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Budi Irwansyah
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IDENTIFYING THE CRITICAL FACTORS OF STUDENTS’ DIFFICULTY UNDERSTANDING THE CONCEPT OF LOGARITHMS Ariyani Muljo; Budi Irwansyah; Wanda Darmawan; Juhendrifansyah; Ira Keumalasari
International Conference on Education, Science, Technology and Health (ICONESTH) 2023: ICONESTH
Publisher : International Conference on Education, Science, Technology and Health (ICONESTH)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46244/iconesth.vi.272

Abstract

Logarithms are one of the mathematics lesson materials in the algebra aspect which provide many benefits in everyday life. Despite the many benefits associated with logarithms, most students think that logarithms are something difficult and not worth learning. This research aims to determine important factors in students' difficulties in understanding the concept of logarithms. The samples were 99 class X students from three public high schools in Aceh Tamiang Regency. Data was obtained using a logarithm material diagnostic test instrument based on aspects of logarithms as an object, process, function, and contextual problems. From these four aspects, we identified 17 variables that caused students difficulty in understanding the concept of logarithms. The research results show that there are five main factors that cause students difficulties in understanding the concept of logarithms. These factors are: (a) connecting square roots with logarithms, (b) connecting logarithmic and exponential functions as inverses, (c) rules of logarithmic notation, (d) logarithmic graphs, and (e) simplifying logarithmic expressions
USING FUZZY ANALYTICAL HIERARCHY PROCESS TO PRIORITIZE MEASUREMENT INDICATORS OF EMPLOYEE WELL-BEING IN ORO KOPI GAYO COMPANY Budi Irwansyah; Yenny Suzana; Subria Mamis; Indriyani Indriyani
International Conference on Education, Science, Technology and Health (ICONESTH) 2023: ICONESTH
Publisher : International Conference on Education, Science, Technology and Health (ICONESTH)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46244/iconesth.vi.275

Abstract

The need to measure complex dimensions of social and humanitarian problems such as quality of life, welfare, and health which cannot be measured using classical techniques, provides an opportunity for the fuzzy logic approach to solve these problems thanks to its ability to work within a framework uncertainty, ambiguity, and unclear information. This research aims to prioritize indicators for measuring employee well-being at the Oro Kopi Gayo company in conditions of uncertainty. Using Chang's Extent Analysis Method in the Fuzzy Analytical Hierarchy Process, this paper evaluates five main components of employee well-being: work satisfaction, organizational respect for the employee, employer care, positive/negative emotions, and intrusion of work into private life. It is hoped that the results of this research can be used as a reference in further research to determine the influence of these five criteria on employee well-being at the Oro Kopi Gayo company
Co-Authors Ariyani Muljo Indriyani Indriyani Ira Keumalasari Juhendrifansyah Subria Mamis Suzana, Yenny Wanda Darmawan