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Rizhal Hendi Ristanto

Universitas Negeri Jakarta

Author-ID : 2525566

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Transportation Other

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From a reader to a scientist: developing cirgi learning to empower scientific literacy and mastery of biology concept Rizhal Hendi Ristanto; Siti Zubaidah; Mohamad Amin; Fatchur Rohman
Biosfer: Jurnal Pendidikan Biologi Vol 11 No 2 (2018): Biosfer: Jurnal Pendidikan Biologi
Publisher : Universitas Negeri Jakarta

There are many studies on biology learning for primary school prospective teachers have been conducted in order to improve learning quality. This research aimed to produce a learning design in form of integrated instructional kit of CIRC and guided inquiry (CirGI). The research method used was research and development adapted from 4D development model of Thiagarajan consisted of define, design, develop, and disseminate stages. The research was limited up to the develop stage. The research result indicated that the product of CirGi instructional kit development in form of the syllabus, lesson plan, student worksheets, and evaluation instruments in form of scientific literacy and mastery of biology concept for primary school in Primary School Teacher Education in Pakuan University. The research result is expected to give a contribution to learning and to be further developed to achieve Biology learning objectives that could empower scientific literacy and the mastery of biology concept.

Exploring gender-based biological concepts: an analysis of bilingual secondary school students Endah Kristiani; Rizhal Hendi Ristanto; Elsa Lisanti
Biosfer: Jurnal Pendidikan Biologi Vol 13 No 1 (2020): Biosfer: Jurnal Pendidikan Biologi
Publisher : Universitas Negeri Jakarta

The purpose of this study was to analyze gender-based biological concepts understanding at secondary school students of bilingual programs. 6 (sixth) problems, according to Bloom's taxonomy categorization, were designed consisted of: understanding, applying, analyzing, evaluating, and creating. The topics included cell, classification of the organism, ecology, plant anatomy and physiology, and human anatomy and physiology. Samples were 47 students from grade nine (secondary school) from one of bilingual secondary schools in Jakarta, Indonesia. Data obtained were analyzed quantitatively and qualitatively. The analysis showed that the average value of the concept comprehension test was 55.07, which was below the Minimum Criteria of Completeness score of 73. The average value of male students was 57.29, and the average value of female students was 52.85. There was no significant difference between the learning outcomes of male and female students. Some male students have higher achievements because they have more engagement in science than others. Students' low ability to understand the biology concept makes them unable to perform their competency at the stages of applying, analyzing, evaluating, and creating. Overall, data showed that the average level of understanding of biological concepts for secondary school of bilingual programs still tends to be low and needs to be continuously improved in the learning process. Hopefully, further studies can be conducted to develop the most appropriate learning method to improve biological concepts.

Covid-19 literacy test: Developing of instruments and measuring for high school students Ilham Nurseha; Mieke Miarsyah; Rizhal Hendi Ristanto
Biosfer: Jurnal Pendidikan Biologi Vol 15 No 1 (2022): Biosfer: Jurnal Pendidikan Biologi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/biosferjpb.25377

COVID-19 literacy is very important in dealing with the current pandemic, especially for students who will or are carrying out offline learning. So, it is necessary to develop an instrument that can measure the literacy ability of COVID-19. This study aims to develop an instrument that can assess the COVID-19 literacy level of high school students. The research method used is research and development with Borg & Gall model, which consists of eight stages namely (1) research and initial information collection, (2) designing, (3) developing initial products, (4) expert validation, (5) initial product revision based on input from expert validators; (6) Field trials, (7) revision, (8) implementation and dissemination. The results of the development obtained 28 items consisting of eight questionnaires and 20 multiple choice questions. The questionnaire aims to obtain descriptive data about students' attitudes towards the COVID-19 pandemic, while multiple choice questions are used to measure students' knowledge. The expert test results obtained a score of 3.56 so that the COVID-19 literacy instrument developed was in the very feasible category. In the next stage, the validity of multiple-choice questions was tested and 15 questions were included in the valid category, then the 15 questions obtained were tested for reliability, based on the calculation of the calculated r value greater than r table so that the developed instrument was reliable and could be used in subsequent research.

The Development of creative thinking and problem-solving skill instrument of plant growth in high school Bernadetta Ersi Purwandari; S Supriyatin; Rizhal Hendi Ristanto
Biosfer: Jurnal Pendidikan Biologi Vol 15 No 2 (2022): Biosfer: Jurnal Pendidikan Biologi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/biosferjpb.26535

Creative thinking and problem-solving skills are needed to face the 21st century of 4.0 industrial revolution. Improving the quality of human resources to face the era of the industrial revolution 4.0 must be developed in education. Biology as one of the subjects in high school, especially in plant growth and development matters, allows to develop creative thinking and problem-solving skills because in it there is a student project on plant growth and development. It takes the right instrument to measure the achievement of creative thinking skills and problem solving skills in Biology learning, especially on the topic of plant growth and development. Two instrument questions have been developed, namely the instrument for creative thinking skills and problem solving skills. The development of this instrument was carried out through the stages of Research and Development Borg and Gall 1983. It produced 10 essay questions measuring creative thinking skills and 8 questions measuring problem solving skills. The question gets very decent expert validation criteria with a score of 91% - 97%. The results of the validation test based on the Pearson Product Moment formula show that the ten items of creative thinking skills are valid with a significance level of 0.05. The reliability test of the two instruments has a result of 0.82, above Cronbach's Alpha coefficient, which is reliable for creative thinking skills instruments. Meanwhile, the instrument of problem solving skills showed very reliable results with Cronbach's Alpha value of 0.95.

Assessment of biological literacy for high school students Anggi Putri Suhadi; Rizhal Hendi Ristanto; Diana Vivanti Sigit; S Supriyatin
Biosfer: Jurnal Pendidikan Biologi Vol 16 No 1 (2023): Biosfer: Jurnal Pendidikan Biologi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/biosferjpb.24765

Biological literacy is the individual's ability to determine the prior knowledge to understand the terms, concepts, procedural, benefits, and relationships of biological sciences in life. This study aims to measure students' biological literacy skills. This study approach was conducted descriptively, with grades, levels, and material indicators utilized to assess biological literacy skills. The population in this study was students from grade X Mathematics and Natural Sciences, Baitul Qurro Islamic Senior High School, with a sample size of 44 students drawn from the overall population. The instrument employed was a multiple-choice with up to 15 items about viruses related concepts. The data were analyzed descriptively. The results of this study revealed that 50% of students have low biology literacy skills. The highest percentage of students' biological literacy skills was found in indicator 4 (interpreting the role of viruses in life), 61%, while the lowest was in indicator 3 (analyzing virus replication), with 42%. The percentage of students' literacy skills in each level of biological literacy was highest at the structural level, with 58%, while the lowest was at the nominal level, with 44%. The low level of student biological literacy indicates that research is needed to find the right strategy to improve biological literacy skills in learning.

Getting critical thinking about ecosystem: How impact and responses of students about the CirGi learning model? Harahap, Lia Junita; Ristanto, Rizhal Hendi; Komala, Ratna
Biosfer: Jurnal Pendidikan Biologi Vol. 13 No. 1 (2020): Biosfer: Jurnal Pendidikan Biologi
Publisher : Universitas Negeri Jakarta

The broad scope of biology and the many sources of biology reading requires eleven grade students to think critically about sorting out information to develop and support students' critical thinking skills. CirGi is an integration of the cooperative integrated reading and composition (CIRC) learning model and guided inquiry (GI) that emphasizes reading and writing activities, accompanied by guidance from the teacher. This study aimed to analyze the influence of CirGi's learning model on students' critical thinking skills. This research uses a quasi-experiment method with pre-post control group design. The sampling technique used purposive sampling, namely 104 high school students. Data collection was carried out using instruments of critical thinking skills in the form of essays, questionnaire responses of students to learning, and observation sheets of syntax implementation. The data analysis technique used was one-way ANCOVA. After controlling for the pretest scores, the CirGi learning model's influence on students' critical thinking skills was influenced. This learning model was appropriate for learning biology, so it can regrow the activities of reading science books that impact students' critical thinking skills.

Integrated project-based e-learning with science, technology, engineering, arts, and mathematics (PjBeL-STEAM): its effect on science process skills Mufida, Siti Nur; Sigit, Diana Vivanti; Ristanto, Rizhal Hendi
Biosfer: Jurnal Pendidikan Biologi Vol. 13 No. 2 (2020): Biosfer: Jurnal Pendidikan Biologi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/biosferjpb.v13n2.183-200

This research aims to analyze the effect of the project-based e-learning with science, technology, engineering, arts, and mathematics (PjBeL-STEAM) learning model on students’ science process skills. The PjBeL-STEAM learning model emphasizes on project activities with interdisciplinary through online learning. The research employs a quasi-experimental method with a pretest-posttest control group design. The research population includes students of grade X in ecosystem learning at one of public senior high schools in Jakarta Timur, Indonesia. The research sample consists of 72 students taken using purposive sampling. The main projects in PjBeL-STEAM learning include creating an animation of biogeochemical cycles and independent experiments. The research data on science process skills are collected using pretest and posttest questions. Students’ response to learning uses Likert scale instruments. The data analysis technique employs an Independent sample t-test. The research results indicate that the PjBeL-STEAM learning model provides better effects on science process skills than in control class. It is necessary to implement the PjBeL-STEAM learning model in online Biology learning to improve science process skills in better ecosystem learning.

Guided discovery-blended learning (GDBL) for critical thinking skill empowerment: A learning strategy in human excretory system Suparini, S; Rusdi, R; Ristanto, Rizhal Hendi
Biosfer: Jurnal Pendidikan Biologi Vol. 13 No. 2 (2020): Biosfer: Jurnal Pendidikan Biologi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/biosferjpb.v13n2.266-279

The research purpose is to learn Guided Discovery-Blended Learning (GDBL) strategy on students’ critical thinking skills in the human excretory system. The research method is quasi-experiment with pretest-posttest experiment and control group design. The research population includes all Grade XI MIPA in a senior high school in East Jakarta, Indonesia, of 144 students. As regards the sample, 71 students are selected that are divided into two classes, namely: XI MIPA-2 as a control class and XI MIPA-4 as an experimental class with GDBL. Data collection uses an integration test in an essay, student response to learning strategy and observation sheet of syntax implementation—the data analysis result using ANCOVA test proofs that the GDBL affects students’ critical thinking skill. The GDBL could foster thinking habits through independent rearrangement of a concept with guidance from the teacher using sourcebooks and online media. It is necessary to prepare biology teacher creativity to improve student’s critical thinking skills and to modify the GDBL so as it brings a better effect.

Unification of PBL with RMS: Its influence on critical and creative thinking skills in human respiratory Karomah, Ana; Ristanto, Rizhal Hendi; Rusdi
Biosfer: Jurnal Pendidikan Biologi Vol. 18 No. 2 (2025): Biosfer: Jurnal Pendidikan Biologi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/biosferjpb.58761

Critical and creative thinking skills are two essential aspects in 21st century learning. A simultaneous development of both skills can encourage students to find a correct, varied, and adaptive solution to a problem. This study identifies the influence of the unification of the Problem Based Learning (PBL) with the Reading, Mind mapping, and Sharing (RMS) on students' critical and creative thinking. The PBL and RMS are learning models that have complementary characteristics; therefore, they can be combined in a more effective learning strategy. The research method employs quasi-experimental research with non-equivalent pretest-post-test control groups design. The research population includes students in Class XI MIPA in 2024/2025 academic year. The sampling uses a simple random sampling technique of 62 students. The research instruments consist of test and non-test instruments comprising 11 and 7 items of essay questions to measure critical thinking skills and creative thinking skills, respectively. The non-test instruments include a Student Worksheet and an observation sheet as secondary data. The pre-requisite test results in normally distributed and homogeneous data. The results of hypothesis test, MANOVA (p<0,05), indicate that the treatment of the unification of PBL with RMS influences student critical and creative thinking skills with a significance value of 0,001 and 0,002, respectively. The implementation of the unification of the PBL with RMS is proven to have a significant influence on student critical and creative thinking skills.

Improving student’s biological literacy skills using ARVi learning media Indriani, Risda Putri; Kurniati, Tri Handayani; Ristanto, Rizhal Hendi
Biosfer: Jurnal Pendidikan Biologi Vol. 17 No. 1 (2024): Biosfer: Jurnal Pendidikan Biologi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/biosferjpb.43976

Biological literacy is crucial for students to consider solutions to problems after analyzing them from various perspectives. The purpose of this research is to enhance biological literacy by using ARVi (Augmented Reality Virus) learning media. The research type is a quasi-experiment using a control group pretest-posttest design. The research instrument is a multiple-choice test validated by experts and empirical validation. The expert validation result shows an average score of 3.8, which can be interpreted as the test instrument being valid and suitable for use as a biological literacy measurement tool. The empirical validation result indicates that 3 questions are invalid, while 17 questions are valid as a biological literacy measurement tool. The reliability test result shows that the biological literacy test instrument has a reliability coefficient of 0.835, which can be interpreted as 70% confidence that the instrument can be trusted. The data analysis result shows that the data is normally distributed and not homogeneous. The independent t-test result is a t-statistic of 3.16 with a t-table of 1.98 at an α=0.05. This indicates that there is an increase in results between the control group to experimental group. The paired t-test result is a t-statistic of 15.7 with a t-table of 0.68 at an α=0.05. This indicates that there is an increase in posttest results compared to pretest results. This indicates that the ARVi media can enhance all aspects of biological literacy. The highest increase in biological literacy occurs in the nominal (82%), multidimensional (64%), structural (52%), and functional (32%).

Co-Authors Aan Nurfahrudianto Abubakar Sidik Katili Ade Imas Rismayati Ade Suryanda ADELIA, PUTRI Adityaningsih, Shafira Ramadhanty Afandi, Zainal Agung Sedayu Agung Sedayu Agus Muji Santoso Aisha Amalia Akmala, Muthia Alma Tasya Yuanisa Amaliya Fajri Amelia Lestari Amellia Harnum, Inggit Ammar Zain Ana Syafrotul Karomah Andriyani, Fitri Anggi Putri Suhadi Anggi Putri Suhadi Anisa Fitria Anisa Nurrismawati Apriliya, Lili Ardina Dwi Yani Inayah Ari Septiyaningsih Ariella Azzahra Arif Hadi Broto Arum, Dewi Sekar Arwin Ary Indaryanti Prihatin Aryanto, Glorio Brian Astri Rino Oktivasari Aty Rimadana Aulia Putri Aulya, Nailul Rahmi Avarha Mahaputri Jasmine Novarman Awaludin, Jundi Ayu Asri Martinah Az-Zahra , Rania Azrai, Eka Putri Bagus Tito Wibisono Bea Hana Siswati Bernadetta Ersi Purwandari Berti Priska Gea Birran, Regan A.K.P.Y Broto, Arif Hadi Budhi Utami Cahapay, Michael Bobias Daniar Setyo Rini Dewi Shinta Diana Vivanti Sigit Diana Vivanti Sigit Dicky Halin Wijana Ashidiq Dila Elpin Setiani Dini Safitri Dwi Angelita Edi Sarwono Eka Putri Azrai Elis Irmayanti Elsa Lisanti Elsa Lisanti Endah Kristiani Endang Sri Mujiwati Ericka Darmawan Erna Heryanti Euis Noviyanti Evita Nury Hariyanti Evita Nury Hariyanti Fairuz Khairunnisa Faris, Sabrina Faros, Arrum Ardila Fatchur Rohman Fauziyah, Fina Fawwaz, Hana Fatiya Febryaningrum, Sukma Feni Oetari Fitri Rizkiyah Fitri Rizkiyah Fitria, Rizky Nur Fitriasih, Fajarani Gabriellia Oktaviani Prabowo Gayatri, Dyah Ayu Gempa Fi Syahrurromadhan Giry Marhento Gunarsih, Dwi Guruh Sukma Hanggara Haifa Murisa Hakim, Lukman El Hanifah Khairunnisa Hanum Isfaeni Hany Qisthina Syhira Harahap, Lia Junita Hasanah, Risky Helda Dumayanti Herawati, Elysabet Heru Budiono Heryanti, Erna Hilaliah, Nurlaelatul Hilda Shavina Ian Fadilah Ibrahim Fatahillah Ida Rahmawati Ilena Amalia Luthfi Ilena Amalia Luthfi Ilena Amalia Luthfi Ilham - Nurseha Ilham Nurseha Ilman, Eprian Nur Ilmi Zajuli Ichsan Indah Pratiwi Indri Fajar Lestari Indriani, Risda Putri Julita, Niki Harfa Jundi Awaludin Karomah, Ana karomah, Ana Syafrotul Khairotun Nihlah Khairotun Nihlah Khairotun Nihlah Khairunnisa Salsabila Khansa Shafa Kamila Khoiriyah Lailah fauziah Lenny Prastiwi Lestari, Amelia Lidya Juliven Sianturi Lintang Anindhitya Indraswari Lukman El Hakim Lukman El Hakim Luthfi, Ilena Amalia M. Rizal Madaniyyah, Salma Maghfirah Idzati Aulia Maria Magdalena Melina Martasari, Fransisca Wiwik Marthasari, Angela Diana Miarsyah , Mieke Mieke Miarsyah Mieke Miarsyah Mieke Miarsyah Mieke Miarsyah Mieke Miarsyah Mieke Miarsyah Mieke Miarsyah Mieke Miarsyah Mieke Miarsyah Mohamad Amin Mohamad Amin Mohamad Isnin Noer Much. Fuad Saifuddin Mufida, Siti Nur Muhammad Efendi Muhammad Efendi Muhammad Efendi Muhammad Efendi, Muhammad Muhammad Fadhil Haritsah Muharomah, Dewi Robiatun Muthiah, Anis N. Najmah Nababan, tiurma Nadia ‘Aafiyah Wahyuasih Nia Nurdiani Nur Alfi Ramadhanty Nur Fadhilla, Devi Nurazizah, Meiza Nurhalimah Nurhalimah NURHAYATI NURHAYATI Nurhayati Nurhayati Nurlaelatul Hilaliah Nurmasari Sartono Pasaribu, Clavinzky Anggita Poppy Rahmatika Primandiri Prastiwi, Lenny Pratama, Sisi Hernanda Pretty Nurwhite Tika Puji Lestari Puji Prastowo Pusparini, Fitria Putri, Arlina Cahaya Putri, Nabilah Mustika Putri, Ririn Anindiana Putri, Woro Tien Asrini R. Rusdi Rahman, Md. Mehadi Rahmirini Datau Rania Az-Zahra Ratna Dewi Wulaningsih Ratna Komala Ratna Komala Ratna Komala, Ratna Ratna Pratiwi Refirman Djamahar Riezka Lianita Risa Aulia Mahaqi Risda Putri Indriani Risda Putri Indriani Risda Putri Indriani Risda Putri Indriani Risky Hasanah Rizki Awalia Rizkiyah, Fitri Rohayati Rohayati rohayati rohayati Rosa Maulivia Rosamsi, Saiman Rosamsi, Saiman Ruqiah Ganda Putri Panjaitan Rusdi Rusdi Rusdi Rusdi Rusdi Rusdi Rusdi Rusdi Rusdi Rusdi Rusdi Rusdi Rusdi Rusdi, R Rusdi, Rusdi Rusdi, Rusdi Rusdi S Supriyatin Safitri, Firdias Astia Saiman Rosamsi Sarah Savira Sartono, Nurmasari Satri Dwi Kurnia Setyasih, Bina Rahayu Setyowidodo, Irwan Shinta Alief Fitrianingtyas Sianturi, Lidya Juliven Sihab, Mutia Ayaar Silvani Mursida Damanik Siti Aizah Siti Zubaidah Slamet Hariyadi Suci Kusuma Wardini Sujarwoko Sujarwoko Sulistiono Sulistiyanto, Tabitha Qotrunnada Suparini Suparini Suparini, S Suparini, Suparini Suryani, Santi Susilo Susilo Susilo Syafiq Alan Setyawan Syahrurromadhan, Gempa Fi Syarifah Aini Syifa Rahmani, Syifa Tasya Amalia tiurma Nababan Tosca Inas Sabrina TRI AYU ASTUTI Tri Ayu Astuti Tri Handayani Tri Handayani Kurniati Tri Handayani Kurniati Tri Handayani Kurniati Tri Handayani Kurniati Tri Julianto Tri Wahyuni Tsania Arrumaisha TUTUT INDAH SULISTIYOWATI Umi Kulsum Velly Mubarok Vidiastuti, Yunilla Virginia, Zana Vonny - Vonny Wahid Ibnu Zaman Wardini, Suci Kusuma Weliyanti, Amanda Wicaksono, Nur Muhammad Widianingsih, Mia Wiji Arianti Windrawan, I Gede Woro Tien Asrini Putri Yeni Widiyawati Yeni Widiyawati Yulianna Puspitasari Yunita Ainun Jariah Zahira, Safina

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Journal : Biosfer: Jurnal Pendidikan Biologi