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PENGARUH PENERAPAN STRATEGI PEMBELAJARAN AKTIF TIPE COLLEGE BALL TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA KELAS VIII MTsN TALAOK BAYANG Reflina, Reflina; Anggraini, Villia; Pratiwi, Merina
Pendidikan Matematika Vol 1, No 1 (2014): Jurnal Wisuda Ke 48 Mahasiswa Prodi Pendidikan Matematika
Publisher : STKIP PGRI Sumbar

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ABSTRACTThe research was conducted based on the fact which indicated the students low motivation to rehearse the learning material which emerged the students difficulties to do the mathematical questions. The purpose of this research was to know whether the students treated by college ball strategy have better comprehension of mathematical concept than those who are treated by conventional strategy. This was an experimental research which used random sampling. The population was the VIII grade students of MTSN Talaok Bayang. The VIII.5 was the experimental class while the VIII.3 class was the control class. The instrument was final test. The hypotheses was tested by one tailed test. It was found that t-obtained > t-table. Thus,it can be concluded that the students treated by college ball strategy had better mathematical comprehension than those who treated the conventional strategy.

Pengaruh Strategi Pembelajaran Active Knowledge Sharing Berbasis Socio Scientific Issues terhadap Communication Skills Siswa Kelas X SMAS PAB 4 Sampali pada Materi Keanekaragaman Hayati Rahma Wardani, Siti Muthia; Tanjung, Indayana Febriani; Reflina, Reflina
Jurnal Pendidikan Tambusai Vol. 5 No. 3 (2021): 2021
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

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Penelitian ini bertujuan untuk mengetahuipengaruh strategi pembelajaran active knowledge sharing berbasis socio scientific issues terhadap communication skills siswa pada materi keanekaragaman hayati. Jenis penelitian ini adalah penelitian quasi eksperimen dan desain yang digunakan adalah nonequivalent control group desain. Populasi pada penelitian ini adalah seluruh siswa kelas X IPA SMAS PAB 4 Sampali. Sampel dalam penelitian ini adalah 25 siswa untuk kelas eksperimen dan 25 siswa untuk kelas kontrol. Teknik pengumpulan data yang digunakan adalah observasi, dokumentasi, dan tes. Teknik analisis data yang digunakan adalah tes-t. Berdasarkan hasil penelitian yang diperoleh bahwa kemampuan komunikasi tulis siswa pada kelas eksperimen yang menggunakan strategi pembelajaran active knowledge sharing lebih tinggi dibandingkan kelas kontrol yang menggunakan pembelajaran konvensional. Hal ini dibuktikan melalui uji hipotesis dengan menggunakan test-t yang dapatkan t hitung = 2,628 dengan melihat krikteria uji taraf 5% diperolah t tabel = 2,008, dimana dengan krikteria uji t hitung lebih besar dari t tabel = 2,628>2,008, sehingga H0 ditolak, berarti Ha diterima

Kesulitan mahasiswa calon guru matematika dalam menyelesaikan soal pembuktian matematis pada mata kuliah geometri Reflina Reflina
Jurnal Analisa Vol 6, No 1 (2020): Volume 6 Nomor 1 Tahun 2020
Publisher : Department of Mathematics Education, UIN Sunan Gunung Djati Bandung, West Java, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/ja.v6i1.6607

The research is aimed to know the difficulties of learning that are faced by students in completing the questions proving math in the eyes of college geometry and knowing the factors that affect the students difficult to resolve the problems of proving mathematics. Research is a research qualitative by using strategies case study research that aims to describe the difficulties of students in solving mathematical proof problems with descriptive analysis methods. Difficulties are referred to is the difficulty in the concept and principles of geometry. The subjects of this study were 3th semester of Mathematics Education students at Islamic State University of North Sumatera Medan, academic year 2019/2020 PMM1 class consisting of 39 students. The instrument was the test which consisted of 4 proof problems at geometry, interview and documentation. Difficulties students in learning geometry includes things following namely : the student is difficult to respond to what the intention and purpose matter, is difficult determine the beginning or the beginning of a proof, difficult to find an idea and notion, difficult to apply the definition, nature, and the theorem in constructing the proof , and students still difficult to think logically determine the steps proving that true . The type of error that predominantly occurs in the model answers of students, in the form of the type of error the data is not appropriate, procedures are not appropriate, the conflict level of response, and the problem hierarchy of skills. Factors that make the students difficult to learn geometry, namely the factor of matter which is considered difficult to understand, apply, and applied in solving the problem

KAITAN PEMBELAJARAN BERBASIS MASALAH DENGAN KEMAMPUAN SELF-EFFICACY SISWA Reflina Reflina
AXIOM : Jurnal Pendidikan dan Matematika Vol 7, No 1 (2018)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Self-Efficacy is a positive attitude that an individual can make himself able to develop a positive assessment both to themselves and to the environment / situation. According to Bandura's social cognitive theory, self-efficacy beliefs influence people's choices in making and carrying out the actions they are pursuing. Self-efficacy measurement of a person based on three dimensions, namely: magnitute, Strength, Generality. Problem-based learning is a learning that demands students' mental activity optimally in learning critical thinking, problem-solving skills, and gaining knowledge about the essence of the subject matter in understanding a student's concept or concept, principles and mathematical skills in the form of ill-stucture or open-ended through stimulus

The Connection between Algebraic Ability and Self-Efficacy in Senior High School Student Firmanti, Pipit; Reflina, Reflina
Kreano, Jurnal Matematika Kreatif-Inovatif Vol 13, No 2 (2022): Kreano, Jurnal Matematika Kreatif-Inovatif
Publisher : Mathematics Dept, Math. and Science Faculty, Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/kreano.v13i2.38098

Algebra is important to learn as a provision in the face of future life, both at work and as preparation for higher education. However, basically students still have difficulty in solving algebra problems. Therefore, it is necessary to find out the factors that cause students' low algebraic abilities.The purpose of this study is to find the relationship between the algebraic abilities of students at Senior High School with their self-efficacy. The research is qualitative and quantitative. Statistic descriptive is to determine the connection and contribution of two variables, students' self-efficacy, and algebraic abilities. The research subjects taken were 200 students from Bukittinggi (West Sumatra). In this study, there were two instruments used, namely a self-efficacy questionnaire and an algebra test (SPLTV linear programming). The result shows that (1) In general, students' algebraic abilities are at a medium level with an average of 53.87. (2) Between algebraic abilities and self-efficacy have a very weak or very low correlation, so the correlation is ignored (it is assumed that there is no correlation between students' algebraic skills and self-efficacy) (3) Almost all students have good self-efficacy which is at a very high and quite low level. The finding implies that it is necessary to conduct research on the discovery of other factors that affect students' algebraic abilities.Aljabar penting dipelajari sebagai bekal dalam menghadapi kehidupan masa depan, baik di tempat kerja maupun sebagai persiapan menuju pendidikan tinggi. Namun, pada dasarnya siswa masih kesulitan dalam menyelesaikan soal aljabar. Oleh karena itu, perlu di cari tahu faktor penyebab kemampuan aljabar siswa yang masih rendah. Tujuan dari penelitian ini adalah untuk mengetahui hubungan antara kemampuan aljabar siswa SMA Negeri Bukittinggi dengan efikasi diri siswa. Penelitian ini merupakan gabungan antara kualitatif dan kuantitatif. Deskriptif statistik untuk mengetahui hubungan dan kontribusi dua variabel yaitu efikasi diri dan kemampuan aljabar siswa. Subjek penelitian yang diambil adalah 200 siswa dari Bukittinggi (Sumatera Barat). Dalam penelitian ini terdapat dua instrumen yang menggunakan angket efikasi diri dan tes aljabar (SPLTV Program linear). Hasil penelitian menunjukkan bahwa (1) Secara umum kemampuan aljabar siswa berada pada taraf sedang dengan rata-rata 66,125. (2) Antara kemampuan aljabar dan efikasi diri memiliki korelasi yang sangat lemah atau sangat rendah, sehingga korelasi tersebut diabaikan (diasumsikan tidak ada hubungan antara kemampuan aljabar siswa dengan efikasi diri) (3) Hampir semua siswa memiliki efikasi diri yang baik berada pada tingkat yang sangat tinggi dan cukup rendah. Penelitian ini menunjukkan bahwa perlu dilakukan penelitian lebih lanjut tentang faktor lain yang mempengaruhi kemampuan aljabar siswa.

Peningkatan Kemampuan Representasi Matematis Siswa SMP melalui Pembelajaran Kooperatif Tipe Formulate-Share-Listen-Create (FSLC) Reflina Reflina
SIGMA DIDAKTIKA: Jurnal Pendidikan Matematika Vol 4, No 1 (2015)
Publisher : SIGMA DIDAKTIKA: Jurnal Pendidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/sigmadidaktika.v4i1.31974

Abstrak. Rendahnya kemampuan komunikasi matematis siswa bisa terjadi dua faktor. Faktor pertama adalah siswa yang belum cukup memiliki self concept matematis. Faktor kedua yaitu guru tanpa memperhatikan kesiapan komunikasi matematis siswa. Dengan permasalahan tersebut peneliti mengembangkan model pembelajaran Kemp Berbasis think pair square dengan tujuan meningkatkan kemampuan komunikasi siswa dan self concept siswa. Penelitian merupakan penelitian kuasi eksperimen dengan menggunakan desain eksperimennya adalah desain kelompok kontrol tidak ekuivalen. Populasi penelitian adalah seluruh siswa kelas VIII SMPN 1 Arjawinangun Kabupaten Cirebon dengan mengambil sampel 2 kelas untuk kelompok eksperimen dan kelas kontrol. Kelompok eksperimen memperoleh pembelajaran model Kemp berbasis think pair square, kelas kontrol dengan pembelajaran konvensional. Dalam pelaksanaanya, tes kemampuan komunikasi diberikan pretes dan postes sedangkan self concept diberikan setelah proses pembelajaran dengan menggunakan skala sikap. Pengujian dilakukan melalui data N-gain kemampuan komunikasi dan skala sikap. Hasil penelitiannya adalah Pembelajaran dengan model Kemp berbasis think pair square dapat meningkatkan kemampuan komunikasi dan self concept matematis siswa lebih baik dari pada pembelajaran konvensional. Abstract. The low of Math Communication ability students can caused by two factor. The first factor is students have no ability of sefl concept math. The second factor is teacher without pay attention to readiness communication students math. Bassed on this problem reaserchen try to develop teaching Kemp model based ability of think pair square to increasing ability of students communication and students self concept. Research is quasi experiment research use its design experiment group control not equivalen. The population of this research was all student of grade 8th SMPN 1 Arjawinangun Regency Cirebon, take class for sample to experiment group and control. Experiment group get teaching model Kemp based ability think pair square, class control with conventional teaching. In activity test communication ability given pre test and post test, while self concept given after teaching process that use behavior scale. This testing by data N-gain communication ability and behavior scale. The result of research is teaching with ability model teaching based think pair square can increasing communication ability and self concept math students better than conventional teaching.

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