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Yerimadesi
Universitas Negeri Padang
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The Influence of Gender and Problem-Based Learning Model on Students' Numerical Literacy in Chemistry Yerimadesi; Andromeda; Guspatni; Fauziah; Febrila, Putty Zinda; Makrooni, Golaleh
Jurnal Pendidikan IPA Indonesia Vol. 15 No. 1 (2026): March 2026
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpii.v15i1.37300

Abstract

Chemical numeracy is essential for understanding quantitative concepts in chemistry; however, there are indications of achievement gaps between male and female students. This study aims to analyze the influence of gender on students' numeracy skills when implementing the Problem-Based Learning (PBL) model. This study employed a quasi-experimental design with a nonequivalent control group. The study population consisted of Phase F students at three high schools in West Sumatra, Indonesia. The sample comprised 188 students selected through purposive sampling based on initial ability equivalence. The research sample came from three schools, each serving as a research context for different topics: salt hydrolysis (experimental class = 33; control class = 30), reaction rates (experimental class = 35; control class = 35), and chemical equilibrium (experimental class = 26; control class = 29). The research instrument consisted of a chemistry numerical literacy test on reaction rates, chemical equilibrium, and salt hydrolysis, which experts had validated. Instruction in the experimental classes used the PBL model, while the control classes used conventional instruction, as typically implemented in schools. Data were analyzed using the N-gain test, normality test, homogeneity test, and Two-Way ANOVA. Results showed that improvement in numerical literacy in chemistry was greater in PBL classes than in control classes. Statistical analysis indicated that the PBL model had a significant effect on improving numerical literacy in chemistry. Gender was significant in only one school, and the interaction between the learning model and gender was also significant there, suggesting that the model's effectiveness may vary by context. These findings indicate that PBL is effective in enhancing students' numerical literacy in chemistry and imply that chemistry instruction should be designed around problem-solving approaches to develop quantitative reasoning and a contextual understanding of chemical concepts.
Effect of a Using PBL-based Chemical Equilibrium E-Module on Students’ Science Literacy Skills: A Quasy-Experimental Study in Indonesian High School Nikmatusyadiah; Yerimadesi
IJCER (International Journal of Chemistry Education Research) VOLUME 10, ISSUE 1, APRIL 2026
Publisher : Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ijcer.vol10.iss1.art5

Abstract

Scientific literacy is a crucial competency in modern education. However, limited studies have examined its impact on science literacy within the Indonesian Phase F curriculum context. This research seeks to investigate the effect of using a problem- based learning (PBL) e-module on chemical equilibrium on the science literacy skills of Phase F students at SMAN 9 Padang. It employs a quasi-experimental method with a non-equivalent control group design. The population consists of Phase F students at SMAN 9 Padang, while the sample includes Class XI F3 (27 students) and Class XI F8 (27 students). The samples were selected through purposive sampling to meet the research criteria, namely students with relatively similar ability levels. The research instrument consisted of a test designed to measure students’ science literacy abilities. Data were analyzed using N-gain calculations, normality and homogeneity tests, as well as hypothesis testing. The findings indicate that the average N-gain in the experimental group (0.55) is higher than that in the control group (0.45). The results of the normality and homogeneity tests show that the data are follow a normal distribution and are homogeneous. Furthermore, the hypothesis testing using a t-test revealed that the obtained t-count value (2.3781) is greater than the critical t-table value (1.6747). These findings indicate that the use of a PBL-based chemistry equilibrium e-module provides a significant effect on enhancing students’ science literacy in high school.
The Relationship between Academic Persistence and Student Achievement in Chemistry and Its Implications for Curriculum Development: Hubungan Kegigihan Akademik dengan Prestasi Mahasiswa Kimia dan Implikasinya terhadap Pengembangan Kurikulum Hulu, Joseph Rezeki; Rivaldo, Ifan; Yerimadesi, Yerimadesi; Hasanah, Afifah Nur; Sahalina, Dwinita
SEARCH: Science Education Research Journal Vol. 4 No. 2 (2026): April 2026
Publisher : IAIN Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47945/search.v4i2.2836

Abstract

Student achievement is an important indicator in assessing the quality of higher education, but this achievement still shows significant variation, indicating the influence of internal student factors. One non-cognitive factor suspected to play a role is academic persistence, namely the ability to maintain effort and consistency in achieving long-term goals. This study aims to analyze the relationship between academic persistence and student achievement and its implications for curriculum development. The study used a quantitative approach with a survey. Participants were 192 undergraduate students in Chemistry Education and Chemistry Science at Padang State University, selected using stratified random sampling. Data were collected using a Likert-scale questionnaire to measure academic persistence and documented GPA as an indicator of achievement. Data analysis included validity, reliability, and normality tests, as well as Pearson correlation and simple linear regression. The results showed that the instrument had good validity and high reliability, with a Cronbach's Alpha value of 0.784. The normality test indicated that the data were normally distributed (p = 0.071). The results of the correlation analysis indicate a strong and significant positive relationship between academic persistence and student achievement (r = 0.780; p < 0.05). The regression results show a coefficient of determination (R²) of 0.609, which means that academic persistence contributes 60.9% to the variation in student achievement. This finding indicates that the higher the academic persistence, the higher the student achievement. The implications of this study emphasize integrating non-cognitive character strengthening into curriculum development. This can be realized through Project-Based Learning, process-based assessment, lecturers as facilitators providing constructive feedback, and supporting programs such as growth mindset training, academic mentoring, and stress management to produce graduates who are academically strong and resilient.
VALIDITAS BUTIR SOAL IPA FISIKA SMP VII Dr WAHIDIN SUDIROHUSODO Juanta, Palma; Sijabat, Apriani; Festiyed, Festiyed; Yerimadesi, Yerimadesi
Jurnal Tunas Pendidikan Vol. 6 No. 1 (2023): JURNAL TUNAS PENDIDIKAN
Publisher : LPPM Universitas Muhammadiyah Muara Bungo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52060/pgsd.v6i1.1253

Abstract

The aim of the study was to measure and find out the validity of the points in Science Physics questions for class VII SMP Dr. Wahidin Sudirohusodo regarding the subject matter of temperature and heat through a quantitative descriptive approach and data collection techniques which were carried out using a test technique in the form of temperature and heat questions totaling 25 items in the form of multiple choices. The population used was all students of class VII SMP Dr. Wahidin Sudirohusodo as many as 224 students spread over 7 parallel classes, 40 students were taken randomly. The sampling technique used is simple random sampling. Data were analyzed using the Anates program version 4 for windows. The results showed that the level of validity of the questions was moderate, namely 0.42. Keywords: Validity, Problem, Science Physics
Co-Authors Abdul Razak Abdul Razak Achie Keylla Adzanal Maghribhi Afendi, Silvia Afriandi, Muhammad Aini, Faizah Qurrata Alifa, Zaqiya Zahwa Alizar Alizar Alizar Alizar Alysa Luthfiani Amanda Mareza Amanda, Refni Juwita Ameliana Fitriyanti Ananda Putra Andromeda Andromeda Andromeda Andromeda Andromeda, A. Angreni, Siska Antika, Rindi APMIYANTI, TIARA Aprelianda, Nola Apriani Sijabat Aprilia Susilo, Resti Ardiansyah, Nofry Arfianti, Fina Ariani, Siti Nurfaizah Asnizar, Asnizar Asrizal AYU WULANDARI Az Zahra, Mentari Azizah Kristalia Azla Ismathulhuda Bahrizal Rizal Bali Yana Fitri Bayharti . Bayharti Bayharti Bayharti Bayharti Budhi Oktavia Darmanella Dian Eka Wati Debby Firmantia Putri Desnita Desy Kurniawati DESY KURNIAWATI Desy Kurniawati Desyafrianti, Vanny Dewi Elsa Mona Dewi, Suci Firma Dinalia, Dinalia Dinda Kimala Defri dion, nofrion Dwi Finna Syolendra Effendi, Novicha Efwah Yuli Fitri Said Eka Kartikawati Eka Sovia Elga Joninda Putri Ellizar Jalius Erman, Sylvia Dwi Fadhilah, Najwa Fadila Maharani FADILLAH, MARSHANDA Faizah Qurrata Aini Faizah Qurrata Aini Fajriah Azra Fatni Mufit Fauzana Gazali Fauziah Febrila, Putty Zinda Festiyed Festiyed Festiyed Festiyed Festiyed Festiyed Festiyed, Festiyed Firmantia Putri, Debby Fitri Amelia Fitri Amelia Fitri Arsih Fitria Wijayanti, Fitria Fitriani, Mediana Friyatmi Friyatmi Gunawan, Revi Gina Gunawan, Rilla Gina Guspatni Guspatni Guspatni Hafiza, Ufaira Haifa Hafifah Hardeli Hardeli Hardeli - Hardeli Hardeli Hardeli Hardeli Hardeli Hardeli Hardeli Hardeli Hasanah, Afifah Nur Heffi Alberida Hendri, Jhon Hulu, Joseph Rezeki Humaira, Zulfa Ifan Rivaldo Ilahi, Dian Purnama Ilwandri Ilwandri Ilwandri, Ilwandri Indah Muspita Indang Dewata Irdes Hidayana Siregar Irfandi Irfandi Irma Mon Irma Mon Irma Mon Iryani Iryani Isti, Meila Iwefriani Iwefriani Iwefriani, Iwefriani Izzati, Fitria Jaslin, Syafriffah Jasniar, Jasniar Jr, Fachrur Rachman Juanta, Palma julia Wulandari Julia Wulandari, Julia Junil Adri Jupinta, Agusri Kamilah, Rodiatul Khairurrazak, Khairurrazak Kristalia, Azizah Kurnia, Reni Kurniawan, Niko Ladisa Fergie Imanah Lasmana, Oria Legi, Wiwit Fitrah Leli Astuti LESTARI, TASYA Lillah Fitri Lisa Utami Lufri Lufri Mahesa, Anggita Maifil Dwi Andrean Makrooni, Golaleh MARCHELINA, SALSABILLA Marwiyah Nst, Masringgit Mawardi Mawardi Mega Elvianasti Melati Wahyuni Miftahul Khair Minda Azhar Minda Azhar Monita Sari Munifa Mahdiah Mutiara Sakinah Nadia Julianti Nadia Marsila Nadia, Nadia Afrianti Nadya UP Najmi Elsoraya Nasution, Doli Indra Nikmatusyadiah Nofita, Agnes Nofri Yuhelman Nofri Yuhelman Nofrianto Nofrianto Nofrianto Nofrianto Nola Aprelianda Noliea Nurfitriana . Nurhasnah, Nurhasnah Nurul Aripin Oktavirayanti, Risa Palma Juanta Palma Juanta Pebrianti, Puji Pratiwi, Fitra Adinda Putra, Ananda Putri Hartika Putri, E. J. Putri, Hanna Salwa Putri, Yunella Eka Qiram, M. Abdul Rahimah, Nikmatur Rahmanelli Rahmanelli Rahmatillah Wanti Ramayanti, Nofia Ranti Gusti Rahayu Ratih Komala Dewi Ratih, Arista Raudhatul Jannah Ray Alfandi Gunawan Refi Yeni Revi Gina Gunawan Rezki Pratama Rifka Andani Riga Riki Zaputra Rindiany, Nindy Aprillia Ririanti Ririanti Ririanti, Ririanti Risa Oktavirayanti Rivo Juita Sudirman Romi Habibi Rona Rona Taula Sari, Rona Taula Rosanna, D. L. Rosi Efliana Safitri, Sauli Sahalina, Dwinita Sakinah, M. Sakinah, Mutiara Salsabila, Diva Sandijal Putra Santosa, Tomi Apra Saputra, Sabrizal Septiani, Ulfa Shelvy WA Siagian, Gunaria Silvanny Silvanny Siska Handa Yani Sisri Wahyuni Skunda Diliarosta Skunda Diliarosta Sofianora, Aulia Sovia, Eka Sridefa Rahmi Suci Firma Dewi Suryani, Okta Suryelita Suryelita . Syafrilianto, Syafrilianto Syamsiar, Syamsiar Syukri S Teguh Febri Sudarma Titis Wulandari Tomi Apra Santosa Tomi Apra Santosa Trierdam, Gindi Lajen Ulfa Autafia Ulfa Khaira Ulfa Khaira, Ulfa Ulfa Weni Ulianas, Alizar Utomo, Erwin Pri Vina Dewisartika Viola Dwicha Asda Viona Maharani Warlinda, Y. A. Wely Pramunando Wica Widyanda Wildayati Wildayati Wildayati, Wildayati Winda Permatasari Witri, Rahmi Eka Yeni Nurpatri Yohandri Bow Yondriadi Yondriadi Yul Ifda Tanjung Yuli, Serli Sukma Yulia Asri Warlinda Yulkifli Yuni Adha Yuni Ahda Yuni Ahda Yusmaita, Eka Zahra Ade Wahyuni Zonalia Fitriza Zul Afkar Zulherman Zulyusri Zulyusri Zuwita, Ariani