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Journal : Emerging Science Journal

Investigating High School Student Misconceptions: A Rasch-Based Three-Level Diagnostic Evaluation of Osmoregulation and Excretion Systems Ridwan; Sura, Sunarto A.; Koerniadi, Diki; Zaradiva, Lia; Soeharto, Soeharto; Najira; Bariroh, Ghurrotul; Muhammad, Fadil
Emerging Science Journal Vol. 9 (2025): Special Issue "Emerging Trends, Challenges, and Innovative Practices in Education"
Publisher : Ital Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/ESJ-2025-SIED1-05

Abstract

This study aimed to develop and validate a three-tier multiple-choice diagnostic assessment instrument to identify misconceptions related to osmoregulation and the excretion system among Indonesian high school students. A total of 281 students from West Sumatra and Jambi Province participated in the research. Employing a quantitative approach, the psychometric properties of a 20-item test were analyzed using Rasch modeling. The analysis revealed that the instrument had strong item reliability (0.84), though person reliability was relatively low (0.55), indicating variability in students’ response consistency. Despite this, the test demonstrated high internal consistency, as shown by a Cronbach's Alpha of 0.90. The mean student ability level (-2.37) was significantly lower than the item difficulty level (0.00), suggesting widespread conceptual gaps among participants. All items met the model’s expectations, with average Outfit Mean Square (MNSQ) at 1.02 and Z-Standard at 0.1. The findings highlight the diagnostic tool’s effectiveness in detecting prevalent misconceptions in biology education. This study contributes to the field by offering a structured and psychometrically sound instrument, supporting more targeted instructional strategies to enhance conceptual understanding in science education.
Co-Authors Absori Absori Adi Santoso Adnan Adnan Ahendyarti, Ceri Aidul Fitriciada Azhari Alhakim, Muhammad Farhan Alshazil, Renata Seikh Amal Arfan, Amal Amalia, Maulidia Khairada Anang Setiawan Andriansyah, Faisal Anward, Aliy Arivin Aprilianti, Dwi Aris Munandar Asdar Ashabul Kahfi, Ashabul Ashdaq, Muhammad Asmirani, Sri Asriha Kurnia Utami Astuti, Nanda Widia Aulia, Wulan Bambang Tjatur Iswanto, Bambang Tjatur Bariroh, Ghurrotul Basri Basri Burhamzah, Rahmat Chrisna Bagus Edhita Praja Chyntia Devi, Made Putri Dakum, Dakum Devin, Firdi Dharma Panji Pratama, Yulio Dwihantoro, Prihatin Dyah Adriantini Sintha Dewi Eriyani, Reni Nur Erwatul Fajar, Andi Faiha Alya Febriyanti, Feby Fitria Hidayati, Fitria Habib Muhsin Syafingi Hamzah, Muh. Qardawi Hapiz, Mutiara Haq, Aqamal Hasriadi Heniyatun Herdiana, Dian Hermanto, Andi Hidayat, Rara Saphira Husni Mubarak Husni Mubarak Husni, Tiara Chintya Imamul Muttakin Irwansyah Sukri Islamiah, Farida Isnaini, Arfian Zhulfia Jaudah, Tsuroyyaa Maitsaa’ Josafat Gracia Ginting Khafi, Syasabila Koerniadi, Diki Lia Yulia Budiarti Lovely Lady Maitsaa’ Jaudah, Tsuroyyaa Majiding, Nurul Chalisa Masjudin Maulana, Muhammad Hilman Maulida, Isda Mochammad Imron Awalludin Muharni, Yusraini Muhiddin Palennari Mutmainah, Mutmainah Muztahidul, Islam Md Nafilah, Nada Najira Ningsih, Selly Kudrati Noviasari, Dilli Trisna Nur Isra' Ahmad Nuraini, Fadhilla Nurhayani, Ulfa Nurwendari, Weny Pamungkas, Seno Aji Pane , Miftah Kharidah Patima, Khusnul Praja, Chrina Bagus Editha Prastyo, Prihartanto Krisna Dwi Pratama, Novan Wisnu Puji Sulistyaningsih Purba, Erny Luxy Qotrunnada, Tiara Rais, Ahmad Ramadania, Redinta Rangkuti, Muhammad Yunus Rian Fahrizal Ridwan Rini Herliani Rocky Alfanz, Rocky Rusmawati, Angger Safaana, Aurora Saputra, M.Khalid Fredy Savitri, Ratih Selly Kudrati Ningsih Septia, Livia Pijar Setyaningrum, Elsa Dwi Shaafia, Amanda Sibarani, Choms Gary Ganda Tua Siti Aliyah Siti Khodijah Sitompul, Andreas Jones R Soeharto Soeharto Sofian, Muhamad Suciana, Annisa Suharso Suharso Supriadi Sura, Sunarto A. Syahrif, Airul Syahril Syahril Teguh Firmansyah Tenri Sayu Puspitaningsih Dipoatmodjo Tsabita, Azza Salma Utami, Sintowati Rini Utomo, Tegar Priyo Uzrah, Jaiysul Valentino Aris Wibowo, Risky Ari wulan, Sarinah sri Yulia Kurniaty Zaradiva, Lia