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Yenita Roza

Universitas Riau

Author-ID : 364872

Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Mechanical Engineering Physics Social Sciences Other

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Development of problem-based learning mathematics tools for linear programming to facilitate students' mathematical communication skills Yeyen, Vioskha; Roza, Yenita; Murni, Atma
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 7 No. 1 (2024): Jurnal Absis
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v7i1.2495

This research is driven by the challenges teachers face in designing learning tools aligned with the 2013 curriculum. The purpose of this study is to develop mathematics learning tools based on the Problem-Based Learning (PBL) model to enhance students' mathematical communication skills, ensuring these tools are both valid and practical. The developed learning tools include a syllabus, Lesson Plan, and Student Worksheets. The development process follows the 4-D model, which consists of the stages: Define, Design, Develop, and Disseminate. The subjects of this study were 35 students from class XI at SMAN 5 Tapung. Research instruments included validation sheets to assess the feasibility and validity of the learning tools and student response questionnaires to evaluate the practicality of the student worksheets. The analysis of validation data revealed that the mathematics learning tools are highly valid, with an average rating of 94% for the syllabus, 95% for the lesson plan, and 92% for the student worksheets. The practicality data analysis showed that the student response ratings categorized the tools as very practical, with an average rating of 88.37%.

Computer-Based Media for Learning Geometry at Mathematics Class of Secondary Schools Roza, Yenita; Yuanita, Putri; Saragih, Sehatta; Alfajri, Hadiyanta; Saputra, Andespa
Journal of Educational Sciences Vol 1. No. 1. July 2017
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.1.1.p.79-91

This research is aimed at developing computer-based media formathematics learning. This media used interactive model to help studentsunderstand the topic of lines, angles and rectangular. This developmentresearch applied development model by Borg and Gallmodified bySugiyono.The study began by finding the potentials materials and itsproblems followed by astudy of literature. The subject in this research isline, angle and rectangular,including rectangle, square and trapezium.Product design was done through two stages: paper-based design andcomputer-based. The applications used for product design are MicrosoftFrontpage, Microsoft Power Point and Photoshop. Learning media werevalidated by three experts or validators and were revised based on the inputfrom the validators. The revised learning media were tested on two stages: asmall group test consisting of five respondens and a large grouptestconsisting of forty respondens. Based on the analysis of data and discussion,it can be concluded that computer-based mediafor mathematics learning isvalid with an average score of 3.17 on aspect of materials and 3.18 fromaspects of media. This computer-based media formathematicslearning alsohad practicalities with an average score of 97,92% on a small group test and99,22% in the large group test.

Development of Learning Tools with the Application of Learning Inventions to Improve Mathematical Problem Solving Ability Social Arithmetic Material Ningsih, Fadriati; Murni, Atma; Roza, Yenita
Journal of Educational Sciences Vol 4. No. 1. January 2020
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.4.1.p.44-52

The results of the preliminary study indicate that the learning tools used by the teacher do not meet the 2013 curriculum rules. This study aims to produce learning tools with the application of discovery learning to improve Mathematical Problem Solving Ability (KPMM) on social arithmetic materials for grade VII junior high school. This study used the Borg and Gall development model with stages: (1) research and data collection; (2) planning; (3) development of learning tools; (4) limited trials; (5) product revisions; (6) field trials; (7) product revisions; (8) final product test; (9) revision of the final product; and (10) dissemination and implementation. The validation results showed that it was very valid with consecutive average percentages for KPMM problems that were 94.64%, syllabus was 90.10%, RPP was 93.14%, and LKPD was92.60%. In the final product test phase, learning tools wereused through pre-experimental research to see the increase in KPMM. The final product test results indicated that there was an increase in KPMM of students using learning tools. This means that the learning tool with the application of discovery learning in social arithmetic material in class VII SMP has been valid, practical, and effective.

Development of Learning Tools by Application of Problem Based Learning Models to Improve Mathematical Communication Capabilities of Sequence and Series Materials Atika, Nur; Roza, Yenita; Murni, Atma
Journal of Educational Sciences Vol 4. No. 1. January 2020
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.4.1.p.62-72

This research was motivated by the lack of learning tools that can improve students' Mathematical Communication Skills (KKM). Activities that can encourage students to improve KKM have not been designed by the teacher in the learning device properly. This study aims to produce learning tools by applying Problem Based Learning models to improve KKM. This development research used the ADDIE development model with the stages of Analysis, Design, Development, Implementation, and Evaluation. The results of Syllabus, RPP, LKPD and KKM validation results showed highly valid criteria with percentages of91.67%, 91.30%, 89.09%, and 87.15%, respectively.Practicality results indicate a very practical criterion with the percentage of small group trials at 95.57%, large group trials at 96.07%, and teacher responses at 96.25%. The effectiveness test results state that KKM of students who use learning tools with PBL models is better than KKM of students who use conventional learning.

Development of Learning Tools with the Discovery Learning Model to Improve the Critical Thinking Ability of Mathematics Putri, Anike; Roza, Yenita; Maimunah, Maimunah
Journal of Educational Sciences Vol 4. No. 1. January 2020
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.4.1.p.83-92

This research was motivated by the still limited learning of mathematics as a means of supporting learning in the 2013Curriculum. The purpose of this study was to produce some products in the form of learning devices (syllabus, RPP andLKPD) on the material for the flat side building of VIII Middle School with discovery learning models that meet valid, practical, and effective criteria for improving students mathematical critical thinking skills. Learning tools are developed using the 4-D model, which are define, design, develop and assess. The research instrument used was an instrument of validity in the form of a validation sheet to assess the feasibility of the syllabus, RPP and LKPD as well as a practical instrument in the form of a teacher observation sheet activity in applying the discovery learning model and student questionnaire responses to assess the practicality of LKPD. The results of the validation of the experts stated that the product developed reached a valid category with an average rating of 76.67% for syllabus, 76.67% for RPP and 88.04% for LKPD. Learning devices are considered very practical in small group trials with an average response of 96.44% students and large group trials from the observation sheet of teacher activity 93.71% and the average response of students87.77%. The learning tools have been proved to improvestudents mathematical critical thinking skills in terms of an average N-gain of 0.53 in the medium category.

Mathematics Learning Media Development Using Realistic Mathematics Education Sugianto, Sugianto; Roza, Yenita; Maimunah , Maimunah
Journal of Educational Sciences Vol 4. No. 3. July 2020
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.4.3.p.668-678

This research aims to develop learning mathematics media using proven validity-PMR approach, practicality and effectiveness in improving HOTS of Junior High School students class VIII. This type of research was the development of ADDIE model consisting of analysis, design, development, implementation and evaluation. The tests were carried out in four phases, expert test, limited test, field test, and effectiveness test. The subjects in this study were teachers and students. The instruments used were validation sheet, student’s questionnarie, observation sheet and instrument test. The results show the learning media developed has fulfilled validity, practicality and effectiveness aspect. (1) The validity result shows the developed learning media in the category very valid with the average value on syllabus 3.81. While the learning plane (RPP) is 3.62, and student worksheet (LKPD) is 3.51, and test instrument is 3.45. (2) Limited test results shows the developed mathematical learning media in very practical category with score of 3.41. (3) Field test result shows the learning media developed is very practical, on teacher learning implementation observation sheet 3.62, on the student’s questionnaire 3.44. Finally, the developed learning media can be ready to use in the school.

Development of Computer Based Learning Media with A Scientific Approach to Probability Materials Dianta, Yudi Jepri; Roza, Yenita; Maimunah, Maimunah
Journal of Educational Sciences Vol 5. No. 1. January 2021
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.5.1.p.23--35

This study aims to produce computer-based learning media with a scientific approach to probability material. The development model used is the 4D model which consists of the stages of define, design, develop, and disseminate. The instrument used was a validity instrument in the form of a validation sheet and a practicality instrument in the form of a student response questionnaire. The data collection techniques used were validation sheets and student response questionnaires. The data analysis technique used in this research is quantitative data analysis and qualitative data analysis. Validation is carried out by four validators who are experts in their fields. A limited trial was conducted on 16 students of SMP Mutiara Harapan Pangkalan Kerinci. Students are divided into two groups, consisting of students with high, medium, and low abilities. Each group tries two learning media. From the results of data processing, it was found that the average validation of learning media on the media aspect was 3.47 with very valid criteria and the material aspect was 3.53 with very valid criteria. This means that all aspects of the device in the learning media developed are related consistently. While the average percentage obtained from the student response questionnaire in the limited trial was 90.59% with very practical criteria. This means that the learning media developed can be used in learning activities. It can be concluded that the learning media developed are valid and practical.

Development of Mathematic Learning Devices using Discovery Learning Models with Riau Cultural Context to Improve Students 'Mathematic Problems Understanding and Solving Ability Yani, Casmi Fitri; Murni, Atma; Roza, Yenita
Journal of Educational Sciences Vol 5. No. 1. January 2021
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.5.1.p.11-22

This research was motivated by the low Mathematical Comprehension Ability (KPM) and Mathematical Problem Solving Ability (KPMM) of students and the absence of learning tools that can properly solve the problem of low KPM and KPMM. The products that is produced from this research are syllabus, lesson plans, and LKPD using discovery learning models with the context of Riau culture to improve students' KPM and KPMM. The development model used the Borg and Gall model. The validity instrument was in the form of a validation sheet for the syllabus, lesson plans, and student worksheet. Practicality instrument was used in the form of student response questionnaire. The data collection technique was carried out by validating learning devices and distributing response questionnaires to students. The data analysis technique used the analysis of validity and analysis of practicality. The average validation of the syllabus was 3.7; RPP, namely 3.54; and LKPD namely 3.51 with each category very valid. The average student response questionnaire in the initial field trial was 88.57 with the very practical category. The learning tools developed have been valid and practical to improve students' KPM and KPMM.

Development of Mathematics Learning Tools with Problem Based Learning Model on Matrix Material to Facilitate Students' Critical Thinking Ability Pertiwi, Wiyana; Roza, Yenita; Yuanita, Putri
Journal of Educational Sciences Vol 5. No. 1. January 2021
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.5.1.p.156-165

The ability of students to think critically in mathematics is is still low. The lack of learning tools that are considered to facilitate students' mathematical critical thinking skills is one of the cause it. The purpose of this study was to develop a mathematics learning tool with a quality problem-based learning (PBM) model to facilitate students' mathematical critical thinking skills. The learning tools developed consisted of a syllabus, lesson plans (RPP) and student worksheets (LKPD) on the matrix material for class X SMK. This research was a development research using the Borg and Gall model. The development consists of six stages, namely: 1) research and data collection; 2) planning; 3) development of the initial product draft; 4) initial field trials; 5) revised trial results; and 6) dissemination and implementation. The subject of this research trial was the students of SMK Nurul Falah Pekanbaru. The instrument used was validation instrument for the syllabus, lesson plans, and student worksheet. Based on the results of the validation data analysis, it shows that the learning tools developed were very valid. The results of the validation of the syllabus were 85.11; the average RPP score was 86.02; and the average LKPD score was 86.40. The average student response questionnaire to the initial field trial was 85.93 with the very practical category. The learning device developed was valid and practical for use by class X SMK students.

Development of Students Work Sheets (LKPD) with A Problem-Based Learning Model (PBM) in The Context of Riau Traditional Games in Circle Materials Edwar, Suci Nitia; Roza, Yenita; Kartini, Kartini
Journal of Educational Sciences Vol 5. No. 2. April 2021
Publisher : FKIP-Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.5.2.p.374-382

This research is motivated by the lack of LKPD that provides steps that can guide students to understand the concept of material and the designed model is not appropriate to construct students' knowledge independently and there are no contextual problems that cause lack of interaction between students. LKPD will be more optimal if it is based on a learning model that teaches how to solve a problem. With the LKPD Problem Based Learning Model (PBM) students can gain learning experiences that teach real skills, investigation, and problem solving. The purpose of this study was to produce student worksheets (LKPD) through the application of the problem-based learning model (PBM) of SD Negeri 163 Pekanbaru students on circle material. This type of research is development research using the Borg & Gall model. The instruments in this study were validation sheets and student response questionnaires. The results of the study showed that the validity test of three validators on the syllabus was 91% with very valid criteria. While the practicality test for LKPD with a response questionnaire to six students showed an average percentage of 90.52% with the very practical category.

Co-Authors ', Zuhri D ', Zulkarnain AA Sudharmawan, AA Adawiyah, Nur Rabiatul Adifta, Engsas Diniati Afifahtunnisak Afifahtunnisak Aflah, Tania Agus Salim Daulay Aisyah Amini Alfajri, Hadiyanta Alfajri, Hadiyanta Alfiah, Nurul Aljufri Mardi Aljufri Andarini Diharmi Andespa Saputra Andri Kurniawan Anggraini, Yola Putri Anike Putri Anike Putri, Anike Anisa Hilmia Risdayati Anisa Putri Apriyani Apriyani Arisman Adnan Armis Armis Armis Ashanti, Rina Astika, Eliya Atika, Nur Atma Murni Atma Murni Atma Murni Atma Murni Atma Murni Aulia Bestari Awiyah, Awiyah Azizah Azizah Azizah, Nurul Izatul Bahrin Bahrin Batubara, Nur Asiah Bayu Irwandi Bella Putri Khairani Benny Hamdi Rhoma Putra Casmi F Yani Casmi Fitri Yani Casmi Fitri Yani Childa Kumala Azzahri, Childa Kumala Costa, Josefa Da Cut Eka Fitriana Damayanti, Nofita Darsono Simbolon Delfita, Ovemy Desnani Ulfa Devi Oktaviana Dewi Muliyana Dewi, Syintia Dewi Ananta Shinta Dewita Dewita Dewita, Dewitad Dianna Sulistyani Dianta, Yudi Jepri Dwi Wirda Lastari Edwar, Suci Nitia Eka Hayu Eka Puspita Sari Elfis Suanto Elina Elina Elsya Suharnita Engsas Diniati Adifta Eva Novita Nurhasanah Fadilah Gustin Khainingsih Fadriati Ningsih Faisal, Aditya Muh. Farhana, Atika Feni Maisyaroh Agsya Firzal, Yohannes Fitni Fitni Fitria Angela Fransiska, Yulianti Gumanti Gumanti Gumanti, Gumanti Gusri Yadrika Habibah, Ami Habiburrahman ' Hadiyanta Alfajri Hamidah, Agustin Hanum, Rodliah Harnedi Maizir Haryati, Tita Hasanah, Rizatul Hatinigsih, Nuligar Haya, Padia Hayatun Nufus Heni Rahmadani Heni Rahmadani Herlina, Yuli Hermawindiana, Atikah Hikmah, Ainul Ilyas, Emil Yasid Imani, Risti Atika Indah Dwi Permata Indah Pratiwi Fadmawarni Ipah, Adah Iskandar , Rhoma Iskandar, Rhoma J. Junaidi Jalinus Jalinus Jannatul Aulia Jefrizal Hasyim Juliana Purba Junaidi, J. Junitasari Junitasari KARTINI Kartini ' Kartini Kartini Kartini Kartini Kartini, Kartini Khainingsih, Fadilah Gustin Khairani, Elvia Komariah Komariah Latipa, Dwi Leliyana Nurqolbi lestari, winda Lica Perta Juliyas Muharni Lily Yuntina Linda Ardani Afriliziana Lusi Wira Aftriyati Lusi Wira Aftriyati Maimunah Maimunah , Maimunah Maimunah Maimunah Maimunah Maimunah Maimunah Maimunah Maimunah Maimunah Maimunah Maimunah Maimunah, M. Maimunah, Maimunah Malinda, Ari Mardiyanti, Tiska Mariana ' Marintan Butar-butar Marni Swasti Martha, Cut Wira Sukma Marwati, Yuli Masnia, Fakhriatul Maymunah, Siti Mazlan Mazlan Meldawati Meldawati Merry Merry Miar Tini Mira Sepriana Sepriana Mira Sepriana Septiana Mirna Ilza Mivtausaadah, Mivtausaadah Mukhlisatul Humaira Syaifar Muliyana, Dewi Musa Thahir Nadia Nadia Nahor Murani Hutapea Nanik Mulyani Nida Sri Rahmita Hasibuan Nina Yuminar Priyanti Ningsih, Fadriati Ningsih, Irma Fetria Nining Setiani Nisa Ul Amini Novika Sari Novriyeni, Fitri Nuligar Hatiningsih Nur Atika Nur Aziela Nur Fauziah Nur Fauziah Nur Ilhami Nur, Septia Nuraini Nadhifa Nuraini Nuraini Nuraini Nuraini Nurhamdiah Nurhamdiah Nurkiyah, Endong Nurlayli ' Nurlela Nurlela Nurqolbi, Leliyana Nurul Faizah NURUL FAIZAH Nurul Hidayati Nurul Izatul Azizah Oktayani Putri Putri Pertiwi, Wiyana Poppy Nurmayanti Prabowo, Restu Pratiwi, Aci Ayu Puspa Indriani Puspita, Sri Putri Ayu Lestari Putri Harianti Putri Yuanita Putri, Reska Dina Rahmadani, Heni Raihan Arditama Harnedi Randhi Saily Ratih Mauliandri Ratna Sari Dewi Ravina Faradilla Syahril Refli Annisa Reni Suryanita Reska Dina Putri Restu Ayu Gustianingum Rezkiatu Novia Alhikmah Ridha Chairunisa Ridhatul Husna Rika Aprilia Rini Dian Anggraini Rio Kurniawan Rischa Endriani Riza Derniati Rosa Murwindra, Rosa Rossa Linna Sablis Salam Salam Sakur, Sakur Santhy Wisuda Sidauruk Santi, Indira Saputra, Andespa Saputra, Andespa Saputri, Maya Saratul Ihsany Ihsany, Saratul Ihsany Sari, Nurfatma Sarifah Nur Siregar Sehatta Saragih Sehatta Saragih Sehatta Saragih Sehatta Seragih senita, arialis Septya Dwi Putri Dwi Putri Shabri, Rais Sharizan Sharizan Sherli Pitrah Dewi Simarmata, Evan Dari Kristianto Sindi Amelia Siti Juariah Siti Nurjanah Situmorang, Rudianto Sri Murniati Sri Murniati, Sri Suci Nitia Edwar Sugianto Sugianto Sugianto Sugianto Suhady, Wandy Suhardjo, Sudi Suhermi, Suhermi Sukendi Sukendi Supri Hartini Susda Heleni Susi Ermina Sipakkar, Susi Ermina Sutra Kasih Syahrul Amri Syahrul Syahrul Syaifar, Mukhlisatul Humaira Syarifah Nur Siregar Syaroh, Munas Syintia Dewi Ananta Shinta Dewi Syintia Dewi Ananta Shinta Dewi Syintia Dewi Ananta Shinta Dewi Tafari, Nadya Thahir, Musa Tiara Rubiandar Titi Solfitri Tomy Abdullah Tuti Alawiyah Tuti Alawiyah Urwatil Usqo Uswatun Hasanah Uswatun Hasanah Utari, Aulia Rahmi Vevi Anggia Vioshka, Yeyen Wahyuni, Zulfa Wandy Suhady Wati, Desi Kurnia Widya Shintya Dewi Winaldi Winaldi Witri Melfawani Wiwik Julia Wiwik Fitri Wiyana Pertiwi Yani, Casmi Fitri Yasvialan Arianta Yelpi, Rosita Yessi Olivia Yeyen, Vioskha Yogi Prayulia Trisandi Yoshe Larissa Ulfa Yoshe Larissa Ulfa Yudi Jepri Dianta Yudi Jepri Dianta Yufentya, W Eggy Yulia Purnama Sari Purnama Sari, Yulia Purnama Sari Purnama Zharifatul Aqilah Zuhri D ' Zuhri Daim Zuhri Daim Zulfa Wahyuni Zulkarnain ' Zulkarnain Zulkarnain Zulkarnain Zulkarnain

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