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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 - Sukir Abdul Haris Odja Abdul Wahid Adi Suhendra, Adi Adiba, Fhatiah Afandi Afandi Afrizan, Afrizan Agusnaya, Nurrahmah Akbar, Muh. Amukune, Stephen Andari, Tania Andi Baso Kaswar Andi Baso Kaswar Angraini, Mila Rosa Anton Nasrullah, Anton Ariati Dina Puspitasari, Ariati Dina Arifiyanti, Fitria Asri Arbie Astriani, Devi Awalia, Andi Dio Nurul Baehaqi Bariroh, Ghurrotul Budi Utomo Buhungo, Trisnawaty Junus Chairatul Umamah Chatarina Umbul Wahyuni Dadan Rosana Daryono, Rihab Wit Della Fadhilatunisa Dewantara, Jagad Aditya Dewi Fatmarani Surianto Didi Sundiman Edi Istiyono Efriani Efriani Eka Murdani, Eka el indahnia kamariyah, el indahnia Eri Sarimanah FARADILLA, FARADILLA Fardan, Muhammad Farida Anastika Fathahillah Fathahillah Figiati Indra Dewi HANDITYA, BINOV Hidayat, Sri Wiyanti I Made Supatra Indah Puspita Sari, Indah Puspita Indah Widowati Irwandani Irwandani Iwan Suhardi Jahja, Mohamad Jannah, Devi Miftahul Jumadi Jumadi Kadarisma, Gida Koerniadi, Diki Kurniasti, Rosi Arde Kurniawan, Muhammad Hafiz Lavicza, Zsolt M. Miftach Fakhri Maemunah Maemunah Maftukhin Maimon Sumo Moh. Irma Sukarelawan Muhammad Aridan Muhammad Fajar B Muhammad Ibrahim Muhammad Nurtanto Muhammad, Fadil Mursidi, Andi Najira Nanda Khoirunisa Narwoto Narwoto NIRMALA, PUTRI Nirmalasari, Aprilianti Novitasari, Dyah Ayu Nugraheni, Tyas Ayu Nur Endah Susilowati Nurhidayah, Rizka Nurul, Muhamad Purwoko, Agus Putu Sudira Ramadhanti, Anissa Ridwan Riki Perdana Rini Setyowati, Rini Riwayani, Riwayani Robby, Uchaimid Biridlo'i Roni Suhartono Rosidah Rosidah Roy Efendi, Roy Ruhban Masykur Sanatang Saputri, Niken Dwi Sihaloho, Nahot Tua Parlindungan Sitti Radhiah Soenarto Soenarto Somae, Erik Tauvani Suhendra Suhendra Sulistiyawati, Tri Sulistyarini, Sulistyarini Sumarwoto, S.H.I., M.H. Sumarwoto, S.H.I., M.H. Supahar, Supahar Sura, Sunarto A. Syafutri, Ridha Syamsul Huda Tahmid Sabri ting, i-hsien Toni Kus Indratno Ulaya Ahdiani Vidiyanto, Vidiyanto Wahid, Syahid Nur Wahyu Hidayat M Wardatul Djannah Widayanto, Luthfi Dhimas Wiwiek Afifah Wulandari, Fajar Yasin, Muhamad Zaradiva, Lia