This study aims to evaluate the psychometric properties of students' perception scales about online learning during the Covid-19 pandemic in Indonesian culture. This study involved 176 students (Male = 54% and Female = 46%) at the junior and senior high school levels from public schools in Yogyakarta, Indonesia. The age of the respondents ranged from 11 to 17 years, with a mean of 13.5 years and a standard deviation of 1.4 years. The online learning perception scale adopts 16 items developed by Bhagat and colleagues. The psychometric properties of the scale were evaluated based on the reliability of the person and item, the suitability of the Rasch model, the functionality of using a 5-point rating scale, and its unidimensionality. The analysis results show that the scale has good consistency and performance in the Indonesian context. Sixteen items are a good fit for the model and are unidimensional. The 4-point Likert rating scale is more effective than the original 5-point rating scale. So, 16 items in POSTOL have adequate psychometric properties to be used on students in Indonesia.
Pesatnya perkembangan teknologi digital dan kondisi dunia yang sedang mengalami pandemi Covid-19 berimbas pada keberlangsungan pendidikan di semua jenjang sehingga pembelajaran yang semula tatap muka menjadi Pembelajaran Jarak Jauh (PJJ). Penelitian ini bertujuan untuk mengetahui tanggapan peserta didik terhadap pengembangan desain pembelajaran Fisika menggunakan LMS (Learning Management System) berbasis Moodle berbantuan grup Whatsapp pada pokok bahasan Impuls, Momentum, dan Hukum Kekekalan Momentum di kelas X SMKN 2 Yogyakarta. Metode penelitian Research and Development (R&D) digunakan untuk mengetahui efektifitas produk desain pembelajaran ketika diterapkan dalam PJJ. Hasil penelitian menunjukkan rata-rata lebih dari 70% peserta didik memberikan tanggapan baik terhadap aspek penggunaan software, isi penyajian, dan tampilan LMS. Dapat ditunjukkan pula peningkatan hasil belajar peserta didik yang berkaitan dengan pemahaman konsep melalui metode drilling (pengulangan) pada kegiatan penilaian atau quiz. Perbaikan tampilan muka, memaksimalkan penggunaan fitur-fitur di elearning, membuat/memilih bahan ajar/sumber belajar yang menarik, menyusun urutan materi secara konsisten, memberikan kesempatan peserta didik untuk memaksimalkan upaya memperbaiki hasil belajar, memperbanyak interaksi guru dan peserta didik sebagai bentuk kehadiran sosial melalui grup Whatsapp, serta sikap tegas guru dalam mendisiplinkan peserta didik merupakan faktor penting dalam keberhasilan PJJ.
Learning management systems (LMS) have become a key component of teaching and learning in schools. However, the evaluation of student acceptance rates on its implementation so far has not been widely reported. Therefore, this study aims to evaluate the acceptance rate of LMS among students in terms of gender and grade level. The level of student acceptance of the LMS in administration through an online survey using Google forms. A total of 141 students who took physics subjects from class XI and XII, one of the vocational high schools were involved. Acceptance of the LMS uses a 21-item LMSAS (Learning Management System Acceptability Scale) developed by Sezer and Yilmaz in 2019. The LMSAS uses a 5-point Likert scale, from 1 (Strongly Disagree) to 5 (Strongly Agree). LMS acceptance components include Performance Expectancy (PE), Effort Expectancy (EE), Facilitating Condition (FC), and Social Influence (SI). Wright map and Logit Value of Person (LVP) were used to assess LMS acceptance among students. The analysis results show that student acceptance of the LMS is distributed chiefly at a good level of acceptance. As many as 84% of students received the LMS. Based on gender, 65% of male students are quite accepting of the LMS. Based on class, class XII students are more dominant (35.5%) receiving LMS. Thus, most students in public vocational high schools welcome the LMS well.
Kendaraan bermotor menjadi pilihan yang banyak diminati oleh masyarakat di negara berkembang termasuk Indonesia. Data Korps Lalu Lintas Kepolisian Negara Republik Indonesia mencatat, jumlah kendaraan yang masih beroperasi di seluruh Indonesia pada 2013 mencapai 104,211 juta unit, naik 11 persen dari tahun sebelumnya (2012) yang hanya 94,299 juta unit. Dari jumlah itu, populasi terbanyak masih disumbang oleh sepeda motor dengan jumlah 86,253 juta unit di seluruh Indonesia, naik 11 persen dari tahun sebelumnya 77,755 juta unit. Jumlah terbesar kedua disumbang mobil penumpang dengan 10,54 juta unit, atau juga naik 11 persen dari tahun sebelumnya, 9,524 juta unit. Populasi mobil barang (truk, pikap, dan lainnya) tercatat 5,156 juta unit, naik 9 persen dari 4,723 juta unit (Kurniawan, A. 2014).
Perancangan geometri jalan terutama dimaksudkan untuk menjaga keselamatan dan kenyamanan pengguna jalan. Interchange (simpang susun) jalan tol biasanya berupa tikungan dengan kemiringan tertentu yang dirancang agar pengemudi merasa nyaman dan aman saat kendaraan yang dikemudikannya bergerak melintas dengan kecepatan rata-rata aman. Penelitian ini mensimulasikan parameter-parameter koefisien gesek melintang antara permukaan jalan dengan ban (µs), kemiringan melintang (tan), kecepatan rencana (v), jarijari tikungan (R) dan derajat kelengkungan tikungan (δ) menggunakan software Excel. Pada koefisien gesekan melintang (µs) tetap, kendaraan yang bergerak makin cepat di sebuah tikungan memerlukan jari-jari tikungan (R) yang besar. Agar kendaraan tidak slip keluar dari jalur maka jalan dibuat semakin miring. Kemiringan jalan menahan kekuatan gaya sentrifugal yang menyebabkan kendaraan slip.This is an open access article under the CC-BY-SA license
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