The study aims to see the effect of the application of discovery learning model in improving the ability of critical thinking mathematically and students self-confidence. The population of this research is high school students in East Bogor Regency. The sample of the research is the students of 10 th grade Science Major from 116 students. This research is a quasi experimental research with pretest and postest control group research design. The instrument used is a matter of mathematical critical thinking and self-confidence questionnaire test. Data analysis was performed on the normalized gain level between the two sample groups. The result of this research are (1) There is an improvement of mathematical critical thinking ability of students who are treated with discovery learning model is better than students who get conventional learning; (2) There is an interaction between learning model and early math ability (KAM) to improving students' mathematical critical thinking ability; (3) There is an improvement of mathematical critical thinking ability in students with high KAM; (4) There is no improvement of mathematical critical thinking ability in students with low KAM; (5) Increased self-confidence of students who are treated with discovery learning model is better than students who received conventional learning; (6) There is an interaction between learning model and math early ability to increase student self-confidence; (7) There is an improvement of self-confident in students with high KAM; (8) There is no improvement of self-confidence in students with low KAM. ABSTRAKPenelitian ini bertujuan untuk melihat pengaruh penerapan model discovery learning untuk meningkatkan kemampuan berpikir kritis matematis dan self-confidence siswa. Populasi penelitian ini adalah siswa SMA Negeri di Kabupaten Bogor Timur. Sampel penelitiannya adalah siswa SMA Negeri kelas X MIPA yang berjumlah 116 siswa. Penelitian ini merupakan penelitian quasi eksperimen dengan desain penelitian pretest-postest control group design. Instrumen yang digunakan berupa soal tes kemampuan berpikir kritis matematis dan lembar angket self-confidence. Analisis data dilakukan terhadap rataan gain ternormalisasi antara dua kelompok sampel. Hasil penelitian ini adalah (1) Peningkatan kemampuan berpikir kritis matematis siswa yang diberi perlakuan model discovery learning lebih tinggi daripada siswa yang mendapat pembelajaran konvensional; (2) Terdapat interaksi antara model pembelajaran dan kemampuan awal matematika (KAM) terhadap peningkatan kemampuan berpikir kritis matematis siswa; (3) Terdapat peningkatan kemampuan berpikir kritis matematis pada siswa dengan KAM tinggi; (4) Tidak terdapat peningkatan kemampuan berpikir kritis matematis pada siswa dengan KAM rendah; (5) Peningkatan selfconfidence siswa yang diberi perlakuan model discovery learning lebih tinggi daripada siswa yang mendapat pembelajaran konvensional; (6) Terdapat interaksi antara model pembelajaran dan kemampuan awal matematika terhadap peningkatan self-confidence siswa, dan (7) Terda...

This paper reports the development and validation of a new questionnaire to assess students' perceptions of the online learning environment in Indonesia during the COVID-19 pandemic. In total, 669 participants (454 women, 215 men) from various universities were recruited online to complete a 25-item questionnaire. Item factor analysis verified a five-factor model, while multidimensional Rasch analysis showed that all items fit this model and have good reliability. The factors of Access, Interaction, Lecturer Support, Equity, and Investigation formed the valid and reliable Online Classroom Learning Environment Inventory (OCLEI). All aspects of online learning readiness were related to the five factors of the OCLEI, therefore supporting convergent validity. With these results, we concluded that the OCLEI is a novel measure that can be used in future educational research in Indonesia. Limitations and implications are noted.

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The purpose of this study was to evaluate learning programs at the primary school level of SAI using countenance Stake's evaluation model. Data is obtained through the results of observations, interviews, and documentation with several stakeholders. The results revealed that: in congrruency, evaluation at the stage of antecedents obtained a percentage of 76% which means that education planning at SAI in the category is in accordance with the applicable education planning standards, at the stage of transactions it gets a percentage of 93%, which means that the process of implementing learning at SAI has been very in accordance with the standards of the learning process in the Minister of Education and Culture Regulation No. 22 of 2016, and at the stages of outcomes, it still must be a concern of the school especially in preparation for facing USBN. In contingency, the learning program in the "School of Nature Indonesia" in the category is in accordance with the learning standards in the national curriculum starting from planning, implementation, and school evaluation.