This study aims to see and analyze the readiness of teachers and students in the National Assessment. The research was conducted with a survey method through the distribution of google form questionnaires. The data obtained were analyzed using descriptive statistics. The results of the study group of students showed that 46.6% of students understood national assessment and 53.2% of students did not understand well about national assessment. This is due to the fact that the education unit has not yet disseminated the implementation of the national assessment which has three instruments including the Minimum Competency Assessment (AKM), learning surveys and learning environment surveys. The results of the teacher group research stated that 75% of teachers understood national assessment and 25% of teachers did not understand national assessment. A national assessment is carried out to evaluate the input, process, and quality of teaching and learning in the classroom so as to improve the quality of Indonesian education. Keywords: analysis of the readiness of teachers; students; national assessment Abstrak: Penelitian ini bertujuan untuk mengetahui dan menganalisis kesiapan guru dan peserta didik dalam Asesmen Nasional. Penelitian dilakukan dengan metode survei melalui penyebaran angket google form. Data yang diperoleh dianalisis menggunakan statistik deskriptif. Hasil penelitian kelompok peserta didik menujukkan bahwa 46,6% peserta didik memahami mengenai asesmen nasional dan 53,2% peserta didik belum memahami dengan baik mengenai asesmen nasional. Hal ini disebabkan karena satuan pendidikan terkait belum melakukan sosialisasi penerapan asesmen nasional yang memiliki tiga instrumen penilaian meliputi Asesmen Kompetensi Minimum (AKM), survey belajar, dan survey lingkungan belajar. Hasil penelitian kelompok guru menyatakan bahwa 75% guru memahami mengenai asesmen nasional dan 25% guru belum memahami mengenai asesmen nasional. Asesmen nasional dilakukan untuk melakukan evaluasi terhadap input, proses, dan kualitas belajar-mengajar di kelas sehingga meningkatkan mutu pendidikan Indonesia. Kata kunci: analisis kesiapan guru; peserta didik; asesmen nasional
Inovasi metode pembelajaran di dalam laboratorium telah mengalami perkembangan sangat pesat. Salah satu inovasi tersebut melalui penggunaan kelas virtual laboratorium dalam kelas IPA, seperti halnya pada kelas pemisahan kimia. Tujuan dari penelitian ini adalah (1) menciptakan kreasi media pembelajaran Virtual Laboratory pada praktikum pemisahan kimia terintegrasi android untuk menunjang pembelajaran praktikum, (2) mendeskripsikan uji validitas dan keterbacaan mengenai kreasi media pembelajaran Virtual Laboratory pada praktikum pemisahan kimia terintegrasi telefon pintar. Metode pengembangan yang dipakai yaitu 4-D (four-D). Data yang didapat berupa data kualitatif dan kuantitatif. Data kualitatif berupa saran/masukan dari validator dan data kuantitatif berupa angket validasi dan keterbacaan. Hasil validasi menunjukkan bahwa validasi materi sebesar 95% (sangat layak), validasi media 88,5% (sangat layak). Selain itu, hasil uji coba diperoleh sebesar 83,5% (sangat layak). Secara praktis, media yang telah dikembangkan sangat bermanfaat untuk menunjang pembelajaran praktikum.
The study was conducted to map the misconception pattern of chemistry prospective teachers who learned acid-base and argentometric titration. Further, it attempts to minimize misconception through a multiple representation model of learning chemistry with cognitive dissonance strategy. The first treatment was done on acid-base titration and the second treatment on argentometric titration materials. The multiple choice test with open reasons was administered to 30 undergraduate students. The finding shows that 28.6% students have the same pattern of misconception while learning in both of the courses. After the treatment, misconception decreased to 9.5% on the first treatment, and 9.4% on the second treatment. The model was found to be suitable to decrease the misconception, but could not change the misconception into "zero misconception", especially for microscopic and symbolic representations.
A mental model is a student's perception or description of a concept. Chemistry learning requires deep understanding including three levels of representation; macroscopic, sub-microscopic, and symbolic. These three levels of representation are interconnected to form a meaningful understanding and students' mental model. The purpose of this study was to look at the mental models of students on acid and base topic taught using cognitive apprenticeship learning model. This research employed explanatory sequential mix method with 65 research subjects. The research instrument was in the form of a description test of acid-base concepts and an interview guideline for the students’ answers on the test. The results showed that students had good mental models (63.64%) on acid and base taught using cognitive apprenticeship learning model.
Abstrak -Penelitian ini dilakukan untuk mengukur tingkat keterampilan berpikir kritis pada indikator memberikan penjelasan lebih lanjut yang dimiliki siswa kelas XI MIA tahun ajaran 2018/2019 pada materi hidrokarbon. Rancangan penelitian yang digunakan pada penelitian adalah rancangan penelitian kuantitatif deskriptif. Sumber data yang dianalisis adalah data hasil tes tulis 133 siswa dalam menjawab soal instrumen penilaian keterampilan berpikir kritis yang telah dikembangkan oleh Rodliyah (2018). Aspek keterampilan berpikir kritis pada indikator memberikan penjelasan lebih lanjut terdiri dari lima soal pilihan ganda beralasan. Data yang dianalisis merupakan jawaban siswa yang mendapat skor 1 dalam menjawab soal pilihan ganda beralasan, lalu dikategorikan berdasarkan jumlah persentase menurut Karim (2015). Hasil penelitian menunjukkan bahwa siswa memilliki keterampilan berpikir kritis dengan indikator memberikan penjelasan lebih lanjut pada materi hidrokarbon yaitu a) 57,90% pada pokok bahasan isomer senyawa (kategori rendah), b) 67,67% pada pokok bahasan kegunaan senyawa hidrokarbon (kategori cukup), c) 89,47% pada pokok bahasan sifat fisika dan sifat kimia senyawa hidrokarbon : sifat fisika senyawa hidrokarbon (kategori sangat tinggi), d) 55,64% pada pokok bahasan sifat fisika dan sifat kimia senyawa hidrokarbon : reaksi pembakaran senyawa hidrokarbon (kategori rendah), dan e) 11,28% pada pokok bahasan tata nama senyawa hidrokarbon (kategori sangat rendah).
In high school, chemistry learning there are redox and electrochemistry topics that equip students knowledge about the development of science and technology. Redox and electrochemistry learning topics will be more effective and efficient if students learn independently through learning materials developed by the educator so that students master the competencies that have been determined. In addition, educators are required to be skilled in the use of 21st century media and technology, such as learning materials that are packaged in e-books. So far, learning materials that have not been integrated into the Science Technology Engineering and Mathematics-Project Based Leaning (STEM-PjBL) learning model have not been developed. At present, STEM-PjBL research is a trending topic. The purpose of this study was to develop and determine the feasibility of flipbook teaching materials on redox and electrochemistry materials based on the STEM-PjBL approach assisted with learning videos. The development method used in this study is the Brog and Gall development model which is limited to five stages. The result of this research and development is a product in the form of learning materials which refers to the syllabus of the 2013 curriculum. This product is the result of the validation of a chemist (lecturer) and two chemistry teachers on lesson material learning. The results of validation are 92.71% and 92.78% respectively, which means that the product produced is very feasible. Readability test conducted on 30 students of SMAN 3 Sidoarjo obtained an average percentage of eligibility of 98.30% with very feasible criteria. So, the development of this flipbook has fulfilled the needs and high usage feasibility. AbstrakPada pembelajaran Kimia SMA, terdapat materi pelajaran redoks dan elektrokimia yang ditujukan untuk membekali siswa dengan pengetahuan tentang perkembangan sains dan teknologi. Pembelajaran materi redoks dan elektrokimia akan lebih efektif dan efisien jika siswa belajar mandiri melalui bahan belajar yang dikembangkan sendiri oleh pendidik agar siswa menguasai kompetensi yang telah ditentukan. Selain itu, pendidik dituntut juga untuk terampil dalam penggunaan media dan teknologi abad 21 ini, seperti bahan belajar yang dikemas dalam bentuk e-book. Selama ini, belum dikembangkan bahan belajar yang terintegrasi ke dalam model pembelajaran Science Technology Engineering and Mathematics-Project Based Leaning (STEM-PjBL). Saat ini, penelitian STEM-PjBL menjadi trending topic. Tujuan dari penelitian ini adalah untuk mengembangkan dan mengetahui kelayakan bahan ajar flipbook pada materi redoks dan elektrokimia berbasis pendekatan STEM-PjBL berbantuan video pembelajaran. Metode pengembangan yang digunakan di dalam penelitian ini adalah model pengembangan Brog dan Gall yang terbatas sampai lima tahap. Hasil dari penelitian dan pengembangan ini adalah sebuah produk yang berupa bahan belajar yang mengacu pada silabus Kurikulum 2013. Produk ini merupakan hasil validasi seorang ahli kimia (dosen) dan dua orang guru kimia terhadap bahan belajar RPP. Hasil validasi secara berturut-turut menunjukkan persentase 92,71% dan 92,78% yang berarti produk yang dihasilkan sangat layak. Uji coba keterbacaan produk yang dilakukan terhadap 30 siswa SMAN 3 Sidoarjo diperoleh rata-rata persentase kelayakan sebesar 98,30% dengan kriteria sangat layak. Jadi, pengembangan bahan belajar flipbook ini telah memenuhi kebutuhan dan kelayakan pemakaian yang tinggi.
This study aimed to determine the contribution of multiple representation-based learning through cognitive dissonance strategy and to reduce misconceptions encountered by chemistry students. A mixed method research with the embedded experimental design was employed in this study involving 66 sophomore students enrolled in the Basics of Analytical Chemistry class. This study used a threetier test diagnostic test of 43 questions that had been validated by the education teams and chemists. The analysis was done by using a t-test and N-gain. The results showed a significant difference between the experimental and the control classes and a greater increase in N-gain in the experimental class (68.56%) compared to the control class (42.42%). The most effective reduction of misconceptions occurred in the subject of argentometric titration, from 33.41 to 8.79 %. This indicates that MRCD cannot completely eliminate misconceptions, especially for concepts related to sub-microscopic and symbolic representations.
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