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All Journal Jurnal Infinity Lentera: Jurnal Ilmiah Kependidikan Journal of Mathematics Science and Education Jurnal Muassis Pendidikan Dasar Jurnal Infinity
Sutrisno AB, Joko
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Education Mathematics

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PENGEMBANGAN BUKU SAKU DIGITAL BERBASIS MASALAH UNTUK MEMFASILITASI KEMAMPUAN PEMECAHAN MASALAH MATEMATIS Melinda, Tasya Safa; Sutrisno AB, Joko; Kirana, Arinta Rara

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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31540/jmse.v6i1.2623

Abstract

This research aims to analyze the feasibility of a problem-based digital pocketbook on the System of Two Variable Linear Equations (SPLDV) material developed in terms of its validity, attractiveness, practicality and effectiveness of use in facilitating mathematical problem-solving abilities. Product development using the ADDIE model was carried out in class VIII of SMP Negeri 7 Tulang Bawang Barat. Questionnaire and test techniques were used for data collection. The validation results for material experts obtained a score of 4.53, media experts 4.50 and language experts 4.36, which shows valid criteria. The average student response was 4.55 or interesting, and the teacher response was 4.83 or practical. From the evaluation results of students' mathematical problem-solving abilities after implementation, it is known that classical learning completeness reached 91% or very high. It can be concluded that problem-based digital pocketbooks are suitable for use as learning media to facilitate mathematical problem-solving abilities.
EVALUASI PEMBELAJARAN SECARA DARING PADA MASA PANDEMI COVID 19 DI PROGRAM STUDI PENDIDIKAN GURU SEKOLAH DASAR STKIP PGRI BANDAR LAMPUNG Supriyono, Supriyono; Sutrisno AB, Joko; Saputra, Fredi Chandra
Lentera: Jurnal Ilmiah Kependidikan Vol. 13 No. 2 (2020): Lentera
Publisher : STKIP PGRI Bandar Lampung

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Abstract

This study aims to describe the evaluation of learning during the Covid-19 pandemic at STKIP PGRI Bandar Lampung and the problems faced. This research is a quantitative descriptive study with a survey method conducted online. Primary data collection was carried out by distributing online questionnaires to 133 respondents of Elementary School Teacher Education students who experienced the impact of the Covid-19 Pandemic. In addition, supporting data with secondary data, namely documents, news, and articles related to online learning during the Covid-19 Pandemic. The results showed that the independent learning system seemed forced so that it made students feel bored quickly. For this reason, guidance is needed to foster the process of student learning independence, namely through positive discipline. The weakness in online learning is the lack of maximum student involvement.
Pengembangan Media Pembelajaran Interaktif Pada Materi Bangun Ruang Sisi Datar Kelas VIII SMP Al-Azhar 3 Bandar Lampung Tahun Pelajaran 2021/2022 Amatullah, Duta Cendikia; Sutrisno AB, Joko
Lentera: Jurnal Ilmiah Kependidikan Vol. 15 No. 1 (2022): Lentera
Publisher : STKIP PGRI Bandar Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52217/lentera.v15i1.775

Abstract

This research and development aims to (1) produce and develop products in the form of interactive learning media on flat-sided building materials for class VIII students of SMP Al-Azhar 3 Bandar Lampung (2) Knowing the quality of products in terms of validity as learning media and the effectiveness of using learning media products interactive material on flat-sided space construction for class VIII SMP Al-Azhar 3 Bandar Lampung. The procedure of this research is development research using the ADDIE development model with 5 stages carried out namely analysis, design, development, implementation, and evaluation. student response questionnaires and student evaluation tests. Interactive media validation is carried out by 6 expert lecturers who are competent in their fields. Then this interactive media was tested on class VIII students of SMP Al-Azhar 3 Bandar Lampung, and then the students responded through the response questionnaires given. The results of the validation of material experts on aspects of learning and content obtained a score of 69% with valid criteria. Media expert validation on aspects includes the display of specifications that get a value of 92% with very valid criteria. The validation of linguists on aspects of sentence structure determination and understanding of messages and information obtained a value of 100% with very valid criteria. After using the developed interactive media, students' learning mastery can be categorized as very good with the achievement of classical mastery of 95%, thus interactive media for class VIII is suitable for use as teaching materials.
EFEKTIVITAS PENGGUNAAN VIDEO PEMBELAJARAN DALAM MENINGKATKAN KEMAMPUAN KOMUNIKASI MATEMATIS SISWA KELAS VIII D SEMESTER GENAP SMP XAVERIUS PRINGSEWU TAHUN PELAJARAN 2020/2021 Pratiwi, Angelika Eka; Sutrisno AB, Joko
Lentera: Jurnal Ilmiah Kependidikan Vol. 14 No. 2 (2021): Lentera
Publisher : STKIP PGRI Bandar Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52217/lentera.v14i2.776

Abstract

The problems in this study related to the low mathematical communication skills. The purpose of this study was to determine the effectiveness of the use of learning videos in improving mathematical communication skills of class VIII D students in the even semesters of Xaverius Pringsewu Junior High School. This research is a Classroom Action Research (CAR) with the subject of class VIII D students totaling 25 students. The increase in mathematical communication skills is seen from the test results at the end of each cycle. The test of mathematical communication ability has first been tested for validity and reliability and declared to be in compliance. The indicator of the success of CAR is if students mathematical communication skills classically reach the minimum category of being and experience an increase in each cycle. The results showed that there was an increase in students mathematical communication skills, from the first cycle the percentage of completeness 32% increased to 80% in the second cycle with the achievement of medium, high, and very high categories. This can also be seen from the achievement of the average value of the acquisition of students mathematical communication skills in the first cycle of 59,76 an increased to the second cycle of 74,96. The result of student learning activities also showed an increase, from the first cycle the percentage was 59,4% and increased to 81,25% in the second cycle. Thus, it can be concluded that “the use of learning videos is effective in improving the mathematical communication skills of class VIII D students in the even semester of Xaverius Pringsewu Junior High School for the 2020/2021 Academic Year”.
Pengembangan Media Pembelajaran Bangun Ruang Berbasis Augmented Reality untuk Kelas V Sekolah Dasar Maulidia, Maulidia; Sutrisno AB, Joko; Lestari, Yulita Dwi
Lentera: Jurnal Ilmiah Kependidikan Vol. 17 No. 2 (2024): Lentera
Publisher : STKIP PGRI Bandar Lampung

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Abstract

This research aims to develop Augmented Reality-based learning media on spatial material that is suitable for use as a mathematics learning media for fifth grade elementary school students. This research uses the R&D (research and development) method with the ADDIE development model. The feasibility of the learning media developed is reviewed from validity by material, media and language experts. In addition, the responses of educators and students to the use of the learning media developed were analyzed. The research was carried out at SD Negeri 2 Susunan Baru in the 2023/2024 academic year. Based on the validation results of material experts, media experts and language experts, it is known that the Augmented Reality-based spatial learning media developed is very feasible. After implementation and evaluation activities, it was discovered that the response of educators and students to the use of Augmented Reality-based learning media was very interesting. Thus it can be concluded that the learning media developed based on Augmented Reality is very feasible and very interesting to use as a learning media for mathematics learning in spatial building material for class V elementary school.
Students’ mathematical justification abilities in analyzing ChatGPT’s answers Sutrisno AB, Joko; Pratama, Elvandri Yogi; Putra R, Andika; Nasution, Syaiful Hamzah; Lestyanto, Latifah Mustofa
Jurnal Infinity Vol 14 No 2 (2025): VOLUME 14, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i2.p445-460

Abstract

This study investigates students' mathematical justification abilities in analyzing answers obtained from one of the Artificial Intelligence (AI) based services, namely ChatGPT. The subjects of this descriptive qualitative study are 13 fourth-semester students of STKIP-PGRI Bandar Lampung. They were asked to utilize ChatGPT to solve two linear equation system questions adopted from Indonesian university entrance tests in 2019. The students were then requested to analyze and justify the responses generated by ChatGPT. The justifications from students were then analyzed to see their abilities and determine whether the answers from ChatGPT were correct. As many as 61.54% of the respondents could understand the instructions of the two questions and provide reviews for the answers generated by ChatGPT. 38.46% of the respondents did not understand the questions' instructions. The results showed that students may have lacked the necessary ability to analyze the AI-generated answers in depth and explain them in detail. This may be due to weak mastery of the basic concepts of the material and a lack of accuracy. The findings call for paying more attention to students' mathematical justification abilities in the current AI-assisted era.
Students’ mathematical justification abilities in analyzing ChatGPT’s answers Sutrisno AB, Joko; Pratama, Elvandri Yogi; Putra R, Andika; Nasution, Syaiful Hamzah; Lestyanto, Latifah Mustofa
Jurnal Infinity Vol 14 No 2 (2025): VOLUME 14, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i2.p445-460

Abstract

This study investigates students' mathematical justification abilities in analyzing answers obtained from one of the Artificial Intelligence (AI) based services, namely ChatGPT. The subjects of this descriptive qualitative study are 13 fourth-semester students of STKIP-PGRI Bandar Lampung. They were asked to utilize ChatGPT to solve two linear equation system questions adopted from Indonesian university entrance tests in 2019. The students were then requested to analyze and justify the responses generated by ChatGPT. The justifications from students were then analyzed to see their abilities and determine whether the answers from ChatGPT were correct. As many as 61.54% of the respondents could understand the instructions of the two questions and provide reviews for the answers generated by ChatGPT. 38.46% of the respondents did not understand the questions' instructions. The results showed that students may have lacked the necessary ability to analyze the AI-generated answers in depth and explain them in detail. This may be due to weak mastery of the basic concepts of the material and a lack of accuracy. The findings call for paying more attention to students' mathematical justification abilities in the current AI-assisted era.
PENGEMBANGAN MEDIA MISTERY BOX PADA MATA PELAJARAN IPAS MATERI SISTEM PENCERNAAN UNTUK MENDUKUNG MINAT BELAJAR SISWA KELAS V SEKOLAH DASAR Kodiriyah, Ain Nun Sila; Sutrisno AB, Joko; Rahmawati, Endah
Jurnal Muassis Pendidikan Dasar Vol. 4 No. 2 (2025): Volume 4 Nomor 2 Mei 2025
Publisher : Primary School Teacher Education, Universitas Nahdlatul Ulama Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/g91q7e11

Abstract

This development research is motivated by the problem of less varied learning and low interest in learning among students. Teachers only use textbooks due to the lack of availability of learning media. This study aims to develop mystery box media, determine the feasibility of the media and the effectiveness of the media to support student interest. This research and development uses the ADDIE model with five stages, namely analysis, design, development, implementation and evaluation. Data collection techniques in this study are observation, interviews, and questionnaires. Based on the results of the validation of experts, the values obtained were material experts of 86.15% with the criteria of "very feasible", media experts of 96.6% with the criteria of "very feasible" and language experts of 88% with the criteria of "very feasible". Small group tests produced an average value of 100% with the criteria of "very high". Field trials obtained an average value of 98.42% with the criteria of "very high". Thus it can be concluded that the development of mystery box media greatly supports student interest in learning and is feasible to use in the learning process.
Co-Authors Amatullah, Duta Cendikia Arinta Rara Kirana Elvandri Yogi Pratama Endah Rahmawati Kodiriyah, Ain Nun Sila Latifah Mustofa Lestyanto Lestari, Yulita Dwi Maulidia Maulidia, Maulidia Melinda, Tasya Safa Pratiwi, Angelika Eka Putra R, Andika Saputra, Fredi Chandra Supriyono Supriyono Syaiful Hamzah Nasution