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All Journal Journal of Educational Research and Evaluation Journal for Lesson and Learning Studies
Ardianti, Riska
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Booklet Sistem Koordinasi Sebagai Suplemen Bahan Ajar Biologi Kelas XI SMA/MA Syamsurizal, S.; Ardianti, Riska
Journal for Lesson and Learning Studies Vol 4, No 3 (2021): October
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jlls.v4i3.38685

Abstract

Materi biologi yang dianggap sulit oleh peserta didik sehingga berpengaruh pada hasil belajar siswa yang rendah. Penyebab kesulitan yang dialami dalam mempelajari biologi adalah karakteristik materi biologi yang tak jarang terdapat konsep-konsep abstrak yang sulit dipahami. Selain itu, kurangnya media pembelajaran akan mempengaruh kemampuan siswa dalam belajar. Penelitian ini bertujuan untuk menganalisis kebutuhan pengembangan booklet sistem koordinasi sebagai suplemen bahan ajar biologi kelas XI. Penelitian ini menggunakan metode survei dengan cara menyebarkan angket kepada 108 peserta didik dan satu orang guru biologi. Metode yang digunakan dalam penelitian ini yaitu observasi,wawancara, dan kuesioner. Metode yang diguankan dalam mengumpulkan data yaitu kuesioner. Teknik yang digunakan untuk menganalisis data yaitu analisis deskriptif kualitatif dan kuantitatif. Hasil angket menunjukkan bahwa peserta didik dalam mempelajari biologi sudah dilengkapi dengan bahan ajar, tetapi peserta didik masih kesulitan memahami materi sistem koordinasi dan membutuhkan bahan ajar tambahan pada materi sistem koordinasi. Bahan ajar yang paling dibutuhkan peserta didik yaitu bahan ajar berupa bacaan yang disertai gambar dan memuat penjelasan materi yang singkat, padat, dan jelas. Pengembangan booklet sebagai suplemen bahan ajar biologi dapat dijadikan solusi dari permasalahan yang dihadapi oleh guru dan peserta didik pada materi sulit sistem koordinasi.
Analytical Thinking Skill and Problem Solving Skills Instruments in Biology Learning Using Rasch Model Ardianti, Riska; Razak, Abdul; Alberida, Heffi; Fadilah, Muhyiatul; Sari, Mutia
Journal of Education Reseach and Evaluation Vol 8 No 4 (2024): November
Publisher : LPPM Undiksha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jere.v8i4.84026

Abstract

The low level of analytical thinking and problem-solving skills of students is often caused by the lack of teacher evaluation of these skill levels and the inadequate use of assessment instruments. To overcome this problem, it is necessary to prepare and analyze quality instruments in order to accurately describe students' abilities. This study aims to analyze students' analytical thinking skills and problem-solving skills using Rasch modeling. This study is a quantitative descriptive research with a sample of 30 grade XI students of SMA who were selected using random sampling techniques. The research instrument consisted of eight essay questions, namely four questions to measure analytical thinking skills and four questions for problem-solving skills. Data analysis was carried out using Rasch modeling to evaluate the validity, reliability, level of difficulty, and differentiation of the questions. The results of the study show that the instrument has good to excellent validity. All items meet the fit criteria, with item reliability in the good to special category, although the reliability of the person is classified as low to sufficient. The difficulty level of the questions is ideally distributed, reflecting the balance between easy and difficult questions, as well as the excellent differentiation of items. This instrument is feasible to use, but it is recommended to increase the number of question items in order to increase the reliability of the person in the separate measurement. The implication of this study is the importance of developing valid and reliable assessment instruments to support the skill-based learning and evaluation process.
Co-Authors Abdul Razak Heffi Alberida Muhyiatul Fadilah sari, Mutia Syamsurizal, S.