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Description
Traditionally, teachers assess student writing through feedbacking and rubric-based scores, a process that can be both subjective and time-consuming. This study addressed the gap by employing a corpus-based approach. Two sets of narrative-reflective essays written by Thai university students were collected as the target corpora, and two sets of AI-generated essays with narrative-reflective characteristics were produced as the reference corpora. Keyword analysis was used to compare the student essays with the AI-generated essays to identify the keywords that illustrate the characteristics of the student essays. Additionally, the AI-generated essays were compared with the student essays to verify the findings. From the findings, the first target corpus contains key linguistic features that highlight students’ focus on personal experiences and relationships, expressed through basic evaluative and descriptive language. The second target corpus shows key linguistic features more typical of an informative or explanatory characteristic. The AI-generated reference corpora reveal that both target corpora lack reflective engagement as required by the writing task. These corpora also reveal the consistent accuracy in verb usage and agreement in the second target corpus, indicating that it was likely produced by AI-based writing tools, as it is highly similar to the reference corpora. This study demonstrates how a corpus-based approach, using AI-generated texts as a reference corpus, can provide a systematic and evidence-based method for assessing the distinctive characteristics of student writing. The findings also carry pedagogical implications by guiding teachers in determining relevant grammatical topics that may support the development of students’ writing skills.
Biography
Dr. Raymund T. Palayon is a lecturer and researcher in English at King Mongkut's Institute of Technology Ladkrabang. He obtained his Ph.D. in Applied Linguistics from King Mongkut's University of Technology Thonburi. His research primarily focuses on corpus linguistics, religious discourse, corpus-assisted discourse analysis, and English language teaching. His recent studies examine the language characteristics of Christian religious groups, persuasive discourse, and the use of corpus methodologies for identifying linguistic patterns in specialized texts. He is also interested in the application of artificial intelligence and corpus technologies in language education and academic writing. He has authored and co-authored publications in international peer-reviewed journals and actively contributes to scholarly conferences and research collaborations.
Mr. Joveth Jay Dafilmoto Montana is an author, researcher, and teacher by profession. He is a full-time faculty member of the English Department of Mindanao State University-General Santos. His research interests include forensic linguistics, Philippine linguistics, corpus linguistics, multilingualism, multimodality, World Englishes, instructional material development, and language education. He authored and co-authored research papers that were published in reputable peer-reviewed journals and Scopus-indexed journals. He is a member of the Reading Association of the Philippines (RAP), Philippine Association of Forensic and Legal Linguistics (PAFLL), and a lifetime member of the Linguistic Society of the Philippines (LSP). He already presented his research papers in international conferences held in Vietnam, Cambodia, & Thailand.
Dr. Intira Kueasanoh is an educator and academic researcher specializing in curriculum and instruction. She has contributed to scholarly research on English teaching methods, cooperative learning, and curriculum management in Thailand.She co-authored a notable study on developing English teaching models to improve reading comprehension and social skills among student teachers, published in the Journal of Research, Muban Chombueng Rajabhat University. She has been affiliated with the Department of Curriculum and Instruction at Silpakorn University and has engaged in educational research involving Muban Chombueng Rajabhat University. Her primary areas of professional expertise include: Curriculum Management & Development, Instructional Innovation, and Educational Research.
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