ability?

This study aims to; 1) Determine the effectiveness of PBL brainwriting method supplemented with concept on improving students' critical thinking skills; 2) mapping problem solving; 3) and solving skill simultaneously; 4) To determine relationship between solving. type research is a quasi experiment, sampling using cluster technique. The instruments this used test questions ability ability. results MANOVA showed that there was significant simultaneous effects model skills, effective in here correlation skills.