Since Indonesian students’ critical thinking skills in junior high school is still in unexpected level, it should be improved through teaching and learning process. The objective of the study is finding out the influence of problem centered learning approach toward students’ mathematical critical thinking ability. Every student should have mathematical critical thinking skills to make mathematics lessons are easier. Using the critical thinking skills will help students improving problem solving skills. However, the current critical thinking ability of junior high school students is still low. This research used quasi experimental design with Static Group Comparation type. The research sample consisted of two classes with each class of 35 students. The research instrument consists of six questions which indicate a mathematical critical thinking ability. Data analysis of this study used the Mann-Whitney test. The results of the study indicate that there is an effect of the problem-centered learning approach on the students' mathematical critical thinking ability with testing criteria is high.
Penelitian ini bertujuan untuk mengkaji kemampuan komunikasi matematis siswa SMK yang ditinjau dari tipe kepribadian extrovert dan introvert. Metode yang digunakan dalam penelitian ini adalah metode desktriptif kualitatif. Subjek dalam penelitian ini diambil menggunakan teknik purposive random sampling 6 orang siswa dari kelas XI SMK di Kabupaten Bogor dengan tipe kepribadian berbeda yaitu tiga siswa dengan tipe kepribadian extrovert dan tiga siswa dengan tipe kepribadian introvert yang diambil menurut tes kepribadian Eysenck yaitu Eysenck Persoality Inventory (EPI). Hasil penelitian ini menunjkan bahwa kecenderungan kemampuan komunikasi matematis tertulis siswa yang memiliki tipe kepribadian Introvert dalam menyelesaikan soal mampu menuliskan informasi dan sangat mampu memahami maksud dari soal tersebut, sedangkan siswa yang memiliki tipe kepribadian Extrovert dalam menyelesaikan soal mampu menuliskan informasi dan mampu memahami maksud soal tersebut
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.