Perancangan dan pembuatan sistem pakar untuk diagnosa penyakit anak menggunakan metode ketidakpastian yaitu Certainty Factor (CF). Tahapan perancangan sistem ini dimulai dengan mengakuisisi pengetahuan dari dokter ahli anak kemudian membangun basis pengetahuan dan memberikan nilai CF pada setiap gejala yang terkait dengan suatu penyakit anak dengan nilai range 0 dan 1. Dengan memilih gejala-gejala penyakit yang dilihat dan dirasakan maka sistem dapat mendiagnosa penyakit anak dan menampilkan penyakit yang memiliki gejala yang sama dengan diurutkan secara descending, dimana nilai terbesarlah yang merupakan hasil keputusannya. Pembuatan sistem pakar berbasis web ini dibangun menggunakan Framework Codeigniter. Dari hasil pengujian sistem didapatkan tingkat keakuratan penggunaan rumus CF dalalam implementasi mendiagnosa penyakit RFA (Rhinofaringtis Akut) adalah 95%, penyakit GEA(Gastro Enteritis Akut) adalah 70%, penyakit ISK (Innfeksi Saluran Kemih) adalah 70%, penyakit Faringtis adalah 68%, penyakit DM (Diabetes Melitus) adalah 50%. Berdasarkan perhitungan manual program yang diimplementasikan dengan sistem, metode Certainty Factor ini dapat memberikan hasil akurat yang didapatkan dari perhitungan berdasarkan bobot gejala yang dipilih pengguna dan mampu memberikan jawaban pada permasalahan yang tidak pasti kebenarannya seperti masalah diagnosa suatu penyakit.
This article was written as the stage of designing a blended learning assessment instrument model in elementary schools. This study aims to identify an assessment model that accommodates the realm of cognitive learning. The design phase of this research is based on the ADDIE model framework. The research population is all students of class V SDN 1,2, and 3 Karanganyar, the research sample is class V students at SDN 2 Karanganyar who have implemented blended learning. The data analysis technique used in this research is the descriptive data analysis technique. Based on the author's hypothesis, the stages of the development model that can be used based on the results of the analysis of assessment instruments for blended learning, there are three types of assessment, namely self-assessment, peer assessment, and teacher assessment. This triangle model is expected to accommodate the realm of learning in the implementation of blended learning assessment.
Kawasan indonesia merupakan bagian dari daerah tropis yang memiliki potensi kebakaran sangat tinggi terlebih pada musim kemarau, sehingga perlunya sebuah langkah kongkrit untuk dilakukan mitigasi supaya potensi-potensi kebakaran hutan itu menjadi terminimalisir. Untuk melakukan itu dibutuhkan suatu metode teknologi yang lebih mumpuni dan terbaru untuk memetakan wilayah-wilayah yang mempunyai potensi besar terjadinya kebakaran hutan. Sistem pencitraan dan Informasi dari sistem satelit (MODIS) adalah salah satu informasi tentang kondisi permukaan bumi, yaitu parameter Latitude, Longitude, Brightness, FRP (Fire Radiative Power), dan Confidence dapat dijadikan dasar pengelompokan suatu wilayah memiliki potensi kebakaran atau tidak. K-Means adalah salah satu metode dalam machine learning yang bisa digunakan sebagai salah satu metode dalam pengelompokan wilayah-wilayah tersebut. Akurasi dalam menguji hasil pengelompokan K-Means dapat diuji dengan metode Davies Bouldin Index (DBI) dan Silhouette Coefficient.
The purpose of this research was to develop a research-based reference book and applied it through the problem-based learning (PBL) using reference books in learning activities. The method for the reference book used the ADDIE development models. The reference book's effectiveness test results were conducted using a purposive sampling technique, with a total sample of 55 students and analyzed by t-test. The research results showed that the reference books of the development results were validated by media experts and material experts. The integration of the development of reference books in learning activities has an impact on increasing student understanding as demonstrated through the pre-test and post-test scores that differ significantly with t-value> t-table (4.149> 2.045) at p <0.05. Therefore, the development of the insect's immune system book with the PBL model increasthe student learning outcomes significantly. Also, this research has been able to improve students' ability and competence in solving problems in insects' immune system subject matter.
Article historyThe study aims to describe an implementation study of outdoor learning based science process skills based on a bio-literacy perspective. The method used is quantitative analysis to see the influence of implementation of science process skills, while to reveal the effect of each indicator of each predictor used qualitative descriptive analysis. The samples in this study were two groups of biology teacher candidates taken by cluster random sampling techniques. The research instrument is a science process skills test with data analysis techniques using Anacova. The results concluded simultaneously there was an influence on the implementation of the science process-based outdoor learning skills from the perspective of bio-literacy at a level of significance 0.05. To measure the ability of bioliteration, it is not only needed instruments at the level of conceptual understanding but instruments that can assess learning with scientific methods and practices. Practically science process skills can be an effort in mapping the domain of biological literacy.This is an open access article under the CC-BY-SA license.
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