Currently, online learning becomes a new trend in the Indonesian education. But, the educators are not ready to adapt to online learning, especially in online learning assessments. This study aims to describe the alternative assessments in online learning that can be implemented at elementary education along with its advantages and disadvantages. This study employed a qualitative approach with the literature review method. Researchers collected a number of reputable national and international journal articles, textbooks, handbooks, regulations, and so on from the google scholar database, science direct, eric, and others related to research problems and objectives. The analysis of the literature review uses the critical appraisal method. The results of this study showed that online learning assessments that can be implemented in elementary education were formative and summative assessments. It included cognitive assessments, performance assessments, portfolios, writings and journals, self-assessment and peers-assessments. The use of online learning assessments has many advantages such as the availability to conduct tests on demand and at any time, provides direct feedback to users, the students’ quick access to the test results, and a more accurate measurement of student learning. However, online assessment systems also have several drawbacks, such as students who have low information technology (IT) skills might be disadvantaged. For this reason, in implementing online learning and assessment, teachers and students should master information and communication technology skills.
This study is intend to describe the critical thinking skills of primary school (MI/SD) teachers candidate and the obstacles they faced in solving mathematical problems. This research is a qualitative research with the research subjects are 36 madrasah ibtidaiyah teacher education students (PGMI), in the fifth semester of IAIN Syekh Nurjati Cirebon. The data collection techniques used are tests and interviews. Meanwhile, the research data were analyzed using descriptive analysis techniques related to critical thinking skills indicators. The results showed that the average of critical thinking ability of primary school teacher candidates in solving mathematical problems especially in geometry material was classified as good, which amounted to 73.57. They are able to formulate problems, determine facts, and use correct evidence in solving mathematical problems. However, most of them have not been able to provide follow-up explanations correctly, thus impacting the difficulty in drawing conclusions. Therefore, a lecturer must be able to build a learning environment that is able to develop their critical thinking to become a qualified teacher.
Seiring perkembangan teknologi, semakin banyak peralatan-peralatan maupun sistem keamanan canggih berbasis teknologi yang mutakhir. Semakin tingginya angka kriminalitas terutama pencurian dan perampokan mendorong diperlukannya sistem keamanan yang lebih efektif dan efisien. Keamanan pintu rumah yang baik tentu memiliki sistem penguncian yang baik pula, yang kecil kemungkinannya terjadi pembobolan. Pada perancangan sistem keamanan pintu rumah menggunakan metode segitiga wajah (triangle face) berbasis raspberry pi 3 model B+ yang memiliki kelebihan salah satunya mudah,praktis dalam penggunaan untuk dapat meningkatkan kenyamanan dan keamanan dalam membuka pintu rumah tanpa harus memegang bermacam-macam kunci yang mungkin sangat menggangu. Penggunaan fitur Haar Casecade Classifier dengan OpenCV digunakan sebagai pemograman yang berfungsi untuk melakukan deteksi terhadap suatu objek yang pada penelitian ini adalah wajah. Berdasarkan hasil pengujian pada sistem yang telah dirancang, pengenalan dengan metode segitiga wajah memiliki keakurasian 92% di pencahayaan 104 lux dan keakurasian 84% di pencahayaan yang lebih rendah yaitu 53 lux
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