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All Journal JEMST: Journal of Education in Mathematics, Science, and Technology International Journal of Education and Teaching Zone
Nanda Gusriani
UIN Sulthan Thaha Saifuddin Jambi
Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Pengaruh Penerapan Model Pembelajaran Kooperatif Tipe Connecting, Organizing, Reflecting and Extending (CORE) Terhadap Hasil Belajar IPA Terpadu Siswa Di Sekolah Menengah Pertama Negeri 29 Tanjung Jabung Timur Sri Wardani; Kholid Musyaddad; Nanda Gusriani
JEMST (Jurnal of Education in Mathematics, Science, and Technology) Vol. 3 No. 2 (2020): JEMST Vol 3 No 2 2020
Publisher : Faculty of Education and Teacher Training, State Islamic University of Sulthan Thaha Saifuddin Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30631/jemst.v3i2.33

Abstract

Penelitianinibertujuanuntukmembuktikanadatidaknyapengaruh model pembelajaranConnecting, Organizing, Reflecting and Extending (CORE) terhadaphasilbelajar IPA Terpadusiswa di Sekolah Menengah Pertama Negeri 29 Tanjung JabungTimur.Jenis penelitian ini merupakan penelitian kuantitatif dengan menggunakan metode penelitian eksperimen yaitu Posttest Only Control Design.Populasi dalam penelitian ini adalah seluruh siswa kelas VIII yang terdiri 50 siswa.Sampling yang terdiri dari dua kelas yaitu kelas VIII B sebagai kelas eksperimen dan kelas VIII A sebagai kelas kontrol.Teknik pengumpulan data menggunakan soal objektif pilihan ganda. Dari hasil analisis data, rata-rata hasil nilai post test kelas eksperimen adalah 78,1dan kelas kontrol nilai rata-rata hasil belajar adalah 71,1. Berdasarkan hasil perhitungan dengan menggunakan uji “t” maka nilai “t” yang diperoleh adalah 2,779 dan lebih besar dari ttabel (baik pada taraf signifikan 5% maupun dari taraf 1% artinya 2,01<2,779>1,68, maka Ha (hipotesis alternatif). Hasil penelitian menyimpulkan bahwa terdapat pengaruh yang signifikan antara penerapan model pembelajaran Connecting, Organizing,Reflecting and Extending (CORE) terhadap hasil belajar IPA Terpadu siswa kelas VIII B di Sekolah Menengah Pertama Negeri 29 Tanjung JabungTimur.
Development and Validation of a Critical Thinking Skills Instrument for Grade 11 Biology Students Based on Ennis’s Framework Try Susanti; Dwi Gusfarenie; Nanda Gusriani; Diandara Oryza; Nining Nuraida
International Journal of Education and Teaching Zone Vol. 5 No. 1 (2026): February 2026 Edition
Publisher : Yayasan Nurul Yakin Bunga Tanjung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57092/ijetz.v5i1.546

Abstract

The ability to think critically is a key competency required of students in the 21st century, particularly in science education. This study aimed to develop and empirically evaluate a critical thinking skills assessment instrument for Grade 11 senior high school students in biology learning. The instrument was developed using the ADDIE development model, encompassing the analysis, design, development, implementation, and evaluation stages. Empirical testing was conducted during the implementation stage with Grade 11 senior high school students in Jambi City. Item analysis was performed to examine content validity, empirical validity, reliability, item difficulty, and discrimination indices. Empirical data were analyzed using ANATES version 4.0.9. The results indicated that 22 out of 56 items met the predefined validation criteria, demonstrating acceptable levels of item difficulty and discrimination power. The reliability coefficient of the finalized instrument was 0.68, which is considered acceptable for an exploratory educational assessment instrument. These findings suggest that the developed instrument possesses adequate psychometric properties for measuring students’ critical thinking skills in biology learning and can support future instructional evaluation and research within similar educational contexts.
Co-Authors Diandara Oryza Dwi Gusfarenie Kholid Musyaddad Nining Nuraida Sri Wardani Try Susanti