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All Journal Paradikma: Jurnal Pendidikan Matematika Jurnal Daya Matematis Jurnal Cendekia : Jurnal Pendidikan Matematika Jurnal Perspektif Imajiner: Jurnal Matematika dan Pendidikan Matematika bit-Tech Humantech : Jurnal Ilmiah Multidisiplin Indonesia Innovative: Journal Of Social Science Research Ulil Albab
Khairani, Nerli
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Journal : Jurnal Daya Matematis

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The Effect of the Problem-Based Learning Model on Mathematical Communication Skills and Learning Motivation of Eighth-Grade Students at MTs Negeri 2 Medan Pakpahan, Aida Fitri Harun; Surya, Edy; Khairani, Nerli
Daya Matematis: Jurnal Inovasi Pendidikan Matematika Vol 13, No 2 (2025): Juli
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jdm.v13i2.74604

Abstract

The purpose of this study is to determine: (1) Whether there is an effect of the Problem-Based Learning model on students' mathematical communication skills. (2) Whether there is an interaction between the Problem-Based Learning model and students' initial mathematical ability (KAM) on their mathematical communication skills. (3) Whether there is an effect of the Problem-Based Learning model on students' learning motivation. (4) Whether there is an interaction between the Problem-Based Learning model and students' initial mathematical ability (KAM) on their learning motivation. This study is a quasi-experimental design. The population in this study was all students at MTs Negeri 2 Medan. Then, two classes were randomly selected, class VIII-D (30 students) and class VIII-E (30 students). The experimental class was given the Problem-Based Learning model treatment, and the control class was given the usual learning treatment. The instruments used consisted of: (1) a mathematical communication ability test, and (2) a student learning motivation questionnaire. These instruments were found to meet validity requirements, as well as reliability coefficients for mathematical communication ability and the learning motivation questionnaire. Data analysis was conducted using a two-way ANOVA. The results of the study indicate that (1) There is an effect of the Problem-Based Learning model on students' mathematical communication ability. (2) There is an interaction between the learning model and initial mathematical ability on students' mathematical communication skills. (3) There is an effect of the Problem-Based Learning model on students' learning motivation. (4) There is an interaction between the learning model and initial mathematical ability on students' learning motivation.
Developing Quantum Learning-Based Junior High School Mathematics Learning Media to Improve Critical Thinking Skills and Self-Efficacy in Eighth Grade Students Fadhilah, Puji Chairu; Dewi, Izwita; Khairani, Nerli
Daya Matematis: Jurnal Inovasi Pendidikan Matematika Vol 13, No 3 (2025): December
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jdm.v13i3.78147

Abstract

This study aims to develop interactive learning media based on iSpring Suite 11 on number pattern material using the Quantum Learning learning model to improve critical thinking skills and self-efficacy of junior high school students. This type of research is Research and Development (R&D) with the ADDIE model which includes the stages of analysis, design, development, implementation, and evaluation. The subjects of the study were eighth grade students at a junior high school in Medan City. The validation results showed that the developed media obtained a very valid category with an average score above 85%. Limited trials showed that this interactive learning media was effective in improving critical thinking skills and self-efficacy of students, with an average N-Gain of critical thinking skills of 0.68 (medium category) and self-efficacy of 0.71 (high category). Thus, interactive learning media based on iSpring Suite 11 is suitable for use as an innovative learning media in mathematics learning based on Quantum Learning, because it is able to improve critical thinking skills and self-efficacy of students
Co-Authors - Afrizal Adiva, Cut Tasya Amry, Zul Aritonang, Anggi Pasha E. Elvis Napitupulu, E. Elvis Edy Surya Fadhilah, Puji Chairu Farhan Anshari Ginting, Puspa Arinda Harahap, Rizki Khoiriah Hasibuan, Yulia Rinanda Hutabarat, Reinaldo Fernandes Matheus Hutasoit, Elizabeth Hutauruk, Grace Analia Stephani Izwita Dewi Kanaya, Niquita Sepha Mangunsong, Yohana Angeline Manihuruk , Oliver Juan Gery Manihuruk, Oliver Juan Gery Misbakhul Munir Nainggolan, Agnes Margareta Nst, Mas Berlian Pakpahan, Aida Fitri Harun Panggabea, Widi Ningsih Panggabean, Widi Ningsih Pohan, Dasrin Putri, Anastasya Rinanda, Yulia Safitri, Dhiena Sahat Saragih Said . Iskandar Saragih, Agnes Yulia Simanungkalit, Ada Novisari D. Simorangkir, Tri Gustini Sipayung, Kristin Natalia Br. Zulfahmi Indra, Zulfahmi Zulfia, Chairani