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Baharullah
Universitas Muhammadiyah Makassar
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Journal : JMPM: Jurnal Matematika dan Pendidikan Matematika

 1 
Contextual Teaching and Learning with Instructional Video Support: Its Impact on Mathematics Achievement across Levels of Prior Knowledge Nuraeni, Nuraeni; Baharullah, Baharullah; Saleh, Sitti Fitriani; Moguel, Landy Sosa
JMPM: Jurnal Matematika dan Pendidikan Matematika Vol 10 No 2 (2025): September 2025 - February 2026
Publisher : Prodi Pendidikan Matematika Universitas Pesantren Tinggi Darul Ulum Jombang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26594/jmpm.v10i2.5962

Abstract

Mathematics learning in secondary schools often encounters obstacles due to the abstract nature of the subject matter and students’ negative perceptions of mathematics as a difficult discipline. This condition demands instructional innovations that not only link concepts to real-life contexts but also employ digital media to strengthen understanding. This study aimed to analyze the effect of Contextual Teaching and Learning (CTL) assisted by video on junior high school students’ mathematics achievement, with prior ability considered as a moderating variable. A quasi-experimental method with a 2×2 factorial design was employed. The research population comprised all Grade VII students of SMP Semen Tonasa (N = 179), with two classes selected through cluster random sampling. The instruments included a prior ability test, a multiple-choice mathematics achievement test, and an observation sheet of instructional implementation. All instruments were validated through expert judgment and empirical testing, yielding a reliability coefficient of 0.87, item difficulty indices in the moderate range (0.31–0.70), and most discrimination indices in the good category. The research procedure consisted of preparation (module development, instrument validation, and class assignment), implementation (pretest, CTL with/without video, posttest), and reporting. Data were analyzed using Two-Way ANOVA after meeting the assumptions of normality (Kolmogorov–Smirnov, p > 0.05) and homogeneity (Levene’s Test, p > 0.05).
Co-Authors Abd. Rajab Agustan S AMINAH Andi Ardillah Wahyudi Andi Fitriani Andi Hasriyani Andi Husniati Anisa Anisa Anisa Anugrah, Wenda Rezki Ardi Ardillah Wahyu Ashar Hidayah Bahrum Binti Bahri, Nur Afni Dahriana, Dahriana Daniel Happy Putra Dina Amalia Dina dina, Dina Amalia Dwi Anriyani Dyandra Pramudita Ernawati Ernawati Ernawati Ernawati Fathrul Arriah Fitriani Fitriani Fitriani Hasim Hadaming, Hamdana Hamdana Hadaming Hamdana Hadaming Hasnawati Hasnawati Hidayah Quraisy Husniati Husniati Husniati Husniati, Andi Iga Ayu Mawarni, Iga Ayu Mawarni Ilham S, Muhammad Iqra, Muhammad Irmawati M Irwan Akib Jaelani, Abd Kadir Juhaeda Kasman Kasman Khaerul Syam Khairunnisa Abdullah Kristiawati Kristiawati Kristiawati Kristiawati Kristiawati Kristiawati La Ode Supriono Laelasari Laelasari, Laelasari Ma'rup Ma'rup Magfirah, Nurul Ma’rup Mentari Aulia Sari Moguel, Landy Sosa Muawwidzati, Firqah MUHAMMAD HASBI Muhammad Rizal Usman Mukhlis Mukhlis Munawwarah Munawwarah, Munawwarah Mutmainnah Mutmainnah Mutmainnah Nada Awalyah Ahmad Nada Awalyah Ahmad Nasrul, Muh Iqbal Nasrun Nasrun Nila Arnawati Nisa Muslimah Nur Fadillah, Nur Nur Rahma Rahma Nuraeni Nuraeni Nurawaliah, Asthi Nurhikma Nurhikma Nurmi Hasrawati Nurmia Syam Nurul Magfirah Nurul Wulan Nurul, Nurul Magfirah Nurwahida Qadira, Nur Rahmatia Thahir Ramdani, Rezki Risda Rukli Rukli S, Agustan Sabir, Andi Rifqah Saleh, Siti Fitriani Saleh, Sitti Fithriani Saleh, Sitti Fitriani Samriati Samriati Sila, Nur Aisah Herman Sirajuddin Sirajuddin Sitti Nuraenun Ilahi Sri Hardiyanti Amaliah Sri Satriani Sukmawati Sukmawati Sukmawati Sukmawati Sukmawati Sukmawati Syamsul Alam Tahir, Sitti Rahmah Thahir, Rahmatia Titin Nursyamsi Wahyuddin Wahyudi, Andi Ardhila Widya, Widya Tri Saputri B. Zarah, Zarah Fratiwi Nur Zetriuslita