PENGARUH MODEL PEMBELAJARAN INTRODUCTION, CONNECTION, APPLICATION, REFLECTION, EXTENSION (ICARE) TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS DITINJAU DARI SELF CONFIDENCE SISWA SMP

MIFTAKHUL, JANNAH (2025) PENGARUH MODEL PEMBELAJARAN INTRODUCTION, CONNECTION, APPLICATION, REFLECTION, EXTENSION (ICARE) TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS DITINJAU DARI SELF CONFIDENCE SISWA SMP. Diploma thesis, UIN RADEN INTAN LAMPUNG.

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Abstract

ABSTRAK Kemampuan komunikasi matematis penting dalam pembelajaran abad ke-21. Namun, pra-penelitian di kelas VIII SMP Negeri 2 Rebang Tangkas menunjukkan 94% siswa memperoleh nilai di bawah KKM 75, disertai kecenderungan mencontek, bergantung pada teman, dan pasif berdiskusi. Penelitian ini bertujuan menguji pengaruh model pembelajaran Introduction, Connection, Application, Reflection, Extension (ICARE) terhadap kemampuan komunikasi matematis dengan mempertimbangkan self-confidence siswa. Metode penelitian menggunakan eksperimen semu dengan desain two group pretest-posttest. Sampel diambil secara cluster random sampling: kelas VIII A sebagai eksperimen (ICARE) dan VIII B sebagai kontrol (konvensional) pada materi Bangun Ruang Sisi Lengkung. Instrumen terdiri dari tes uraian komunikasi matematis dan angket self-confidence. Analisis data menggunakan uji normalitas, homogenitas, dan Two Way ANOVA pada taraf signifikansi 5%. Hasil penelitian menunjukkan ICARE berpengaruh signifikan terhadap kemampuan komunikasi matematis. Self-confidence juga berpengaruh signifikan, dan terdapat interaksi keduanya, menunjukkan ICARE lebih efektif pada siswa dengan selfconfidence tinggi. Kata Kunci : Kemampuan Komunikasi Matematis, Model Pembelajaran ICARE, Self Confidence. iii ABSTRACT Mathematical communication skills are essential in 21stcentury learning. However, a preliminary study in Grade VIII of SMP Negeri 2 Rebang Tangkas showed that 94% of students scored below the Minimum Mastery Criterion (KKM) of 75, with tendencies to cheat, depend on peers, and be passive in discussions. This study aims to examine the effect of the Introduction, Connection, Application, Reflection, Extension (ICARE) learning model on mathematical communication skills, considering students’ self-confidence levels. This research employed a quasi-experimental method with a two-group pretest–posttest design. Samples were selected using cluster random sampling, with class VIII A as the experimental group (ICARE) and class VIII B as the control group (conventional), focusing on the topic of Curved Surface Solids. The instruments consisted of an essay test on mathematical communication and a self-confidence questionnaire. Data analysis used normality and homogeneity tests, as well as Two-Way ANOVA at a 5% significance level. The findings show that ICARE significantly improves mathematical communication skills. Self-confidence also has a significant effect, and their interaction indicates ICARE is more effective for students with high self-confidence. Keywords: Mathematical Communication Skills, ICARE Learning Model, Self Confidence.

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