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Journal : Hydrogen: Jurnal Kependidikan Kimia

Meta Analysis: The Effect of Project-based Learning on Students’ Learning Outcomes in Chemistry Learning Desyafrianti, Vanny; Aini, Faizah Qurrata
Hydrogen: Jurnal Kependidikan Kimia Vol 12, No 4 (2024): August 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i4.12315

Abstract

One of instructional model which can be implemented in Merdeka Curriculum is Project-based Learning (PjBL). In this model, students design a project based on their contextual understanding, thus having an impact on learning outcomes especially in knowledges aspect. Using meta-analysis with PRISMA method, researchers have traced various research articles and proceedings from 2020 to 2024 by using Publish or Perish with the keywords “project-based learning”, “learning outcomes”, “chemistry”, “pjbl”, “hasil belajar”, “kimia”. There are 200 articles found, after going through several stages there are seven articles that are the subject of this research. By calculating the effect size value of each study, the average effect size result was 1.1825 which was included in the high category. For summary that, the Project-based Learning model has an affect on student learning outcomes in chemistry learning, especially on the topics of acids and bases, colloids, chemical equilibrium, chemical bonds, solutions and thermochemistry.
Rasch Model Analysis to Develop Assessment Instruments for Student's Science Process Skills on Chemical Bonding Material Oktavianti, Femi; Aini, Faizah Qurrata
Hydrogen: Jurnal Kependidikan Kimia Vol 12, No 6 (2024): December 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i6.13941

Abstract

The assessment of student's science process skills (SPS) on chemical bonding material in schools does not yet meet the learning outcomes of the Merdeka curriculum, because the instruments used by teachers are more focused on knowledge aspects. The purpose of this research is to develop an assessment instrument for science process skills in the topic of chemical bonding. The type of this research is Research and Development (R&D) using the Rasch model modified by Liu. This research produced 18 questions tailored to the number of learning objectives in the chemical bonding material and the indicators of scientific process skills in the Merdeka curriculum, which consist of 1) observing, 2) questioning and predicting, 3) planning and conducting investigations. 4) processing, analyzing data and information, 5) evaluating and reflecting, and 6) communicating results. The logical validity test was conducted by 5 validators consisting of 3 chemistry lecturers from FMIPA UNP and 2 chemistry teachers from State Senior High School (SMAN) 1 Banuhampu. The raw validation data were analyzed using Minifaced software, which showed that the data were valid according to the model. The raw trial data on 60 students from SMAN 1 Banuhampu were analyzed using Ministep, showing that all questions met the criteria of being valid, reliable, and having good difficulty and discrimination indices according to Rasch. These results indicate that the developed instrument is effective in measuring students' SPS on chemical bonding material and can be used to support learning based on a scientific approach.
Meta Analysis: The Effect of Project-based Learning on Students’ Learning Outcomes in Chemistry Learning Desyafrianti, Vanny; Aini, Faizah Qurrata
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 4 (2024): August 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i4.12315

Abstract

One of instructional model which can be implemented in Merdeka Curriculum is Project-based Learning (PjBL). In this model, students design a project based on their contextual understanding, thus having an impact on learning outcomes especially in knowledges aspect. Using meta-analysis with PRISMA method, researchers have traced various research articles and proceedings from 2020 to 2024 by using Publish or Perish with the keywords “project-based learning”, “learning outcomes”, “chemistry”, “pjbl”, “hasil belajar”, “kimia”. There are 200 articles found, after going through several stages there are seven articles that are the subject of this research. By calculating the effect size value of each study, the average effect size result was 1.1825 which was included in the high category. For summary that, the Project-based Learning model has an affect on student learning outcomes in chemistry learning, especially on the topics of acids and bases, colloids, chemical equilibrium, chemical bonds, solutions and thermochemistry.
Rasch Model Analysis to Develop Assessment Instruments for Student's Science Process Skills on Chemical Bonding Material Oktavianti, Femi; Aini, Faizah Qurrata
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 6 (2024): December 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i6.13941

Abstract

The assessment of student's science process skills (SPS) on chemical bonding material in schools does not yet meet the learning outcomes of the Merdeka curriculum, because the instruments used by teachers are more focused on knowledge aspects. The purpose of this research is to develop an assessment instrument for science process skills in the topic of chemical bonding. The type of this research is Research and Development (R&D) using the Rasch model modified by Liu. This research produced 18 questions tailored to the number of learning objectives in the chemical bonding material and the indicators of scientific process skills in the Merdeka curriculum, which consist of 1) observing, 2) questioning and predicting, 3) planning and conducting investigations. 4) processing, analyzing data and information, 5) evaluating and reflecting, and 6) communicating results. The logical validity test was conducted by 5 validators consisting of 3 chemistry lecturers from FMIPA UNP and 2 chemistry teachers from State Senior High School (SMAN) 1 Banuhampu. The raw validation data were analyzed using Minifaced software, which showed that the data were valid according to the model. The raw trial data on 60 students from SMAN 1 Banuhampu were analyzed using Ministep, showing that all questions met the criteria of being valid, reliable, and having good difficulty and discrimination indices according to Rasch. These results indicate that the developed instrument is effective in measuring students' SPS on chemical bonding material and can be used to support learning based on a scientific approach.