Development of Problem-Based Learning Device To Improve MetacognitionAbility

The research aimed to produce: (1) a valid, practical, and effective problem-based learning devicedevelopment product; (2) students’ metacognition abilities improvements by using problem-basedlearning device that have been developed. this research is a development research. the development ofproblem-based learning device using 4-d models. the products that are produced in this study such asstudent text book, teacher guide book, lesson plan, student activity sheets, and metacognition ability tests.the subjects in this research were students of second year at state senior high school 2 binjai. the resultof the first and the second trials are: (1) the problem-based learning device were met the valid, practical,and effective criteria; (2) there was an improvement of students’ metacognition abilities by obtained fromthe n-gain score in the medium category.