Penelitian ini merupakan penelitian kuantitatif dengan menggunakan desain Quasi Eksperimental, penelitian ini dilaksanakan di kelas V SDN Dalpenang 1 Sampang yang berjumlah 60 siswa. Teknik pengambilan sampel menggunakan solvin. Sampel diambil sebanyak 2 kelas. Instrumen yang digunakan adalah tes pilihan ganda, angket respon siswa dan observasi. Rata-rata hasil nilai posttest yang diperoleh siswa di kelas eksperimen yaitu mencapai 81,3 sedangkan kelas kontrol yaitu 70,8. Angket respon siswa terhadap pembelajaran pendekatan critical thinking didapatkan nilai rata-rata persentase mencapai 90%. Dapat disimpulkan bahwa respon siswa sangat baik. Hasil dari observasi aktivitas siswa diperoleh hasil rata-rata nilai 86,53 pada pertemuan pertama sedangkan pertemuan kedua memperoleh rata-rata nilai 90,70 dan dari kedua pertemuan tersebut dikategorikan sangat baik. Dari hasil tersebut menunjukkan aktivitas siswa terlaksana dengan baik dan siswa sangat tertarik. Hasil penelitian berdasarkan perhitungan uji signifikansi (uji t), maka diperoleh nilai thitung sebesar 12,95 dan ttabel = 2,064. Dengan nilai thitung dan ttabel diperoleh thitung> ttabel, ini berarti Ho ditolak. Sehingga Hasil penelitian menunjukkan bahwa ada pengaruh yang signifikan penerapan pendekatan critical thinking pada mata pelajaran PKn terhadap hasil belajar siswa kelas V SDN Dalpenang 1 Sampang. Kata kunci: Pendekatan Critical Thinking, PKn, Hasil Belajar

This research is a quantitative research which is using Quasi Experimental design, this research is conducted in the fifth grade of SDN Dalpenang1 Sampang which amounts to 60 students. The sampling technique uses solvin. Samples taken in two classes. The instruments used were multiple choice test, student response questionnaire and observation. The average of posttest result obtained by the students in the experimental class is 81.3 while the control class is 70.8. Questionnaire responses students to learning approaches critical thinking obtained average percentage value reached 90%. It can be concluded that student response is very good. The result of student activity observation was obtained the average result of 86,53 at the first meeting while the second meeting got the average value 90,70 and from both meetings was categorized very good. From the observation result of student activity showed that the learning activity was done well and the students were very interested. The results of research based on the calculation of significance test (t-test), then obtained tcount of 12,95 and ttable = 2.064. With tcount and ttable value obtained tcount > ttabel, it means that the objective hypothesis (Ho) is rejected. So the results showed that there is a significant effect of applying the critical thinking approach on the subject of Civics education to the results of students learning in fifth grade of SDN Dalpenang 1 Sampang. Keywords: Critical Thinking Approach, Civics Education, Learning Outcomes.

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