Effective written communication is not only a crucial skill for academic achievement but also for business context as it could lead to individual professional career success and profitable accomplishment. To achieve these goals requires concise and correct communication. This study, therefore, aims to explore the most frequently-made errors by 30…

This study aimed to investigate the lexical competence of English-major EFL students. The learner corpus comprised 552 pieces of writing by sophomore English majors during five academic years between 2017 and 2021, containing 190,506words in total. The results from Vocab Profile program showed that these students used words contained in the…

The Chulalongkorn University Test of English Proficiency (CU-TEP) is an institutional standardized English proficiency test designed to measure students' ability to use English for academic purposes. It is required for admission to graduate programs and undergraduate English programs at Chulalongkorn University and some other educational…

In recent years, there has been a growing trend of using informal styles in academic writing, including research articles. To examine the degree of formality in students' writing, this corpus-based study aimed to analyze the formal linguistic features in the academic writing assignments of English-major students at a Thai university. The learner…

This study explores how machine translation (MT) influences the English writing process and performance of 29 9th-grade EFL students with limited English proficiency. Over 10 writing tasks conducted during the semester, participants had varied accessibility to MT. The research compared their performance when MT was permitted versus when it was…

This true longitudinal study explored the lexical development of L2 university English major students in Thailand using two learner corpora. This study analyzed the natural learners' English language writing assignments from two writing courses and tracked their lexical development over a relatively long period (three years with five batches of…

This study focused on comparing the effects on 32 students' argumentative writing qualities when they worked alone or collaborated in pairs and groups and explored the students' opinions towards critical thinking across different writing activities. The 32 students were divided into groups of four (n=8), pairs (n=16) and individuals (n=32). Their…

Although the behavior and impacts of instructor reflection in writing classes have been extensively studied over the past few decades, a significant proportion of the work has concentrated on students' attitudes and utilization of all such responses, as opposed to teachers' perspectives, self-assessments, and actual text comments given. Research…

The present study aims to investigate how Thai EFL university students use Google Translate (GT) in English writing, how they post-edit (PE) its outputs, and how they view GT use in English writing. The participants were 15 third-year non-English major students from three universities in Thailand. The data collection tools were an interview and…

Conditional sentences are difficult for EFL students to understand because of their complexity in both form and function. By analyzing the performances and opinions among EFL learners, the pedagogical contribution may be beneficial for both EFL students and teachers. The use, errors, and perceptions of Thai EFL students regarding conditional…

This empirical study examined the perceptions and experiences of nine Thai college student writers' expression of emotions in poetry, narrative, and opinionated writing written in their first (L1) and second (L2) languages: Thai and English. The study focused on the participants' perspectives in order to gain more understanding of the phenomenon…

This paper describes a quasi-experimental study into the impact of a blended e-learning environment on academic writing assignments in English (L2) at a Thai international college. An experimental group of 15 students used an on-line bulletin board, as well as face-to-face (F2F) communication in class, to share information for essay topics they…