This study investigated the effect of derivational suffix instruction on vocabulary knowledge. Fifty-eight high school learners were recruited to participate in the study. The learners were divided into control (n = 29) and experimental (n = 29) groups. The experimental group received a Fundamental English II course with an emphasis on…

This research explored the effectiveness of using the word network technique to teach English vocabulary to first graders in Thai Primary schools. The 150 top-frequency words used in three nationally-used textbooks were inventoried. The list of the words then was compared with the list proposed by the Ministry of Education, Thailand. The combined…

The washback effects of high-stakes tests have become conspicuous and prevalent in Thai educational contexts. Yet, researchers in language assessment still have much to strive towards to understand the nuanced role of teacher factors as a mediator between the washback effects of high-stakes tests and teaching. This study aimed to investigate how…

Given the significant global influence of the Common European Framework of Reference for Languages: Teaching, Learning, and Assessment (CEFR) on English language education, this study deals with aligning a university's academic reading tests to the CEFR. It aimed at validating the test construct of the academic reading tests in relation to the…

Chiang Mai Rajabhat University Test of English Proficiency (CMRU-TEP) is a required English proficiency test for all CMRU students before graduation. Despite its meticulous design, there is an opportunity for students to improve their scores through focused efforts and targeted support. This study employs an explanatory sequential mixed-methods…

Self-Directed Informal Digital Learning of English (SD-IDLE) plays a crucial role in informal language learning. This study aims to examine the SD-IDLE nature of English learning among Indonesian university students and its impact on language learning and personal development. The research used a sequential explanatory mixed methods design,…

The increasing popularity of the Common European Framework of Reference (CEFR) in non-native English-speaking countries has generated a demand for concrete examples in the creation of CEFR-based tests that assess the four main English skills. In response, this research endeavors to provide insight into the development and validation of a…

This research endeavors to assess the efficacy of Mobile Assisted Language Learning (MALL) in elevating students' English proficiency to the Common European Framework of Reference (CEFR) B1 level. The study involves identifying the most suitable mobile application for formative assessment, implementing it to enhance students' English competency,…