LINGUISTIC ERROR PATTERNS IN IELTS ACADEMIC WRITING: A CASE STUDY OF VIETNAMESE EFL LEARNERS AT THE B2 LEVEL

Autori

  • Vu Thi Phuong Thanh Faculty of Foreign Languages, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam

DOI:

https://doi.org/10.46827/ejfl.v10i2.6808

Cuvinte cheie:

error analysis, IELTS Academic Writing, Vietnamese EFL learners, case study, writing errors, task complexity

Rezumat

This case study investigates linguistic error profiles and discourse-level performance of 20 Vietnamese English as a Foreign Language (EFL) learners (level B2/CEFR; target band 6.5+) in IELTS Academic Writing Tasks 1 and 2. Guided by Error Analysis (EA) and the official IELTS Writing Assessment Criteria, a descriptive mixed-methods design was employed to categorise errors at the word level (mechanical, morphological, lexical, and grammatical) and sentence level (syntactic, agreement, omission, and addition), complemented by qualitative discourse analysis. The findings reveal a task-contingent shift in the distribution of errors: Task 1 was associated primarily with word-level difficulties (81%), whereas Task 2 generated a substantially higher proportion of sentence-level errors (44%), particularly in modal verb complementation, passive structures, and subject-verb agreement. Discourse-level analysis further revealed a reliance on prefabricated cohesive patterns in Task 2, which constrained performance at the band 6-7 threshold. These findings suggest that the plateau many Vietnamese IELTS candidates experience is not simply a vocabulary or grammar problem but reflects a processing gap: learners lack the capacity to sustain grammatical control under the cognitive demands of extended argumentation. Task-specific instructional directions for learners targeting band 7 are discussed.

Biografie autor

  • Vu Thi Phuong Thanh, Faculty of Foreign Languages, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam
    Vu Thi Phuong Thanh holds an MA in TESOL from the University of Hull, UK. She is currently a lecturer at the Faculty of Foreign Languages, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam. Her research interests include teacher education, technology-enhanced language learning, and testing and assessment.

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2026-06-19

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