DIFFERENTIATED WRITING INSTRUCTION BASED ON STUDENTS’ WRITING PROFICIENCY LEVELS
DOI:
https://doi.org/10.51878/educator.v6i3.14837Keywords:
instruksi terdiferensiasi, pencapaian menulis, Pelajar EFLAbstract
Mixed-ability EFL classrooms present a persistent instructional challenge, as heterogeneous writing proficiency levels among students are rarely addressed effectively through a one-size-fits-all approach. Empirical studies that specifically investigate the effect of Differentiated Instruction (DI) on EFL writing achievement across different proficiency levels remain limited, leaving a gap in writing pedagogy within junior high school contexts. This study aimed to examine the effect of process-based DI on the writing achievement of eighth-grade EFL students at SMP Islam Sultan Agung. A quasi-experimental nonequivalent control group design was employed involving 50 students, consisting of an experimental group (n = 25) receiving process-differentiated instruction and a control group (n = 25) receiving conventional instruction. The intervention was conducted over three sessions focusing on recount text writing. Writing performance was assessed using the ACTFL Writing Proficiency Test (WPT) guidelines, and the data were analyzed using descriptive statistics, the Shapiro–Wilk normality test, Levene’s homogeneity test, and an independent-samples t-test. The findings revealed that both groups had comparable initial writing ability before the intervention. Following the treatment, the experimental group demonstrated higher writing achievement than the control group. These results indicate that process-based DI effectively enhances EFL students’ writing performance by accommodating diverse levels of learner readiness. However, the relatively small sample size and short intervention period limit the generalizability of the findings. Therefore, DI is recommended as an alternative instructional strategy for heterogeneous EFL classrooms, and further research is needed to explore its long-term impact across broader educational contexts.
ABSTRAK
Kelas EFL dengan kemampuan campuran menghadirkan tantangan instruksional yang terus-menerus, karena tingkat kemahiran menulis yang heterogen di antara siswa jarang dapat ditangani secara efektif melalui pendekatan satu ukuran untuk semua. Studi empiris yang secara khusus meneliti pengaruh Instruksi Diferensiasi (Differentiated Instruction / DI) terhadap pencapaian menulis EFL pada berbagai tingkat kemahiran masih terbatas, sehingga menyisakan kesenjangan dalam pedagogi menulis pada konteks sekolah menengah pertama. Penelitian ini bertujuan untuk menguji pengaruh DI berbasis proses terhadap pencapaian menulis siswa EFL kelas VIII di SMP Islam Sultan Agung. Penelitian menggunakan desain kuasi-eksperimental nonequivalent control group yang melibatkan 50 siswa, terdiri atas kelompok eksperimen (n = 25) yang memperoleh pembelajaran terdiferensiasi berbasis proses dan kelompok kontrol (n = 25) yang memperoleh pembelajaran konvensional. Intervensi dilaksanakan selama tiga sesi pembelajaran menulis teks recount. Kemampuan menulis diukur menggunakan pedoman ACTFL Writing Proficiency Test (WPT), sedangkan data dianalisis melalui statistik deskriptif, uji normalitas Shapiro–Wilk, uji homogenitas Levene, dan independent-samples t-test. Hasil penelitian menunjukkan bahwa kedua kelompok memiliki kemampuan awal yang relatif setara sebelum perlakuan diberikan. Setelah intervensi, kelompok eksperimen menunjukkan pencapaian menulis yang lebih tinggi dibandingkan kelompok kontrol. Temuan ini mengindikasikan bahwa DI berbasis proses efektif dalam meningkatkan kemampuan menulis siswa EFL dengan mengakomodasi tingkat kesiapan belajar yang beragam. Meskipun demikian, keterbatasan jumlah sampel dan durasi intervensi yang relatif singkat membatasi generalisasi hasil penelitian. Oleh karena itu, DI direkomendasikan sebagai alternatif strategi pembelajaran untuk kelas EFL yang heterogen, dan penelitian lanjutan diperlukan untuk mengeksplorasi dampaknya dalam jangka panjang pada konteks yang lebih luas.
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