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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) JISIP: Jurnal Ilmu Sosial dan Pendidikan Hydrogen: Jurnal Kependidikan Kimia Abdi Masyarakat Hydrogen: Jurnal Kependidikan Kimia Lumbung Inovasi: Jurnal Pengabdian Kepada Masyarakat Empiricism Journal Biocaster : Jurnal Kajian Biologi Educatoria : Jurnal Ilmiah Ilmu Pendidikan Nuras : Jurnal Pengabdian Kepada Masyarakat Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan
Yusran Khery, Yusran
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Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Energy Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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Journal : Jurnal Penelitian Pendidikan IPA (JPPIPA)

 1 
Correlation Profile of Cognition Levels and Student Ability to Solve Problems in Biodiesel Synthesis Hulyadi, Hulyadi; Bayani, Faizul; Muhali, Muhali; Khery, Yusran; Gargazi, Gargazi
Jurnal Penelitian Pendidikan IPA Vol 9 No 6 (2023): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i6.3130

Abstract

Covid-19 has had a huge impact in all sectors. The socio-economic sector experienced the heaviest impact. One of the sectors affected is the world of education. Education is now transforming from face-to-face learning to online learning. Online learning is very helpful for students during covid-19. In addition to having a positive value, online learning also contains a negative value. For example, students' interest in reading increases, but on the other hand, students' reading power is low. Low reading power has an impact on decreasing the cognitive level of students. The purpose of this research is to first identify the cognitive level profiles and students' abilities in solving problems in the synthesis of biodiesel from used cooking oil. Analyzing the correlation between cognitive level and students' ability to solve problems. This research is a correlational descriptive research. This research was conducted on fourth semester chemistry education students who were taking an instrument chemistry course and determining the structure of organic compounds. Cognitive level and problem-solving ability were measured using a rubric for assessing cognitive level and student problem-solving ability. The data obtained is then described in graphical form. The data was then tested for correlation using the SPSS product moment correlation test. In this study, it was found that the cognitive level of most students entered at C2 and C3 levels and the average problem solving ability was 53.84. The results of the correlation test show that the cognitive level is positively correlated with the ability of students to solve problems. This is evidenced by the comparison of the value of r count 0.724> r table 0.44. Based on the results of this study, it can be concluded that the cognitive level and problem solving abilities of students are still low. Cognitive level and problem solving ability are positively correlated
Penggunaan PhET Simulations sebagai Laboratorium Virtual untuk Meningkatkan Keterampilan Memecahkan Masalah Mahasiswa Mashami, Ratna Azizah; Ahmadi; Kurniasih, Yeti; Khery, Yusran
Jurnal Penelitian Pendidikan IPA Vol 9 No 12 (2023): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i12.6549

Abstract

In the Radiochemistry course so far there have been no experimental activities because there are no laboratory facilities.  However, with the use of technology, students can now easily access a wealth of educational resources online. This research aims to determine the effect of using the PhET Simulations as a virtual laboratory on students' problem solving skills. This research used mixed methods that combines quantitative and qualitative research. A quasi-experiment was carried out using a one group pretest-posttest design then continued with in-depth interviews. The instruments used in this research consisted of written tests to collect data on problem solving skills, questionnaires to collect student response, and interview guides to collect data on the problem solving process. Data in the form of problem solving skills were analyzed statistically using the SPSS 22.0 program while data obtained through questionnaires and interviews were analyzed descriptively. The results of the hypothesis test using Wilcoxon signed rank test show a significant value of 0.001, which means that PhET simulations as a virtual laboratory improve students’ problem solving skills. Students are divided into high-medium-low groups based on problem solving ability and the majority of students are in the medium-ability group. Students responded positively to PhET Simulations as a virtual laboratory. In addition, interview transcripts provide an overview of how students think when solving chemistry problems.
Laboratory Assessment of Nyamplung Seeds (Calophyllum Inophyllum Linn) Base Cosmetic Products Khery, Yusran; Hakim, Aliefman; Rokhmat, Joni; Sukarso, AA; Hatimah, Husnul; Wati, Febriana Lidia
Jurnal Penelitian Pendidikan IPA Vol 10 No 8 (2024): August
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i8.9050

Abstract

The development of the cosmetics industry in Indonesia is currently very rapid with average market growth reaching 9.67 % per year. The high market potential gives rise to tight business competition in the cosmetics industry, thus encouraging manufacturers to continue to innovate to create new product variations to meet society's demands for cosmetics as a complement to an attractive everyday appearance. This study aims to evaluate the physical characteristics of facial masks, body scrubs and sunscreens from Nyamplung (Calophyllum inophyllum) seed extract at various concentrations (5%, 10%, 15%). The test results showed that the three preparations met the standard physical property test parameters (organoleptic, pH, viscosity, spreadability, etc.). The facial mask formula with 10% extract was most liked by the panelists. Body scrub and sunscreen formulas with 10-15% extract also provide the best physical test results. The SPF value of sunscreen increases with increasing extract concentration up to the ultra category (SPF 17.42 at 15%). This study concludes that Nyamplung seed extract has the potential to be used as a natural ingredient for facial masks, body scrubs and sunscreen with an optimum concentration of 10-15%. Further research is needed regarding antioxidant activity and product stability testing. Overall, the three cosmetic preparations from Nyamplung seed extract show good prospects for development by paying attention to the best extract concentration of each product
Considering Students’ Propensity of Divergent or Convergent in Executing Science Project Sholehah, Ardiana; Nufida, Baiq Asma; Habibi, Habibi; Dewi, Ika Nurani; Khery, Yusran
Jurnal Penelitian Pendidikan IPA Vol 10 No 9 (2024): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i9.9134

Abstract

This study examines student performance in project-based learning by assessing their tendencies toward divergent or convergent thinking. A questionnaire was developed to help teachers identify and maximize the thinking potential of individual students during the learning process. The research involved 149 junior high school students from West Lombok for validity and reliability testing and 84 respondents for the categorization trial. Instruments were validated by experts using descriptive methods and percentage scores. Validity was determined through product moment correlation coefficients, while reliability was assessed using alpha reliability coefficients. Categorization utilized non-level (nominal) categorization methods. The study employed a pre-experimental approach with a one-shot case study design, involving 33 eighth-grade students in a local natural pesticide project. Student performance was evaluated through practical skill assessments and comprehensive portfolios. Data analysis used percentage and comparative statistical methods. Results showed the questionnaire contained 40 items—20 each for divergent and convergent thinking—with an expert validation score of 89.50, rated excellent. All items were valid, with correlation values exceeding the critical threshold (rtable = 0.16). Reliability scores were high for divergent and convergent groups (0.64 and 0.72) and satisfactory for all items (0.55). The questionnaire effectively categorized up to 20% of subjects into divergent and convergent groups. The study revealed significant performance differences between the two groups and recommends mixing students with divergent and convergent propensity in group projects to enhance outcomes.
Co-Authors - Khaeruman Accraf, Lalu Bhabiet Rinjani Agus Muliadi AHMADI Ahmadi, Hari Prima Ahzan, Sukainil Ali Djamhuri Ali Ramdani Aliefman Hakim Anjani, Isya Ardiansyah, Bakhtiar Ariani, Dwi Asma Nufida, Baiq Asmawati Asmawati Asrorul Azizi Astuti, Mei Dwi Baiq Asma Nufida Bayani, Faizul Bilad, Muhammad Roil Citra Ayu Dewi Dahlia Rosma Indah Damayanti, Elok Efendi, Ismail Endang Budiasih Gargazi Gargazi Gita, Paras Purnama Habibi Habibi Hamidi Hamidi Harianto, Arifin Harisanti, Baiq Muli Hasinarmi, Hasinarmi Hendrawani, Hendrawani Hulyadi, Hulyadi Husnul Hatimah, Husnul Ika Nurani Dewi Iswari, Nurma A. Jailani, Abdul Kadir Joni Rokhmat Kahpiyati, Kahpiyati Khaeruman Khatimah, Nurhusnul Kurnia, Nova Kusumawardhani, Ria M. Muhali Maeni, Maeni Mesarah, Siti Miftahul Aini, Miftahul Muh. Zaini Hasanul Muttaqin Muhammad Sarjan Muhammad Yamin MULIA RASYIDI Nurwanti, Hifzani Oktaffi Arinna Manasikana PAHRIAH, PAHRIAH Pahriah, Pahriah Pangga, Dwi Pauzi, Iswari Prasetya, Dwi Sabda Budi Rahma, Arinda Yusfika Rahmatiah, Rindu Raodyatun, Raodyatun Ratna Azizah Mashami, Ratna Azizah Rizqiana, Abu Septiawan, Firman Sholehah, Ardiana Sili, Jeniana Uba SRI RAHAYU Sri Wahyuni Suci Cahyati Sudirman Sudirman Suhadi Ibnu, Suhadi Suhartini, Sriyanti Sukarso, Aa Supriani, Destri Suryati Suryati Suryati, S. Sutrisky, Lalu Edo Ulfanita, Mila Wati, Febriana Lidia Wiwik Handayani Yeti Kurniasih ZK Abdurahman Baizal