Effects of text structure instruction on expository text writing: An intervention for grade 7 English as foreign language learners
Keywords:
Text structure instruction, Expository text writing, Writing from source text, Informational text writingAbstract
Expository text writing is an essential skill for EFL primary school students, particularly where English is the medium of instruction. This quasi-experimental study examined the effects of explicit text structure instruction on the expository text writing of grade 7 EFL learners. Two intact groups of learners were randomly selected from two schools and designated as the experimental (n=44) and control (n=39) groups. The experimental group received explicit text structure instruction in two phases, while the control group followed the regular curriculum. Analysis of the post-test data using ANCOVA indicated that the experimental group significantly outperformed the control group in text structure identification (η2= 0.34), as well as in writing simple descriptive (η² = 0.28) and cause-and-effect paragraphs (η² = 0.37). An in-depth analysis of the participants’ writings showed that the experimental group included more main ideas/supportive details, and more precise word choices in their simple descriptive (η2=0.57 and η2=0.07) and cause-and-effect paragraphs (η2=0.43 and η2=0.35), respectively, with effect sizes ranging from medium to large. Moreover, the participants in the experimental group demonstrated significant improvements in their topic sentence writing quality, particularly in simple descriptive paragraphs (η² = 0.06), with a medium effect size. Finally, the study concludes with practical implications for EFL writing instruction and recommendations for future research.
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