Development of "DELBARA" Teaching Materials to Improve Students' Critical Thinking Skills in Elementary Schools

Satrio Mustiko Wijayanto; Yuni Ratnasari; Khamdun Khamdun

doi:10.35878/guru.v6i2.2371

Satrio Mustiko Wijayanto Magister Pendidikan Dasar UMK
Yuni Ratnasari Universitas Muria Kudus
Khamdun Khamdun Universitas Muria Kudus

DOI: https://doi.org/10.35878/guru.v6i2.2371

Keywords: DELBARA teaching materials, critical thinking, elementary schools

Abstract

The low critical-thinking ability of elementary school students and the limitations of teaching materials in visualizing the concept of photosynthesis pose challenges to learning science. This study aims to analyze the development needs, determine the feasibility, and test the effectiveness of DELBARA (Deep Learning Based on Augmented Reality) teaching materials on photosynthetic materials to improve the critical thinking skills of Grade IV elementary school students in Jepara Regency. The research uses the Research and Development (R&D) method with the ADDIE model, which includes the Analysis, Design, Development, Implementation, and Evaluation stages. Data were collected through observation, interviews, questionnaires, tests, and documentation, then analyzed descriptively and using the Normalized Gain (N-Gain) test. The results of the study show that teachers need interactive, innovative teaching materials that can visualize abstract concepts. DELBARA's teaching materials are deemed feasible following validation by material and media experts, who assessed the content, presentation, language, graphics, and Augmented Reality integration. The product implementation showed an increase in critical thinking skills, with a pretest average of 71.22 rising to 86.00 on the posttest and an N-Gain of 0.513, placing it in the medium category.

References

Arzeman, A., Haines, J., Pritchard, C., Rutherford, S., & Francis, N. (2026). Navigating new norms: a systematic review of factors for the development of effective digital tools in higher education. FEBS Open Bio, 16(3). https://doi.org/10.1002/2211-5463.70151
Ayustyaningtias, R., Alinurdin, E., & Wahyudin, A. (2025). Improving Students’ Critical Thinking Through Blended Learning Media Learning Game Word Wall. ASEAN Journal of Educational Research and Technology.
Baihaqi, M. I., Martanti, F., & Farda, U. J. (2025). The Effectiveness of the Use of Three-Dimensional Media in IPAS on Student Learning Outcomes at Madrasah Ibtidaiyah. 4(2), 209–218.
Cabrera-Solano, P., Ochoa-Cueva, C., & Castillo-Cuesta, L. (2023). Implementing the Engage, Study, Activate Approach Using Technological Tools in Higher Education. International Journal of Learning, Teaching and Educational Research, 22(1), 268–282. https://doi.org/10.26803/ijlter.22.1.15
Daniel, L., Doyle, T., & Kaesehagen, C. (2021). Supporting parents to co-produce differentiated learning opportunities in mathematics. Education 3-13, 0(0), 1–15. https://doi.org/10.1080/03004279.2021.1878253
Ho, Y. R., Chen, B. Y., & Li, C. M. (2023). Thinking more wisely: using the Socratic method to develop critical thinking skills amongst healthcare students. BMC Medical Education, 23(1), 1–16. https://doi.org/10.1186/s12909-023-04134-2
Ishartono, N., Halili, S. H., & Razak, R. A. (2023). A review of flipped learning in innovative math education. International Journal of Evaluation and Research in Education, 12(4), 2194–2206. https://doi.org/10.11591/ijere.v12i4.25842
Johari, S. (2018). Teori Pembelajaran. In Psikologi Pendidikan (Vol. 1).
Mahfudz, M., & Sukarno, S. (2023). The effect of ex-add learning techniques on critical thinking skills and pedagogic competence of Islamic education students. Journal of Education and Learning, 17(2), 221–228. https://doi.org/10.11591/edulearn.v17i2.20782
Manasikana, A., Rahayu, E., & Hidayati, L. (2025). Pengaruh Penerapan Project-Based Learning (PjBL) terhadap Kreativitas Peserta Didik pada Mata Pelajaran Projek Ipas. Jshp, 9(1), 2580–5398.
Mursid, R., Muslim, & Farihah. (2023). Collaboration-Based Development Model E-Learning on Course Learning Achievements Working Skills. International Journal of Instruction, 16(2), 307–318. https://doi.org/10.29333/iji.2023.16218a
Organ, J., O’Neill, S., & Shanahan, B. W. (2022). Development of Social Technology Entrepreneurial Ventures: A challenge project-based learning approach. IFAC-PapersOnLine, 55(39), 181–186. https://doi.org/10.1016/j.ifacol.2022.12.050
Pujianti, P., Kardoyo, K., & Utanto, Y. (2021). Biology Learning Management Contain Using Character Education With T-PACK Through Project Based Learning ( PBL ) Model. 10(2), 289–298.
Rahayu, D. (2025). Jurnal Pendidikan Matematika. 13(1), 9–25.
Song, X., Yang, X., Wang, Q., Su, Y., & Hong, J. (2022). The relationship between teacher’s gender and deep learning strategy: The mediating role of deep learning motivation. Psychology in the Schools, 59(11), 2251–2266. https://doi.org/10.1002/pits.22694
Suradika, A., Dewi, H. I., & Nasution, M. I. (2023). Project-Based Learning and Problem-Based Learning Models in Critical and Creative Students. Jurnal Pendidikan IPA Indonesia, 12(1), 153–167. https://doi.org/10.15294/jpii.v12i1.39713
Suyantiningsih, Badawi, Sumarno, Prihatmojo, A., Suprapto, I., & Munisah, E. (2023). Blended Project-Based Learning (BPjBL) on Students’ Achievement: A Meta-Analysis Study. International Journal of Instruction, 16(3), 1113–1126. https://doi.org/10.29333/iji.2023.16359a
Uden, L., Sulaiman, F., Ching, G. S., & Rosales, J. J. (2023). Integrated science, technology, engineering, and mathematics project-based learning for physics learning from neuroscience perspectives. Frontiers in Psychology, 14. https://doi.org/10.3389/fpsyg.2023.1136246
Wahyudiati, D. (2023). Enhancing Students’ Communication and STEM Reasoning Abilities Based on Gender Through Application of IT-based Chemistry Teaching Materials. International Journal of Learning, Teaching and Educational Research, 22(5), 160–179. https://doi.org/10.26803/ijlter.22.5.8
Wawan, W., Retnawati, H., & Setyaningrum, W. (2023). An Integrative Learning Model to Improve Problem-Solving and Creative Thinking Abilities, Collaboration, and Motivation. Islamic Guidance and Counseling Journal, 6(2). https://doi.org/10.25217/0020236402400
Wei, L. (2023). Deep Learning in the Context of Big Data: The Theoretical Basis of Undergraduate Education Reform (pp. 376–384). https://doi.org/10.1007/978-3-031-23950-2_40
Widana, I. W., Sumandya, I. W., & Citrawan, I. W. (2023). The special education teachers ’ ability to develop an integrated learning evaluation of Pancasila student profiles based on local wisdom for special needs students in Indonesia. Kasetsart Journal of Social Sciences, 44(2), 527–536.