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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Journal of Social Research
Rita Retnowati
Universitas Pakuan, Bogor
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Economics, Econometrics & Finance Education Materials Science & Nanotechnology Physics Social Sciences

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The Development of a Virtual Laboratory Based on Problems in the Circulatory System Matter Yulia Ramdinawati Syam; Rita Retnowati; Surti Kurniasih
Jurnal Penelitian Pendidikan IPA Vol 9 No 10 (2023): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i10.5195

Abstract

Practicum in biology learning is an important element that allows students to observe, try, and test scientific concepts directly. However, the problems faced such as limited equipment, costs and time are obstacles. Therefore, the use of a virtual laboratory is needed to overcome this problem. This research aims to develop a problem-based virtual laboratory on circulatory system material. This virtual laboratory not only presents practical simulations that are close to reality but also challenges in the form of problems related to blood circulation that students need to solve. The laboratory was developed with a menu containing competencies, materials, practicums, and evaluations. The research method used was Research and Development (R&D) with the ADDIE model. The instrument was a questionnaire for 20 Biology teachers, expert lecturers, and students. The results showed the validity results of media and material experts of 94% and a VCR value of 0.969 which means valid so that it can be concluded that the development of problem-based virtual laboratories on circulatory system material is suitable for use as a medium in the learning process in High School
Strengthening Organizational Culture, Personality, Trust and Work Motivation in an Effort to Improve Teacher Performance Winda Suci Lestari Nasution; Soewarto Hardhienata; Rita Retnowati
Journal of Social Research Vol. 3 No. 4 (2024): Journal of Social Research
Publisher : International Journal Labs

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Abstract

This study aims to improve the performance of public junior high school teachers in Purwakarta Regency by strengthening organizational culture, personality, trust, and work motivation. The research used Path Analysis and SITOREM Analysis to analyze the data. The study involved 1,831 teachers across 78 schools in 17 sub-districts. Results showed that organizational culture, personality, confidence, motivation, trust, and motivation significantly influenced teacher performance. The indicators that were maintained or developed were conscientiousness, agreeableness, emotional stability, support from superiors, teaching planning and preparation, application of teaching methods and strategies, use of learning media, and behavior in managing classes. The study also identified indicators that needed immediate improvement. The findings will be used as recommendations for teachers, principals, school supervisors, and related education offices.
Co-Authors Soewarto Hardhienata Surti Kurniasih Winda Suci Lestari Nasution Yulia Ramdinawati Syam