Kiki Kurniawan
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PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE TPS TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA Kurniawan, Kiki; Asnawati, Rini; Djalil, Arnelis
Jurnal Pendidikan Matematika Unila Vol 2, No 8 (2014): JURNAL PENDIDIKAN MATEMATIKA UNIVERSITAS LAMPUNG
Publisher : Jurnal Pendidikan Matematika Unila

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Abstract

This quasi experimental research aimed to know the influence of cooperative learning model of think pair share type towards student’s understanding of mathematical concepts compared to conventional learning. This research design was post-test only control group design. The population of this research was all students of grade VII of SMP Negeri 8 Bandar Lampung in academic years of 2013/2014. This research samples were students of VII-H and VII-I class which were chosen by purposive sampling. According to the research result, cooperative learning model of think pair share type affects towards student’s understanding of mathematical concepts.Penelitian eksperimen semu ini bertujuan untuk mengetahui pengaruh model pembelajaran kooperatif tipe think pair share terhadap pemahaman konsep matematis siswa dibandingkan pembelajaran konvensional. Desain penelitian ini adalah posttest only control group design. Populasi penelitian ini yaitu seluruh siswa kelas VII SMP Negeri 8 Bandar Lampung tahun pelajaran 2013/2014. Sampel penelitian ini adalah siswa kelas VII-H dan VII-I yang dipilih dengan teknik purposive sampling. Berdasarkan hasil penelitian, diperoleh kesimpulan bahwa model pembelajaran kooperatif tipe think pair share berpengaruh terhadap pemahaman konsep matematis siswa.Kata kunci: konvensional, pemahaman konsep matematis, think pair share
Pengembangan LKPD Berbasis PBL untuk Meningkatkan Kemampuan Komunikasi Matematis dan Self Confidence Peserta Didik Kurniawan, kiki; Bharata, Haninda; Dahlan, Syarifuddin
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Publisher : Universitas Lampung

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Abstract

This research aims to develop students’ worksheet-based on PBL and test its effectiveness toward students’  mathematical communication skills and self confidence of class VIII SMP Negeri 8 Bandar Lampung. This research procedure uses the procedure by Tessmer, namely preliminary phase and formative evaluation phase which includes self evaluation, prototyping (expert reviews, one-to-one, small group) and field test. The data was obtained through mathematical communication test and self confidence scale. The results of the expert reviews show that students’ worksheet-based on PBL has met the feasibility standards of content, media and language in very good category. the result of the one-to-one and small group show very good category. The results of data analysis in the field test showed that the student mathematical communication skill and self confidence in the experimental class is higher than the control class. It can be concluded that students’ worksheet-based on PBL is effective to improve the students’ mathematical communication and self confidence.Penelitian pengembangan bertujuan mengembangkan LKPD berbasis PBL dan menguji keefektifannya terhadap kemampuan komunikasi matematis dan self confidence peserta didik kelas VIII SMP Negeri 8 Bandar Lampung. Prosedur penelitian ini menggunakan prosedur Tessmer, yaitu tahap preliminary dan formative evaluation yang meliputi self evaluation, prototyping (expert reviews, one-to-one, small group) dan field test. Data penelitian diperoleh melalui tes komunikasi matematis dan skala self confidence. Hasil expert reviews menunjukkan bahwa LKPD berbasis PBL  memenuhi standar kelayakan isi, media dan bahasa yang termasuk dalam kategori sangat baik. Hasil one-to-one dan small group termasuk dalam kategori sangat baik. Hasil analisis data field test menunjukkan kemampuan komunikasi matematis dan self confidence peserta didik kelas eksperimen lebih tinggi dari kelas kontrol. Sehingga disimpulkan LKPD berbasis PBL efektif meningkatkan kemampuan komunikasi matematis dan self confidence peserta didik.Kata kunci : LKPD, PBL, komunikasi matematis, self confidence