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Psychometric Validation of A Research Skills Assessment For Pre-Service Science Teachers Using The Rasch Model Aldeva Ilhami; Topik Hidayat; Riandi riandi; siti sriyati
THABIEA : JOURNAL OF NATURAL SCIENCE TEACHING Vol 8, No 2 (2025): THABIEA : JOURNAL OF NATURAL SCIENCE TEACHING
Publisher : Institut Agama Islam Negeri Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21043/thabiea.v8i2.34359

Abstract

This study aims to validate a research‐skills assessment instrument for pre-service science teachers using Rasch modeling to evaluate reliability, item fit, and unidimensionality. The instrument was designed to measure the extent of research skills among undergraduate students in science education programs. A cross-sectional survey was conducted with 114 participants recruited through quota sampling from several universities in Riau, Indonesia. Respondents completed a 40-item research-skills instrument. Data were analyzed with the Rasch model using Winsteps version 3.73. The results indicate satisfactory internal consistency (Cronbach’s alpha = 0.75), excellent item reliability (0.97), and acceptable person reliability (0.75). Rasch diagnostics further support the unidimensionality of the instrument, indicating that the items predominantly measure a single latent construct of research skills. These findings provide evidence for both the reliability and construct validity of the instrument within this population. Practically, the validated instrument can be used by higher education institutions to diagnose and monitor the research competencies of pre-service science teachers and to evaluate the effectiveness of research-oriented instructional interventions. By employing Rasch analysis, this study enhances the precision and defensibility of measurement in the context of research-skills assessment in Indonesia, offering a foundation for ongoing refinement and wider application in similar educational settings
Co-Authors A Widodo A. Suhandi Achmad Samsudin Ade Yulianto Adhara Jasid Adnan Muchsin Afridha Laily Alindra agustina, tri wahyu Aisyah Zumira Aji Solehudin Aldeva Ilhami Andhika Baruri Anisa Anisa Anna Argiyanti Anna Permanasari Annisa Latifah Nur'aeni Annisa Nurramadhani Annisa Rahmawati Any Fitriani Arfiyana Destaria Tarmizi Ari Syahidul Shidiq Ari Widodo Ari Widodo Ari Widodo Arif Hidayat Arrifa, Filza Huaina Asep Kadarohman Asep Supriatna Aulia Afza Azura Salsabila B Supriatno Bambang Ekanara Bambang Suprianto Bambang Supriatno Budi Manfaat Budi Manfaat Chika Raritzah Putri Cut Intan Evtia Nurina Cut Intan Evtia Nurina Cut Intan Evtia Nurina Cut Intan Evtia Nurina D N Juita Dadang Sudirno Dandan Luhur Saraswati Dede Salim Nahdi Defrizal Hamka Diah Wahyuni Diana Ayu Rostikawati Diana Rochintaniawati Diana Susanti Dida Firgiawan Dieni Asma Mardiyah Dindin Nasrudin Donna Karolina Br Surbakti Dwie Saptarani E Ervina E. C. Prima Eka Cahya Prima Eliyawati Eliyawati Enok Maryani Evi Roviati Evi Suryanti Febrian Virijai Firman, Harry Fitriani Nurzeha Fransisca Sudargo Ghina Rohmatulloh Ghullam Hamdu Handi Suganda Harry Firman Hazrati Ashel Heli Siti Halimatul Hendra Yulisman I Y N Hizqiyah Ida Kaniawati Ilhami, Aldeva Indri Andriyatno Indrie Prihastuti Indriyani Amalia Intan Khairani Intania Zainul Nurul Huda Ipin Aripin Ipin Aripin Ipin Aripin Ivo Novidsa Kestianty, J. Kindy, N. Lidya Betty Setiyaningsih Liliasari . Lilit Rusyati Lince Meriko Mardiyah Mardiyah Marfuatun . Meili Yanti Mellyzar, Mellyzar Mestika Sekawinahyu Minnathul Khasanah Mivtha Citraningrum Mourend Devegi Mr Sjaeful Anwar Mr Sumar Hendayana Mrs Sariwulan Diana Mrs Siti Sriyati Muhyiatul Fadilah Muslim Muslim Mustafa Çakir N. Novia, N. Nahadi Najihah Fakhirah Siregar Nastitisari Dewi Nastitisari Dewi Nisa Ayunda Rahmi Mutia Nisrina Nur Rahmi Nor Hidayati Nova Vivi Clara Saputri Novia Novia Novia Novia Novianawati, Noor Novidsa, I. Nugroho, Oktian Fajar Nurhasanah, Zakia Nursyahra Nursyahra Nuryani Rustaman Nuryani Rustaman Nuryani Rustaman Nuryani Rustaman Nuryani Rustaman Nuryani Y Rustaman Nuryani Y. Rustaman Nuryani Y. Rustaman Nuryani Y. Rustaman Nuwangi, Pohaci Puspa oktariani P. Sinaga Pohaci Puspa Nuwangi Purwaningsih, Widi Purwianingsih, W. Putri Amelia Solihah Putri Angjelina Rahayu, Yuyu Rahmi Zulva Ratih Mar'atus Sholihah Resmi Ningrum Rhodentia Sri Hastuti Tamba Ridho Ilafi Sukma Ridwan Ridwan Rifda Tanfiziyah Rini Solihat Rizki Maulana Ashidiq Rohwan Maulana Luthfi Rukayadi, Y. S Hendayana S Sriyati S Syamsu Santi Setiani Hasanah* Siswahyudianto Siti Sriyati Siti Tahany Rifa Faidah Sjaeful Anwar Sri Angraeni Sri Maryanti Sri Redjeki Surtikanti Hertien Koosbandiah, Surtikanti T. Liana Taj Rosyidah Taufik Rahman Taufik Rahman Rahman Tengku Idris Tina Rizqiyati Rohimah Topik Hidayat Vitta Yaumul Hikmawati Wahyu Sopandi Wahyu Surakusumah Warliani, Resti Widi Purwianingsih Widya Cristanti Wiwit Yuli Lestari YAYAN SANJAYA Yena Harmelayati Yohanes Freadyanus Kasi Yohanes Freadyanus Kasi Yuyun Maryuningsih Zakia Nurfadilah Zakia Nurhasanah Zevira Fransisca Aurora Zulkarnaen Zulkarnaen