Background: The innovation of an extensive journal writing approach has made a big difference in the field of teaching academic writing. Previous studies found mixed results relating to whether journal writing could help students enhance their writing accuracy. Purpose: The purpose of the current study is to investigate whether extensive journal writing (EJW) affects EFL high school students’ writing accuracy and fluency in the writing classroom.Method: Sixty students in one of the high schools located in Tra Vinh city participated in the study. The quasi-experimental study was conducted in ten weeks. The participants were divided into two groups, namely the control group and the experimental group. Students’ writing papers, including pre-tests and post-tests, were collected for data analysis. Inter-raters were employed for analytic rating scales and written errors analysis. Results: The results show that extensive journal writing had significant effects on the students’ writing performances compared to those of students in the control group. Additionally, the number of words written in the students’ post-test was increasing. Implication: The current study’s findings were innovative to the body of literature as the EJW could help students enhance their writing performances.

中文翻译：

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泛化期刊写作对越南中学生写作准确性和流畅性的影响

背景：广泛的期刊写作方法的创新在学术写作教学领域产生了很大的变化。以前的研究发现，关于日记写作是否可以帮助学生提高写作准确性的结果好坏参半。目的：本研究的目的是调查广泛的期刊写作（EJW）是否会影响 EFL 高中学生在写作课堂上的写作准确性和流利度。方法：位于茶荣市的一所高中的 60 名学生参加了研究。准实验研究在十周内进行。参与者被分为两组，即对照组和实验组。收集学生的写作论文，包括前测和后测，用于数据分析。跨评分者被用于分析评分量表和书面错误分析。结果：结果表明，与对照组的学生相比，大量的日记写作对学生的写作表现有显着影响。此外，学生在后测中写的字数也在增加。启示：目前的研究结果对文学作品具有创新性，因为 EJW 可以帮助学生提高写作能力。