Improving the students’ creative thinking skills using problem based worksheet on the topic of environmental pollution

Ni Wayan Nila Sri Lestari, Noor Fadiawati, Tri Jalmo


Abstract: Improving the students’ creative thinking skills using problem based worksheet on the topic of environmental Pollution. Objectives: This research aims to investigate the effectiveness of problem based worksheet to improve students’ creative thinking skills on the topic of environmental pollution. Methods: Creative thinking skills were measured using four indicators: fluency, flexibility, originality and elaboration. The research was designed using the matching only pretest-postest control group design. The data of creative thinking skills were collected from pretest and posttest and analyzed using statistical analysis such as normality, homogenity, t-test, and Mann-Whitney test. Findings: Students’ elaboration skill showed the highest improvement related to the effect size (0.92) and n-gain value (0.73). Conclusion: The problem based worksheet is effective to improve students’ creative thinking skill.

Keywords: Worksheet, problem based learning, creative thinking skill.

Abstrak: Meningkatkan keterampilan berpikir kreatif siswa menggunakan lembar kerja berbasis masalah pada topik polusi lingkungan. Tujuan: Penelitian ini bertujuan untuk menyelidiki efektivitas lembar kerja berbasis masalah untuk meningkatkan keterampilan berpikir kreatif siswa pada topik pencemaran lingkungan. Metode: Keterampilan berpikir kreatif diukur menggunakan empat indikator: kelancaran, fleksibilitas, orisinalitas dan elaborasi. Penelitian ini didesain menggunakan the matching only pretest-postest control group design. Data keterampilan berpikir kreatif dikumpulkan dari pretest dan posttest setelah menerapkan analisis statistik menggunakan uji normalitas, homogenitas, t-test, dan Mann-Whitney. Temuan: Nilai effect size dan n-gain adalah 0,92 dan 0,73 yang bermakna terjadi peningkatan yang signifikan pada keterampilan elaborasi siswa. Kesimpulan: Lembar kerja berbasis masalah cukup efektif untuk meningkatkan keterampilan berpikir kreatif siswa.

Kata kunci: Lembar kerja siswa, pembelajaran berbasis masalah, keterampilan berpikir kreatif.



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