Efikasi Diri sebagai Prediktor Kemampuan Berpikir Kritis Siswa SMP dalam Menyelesaikan Masalah Geometri
DOI:
https://doi.org/10.66031/smarth.v2i2.697Keywords:
Critical Thinking Skills, Geometry, Problem Solving, Junior High School StudentsAbstract
Kemampuan berpikir kritis merupakan kompetensi penting dalam pemecahan masalah geometri karena siswa perlu menganalisis informasi, memilih strategi, memberikan justifikasi, dan mengevaluasi solusi. Pencapaiannya tidak hanya berkaitan dengan penguasaan pengetahuan matematis, tetapi juga dengan faktor afektif, khususnya efikasi diri. Penelitian ini bertujuan menganalisis efikasi diri sebagai prediktor kemampuan berpikir kritis siswa SMP dalam menyelesaikan masalah geometri. Penelitian menggunakan pendekatan kuantitatif dengan desain korelasional prediktif. Subjek penelitian terdiri atas 100 siswa kelas VIII SMP Islam Madura yang dipilih secara purposive sampling. Data efikasi diri dikumpulkan melalui angket skala Likert, sedangkan kemampuan berpikir kritis diukur menggunakan tes uraian berbasis pemecahan masalah geometri. Data dianalisis menggunakan regresi linear sederhana pada taraf signifikansi 5%. Hasil penelitian menunjukkan bahwa efikasi diri merupakan prediktor positif dan signifikan terhadap kemampuan berpikir kritis (B = 0,649; t = 7,284; p < .001), dengan R² = 0,352. Efikasi diri menjelaskan 35,2% variasi kemampuan berpikir kritis. Temuan ini menegaskan bahwa efikasi diri merupakan faktor afektif yang relevan dalam menjelaskan kemampuan berpikir kritis, meskipun variasi lainnya berkaitan dengan faktor kognitif, metakognitif, dan pembelajaran dalam konteks pembelajaran matematika dan pemecahan masalah geometri SMP.
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All data generated or analyzed during this study are included in this published article. Additional datasets are available from the corresponding author upon reasonable request.
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Copyright (c) 2026 Yustinus, Arie Tonang (Author)
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