This study applied the Mixed Rasch Model (MRM) to the listening comprehension section of the International English Language Testing System (IELTS) to detect latent class differential item functioning (DIF) by exploring multiple profiles of second/foreign language listeners. Item responses of 462 examinees to an IELTS listening test were subjected…

Due to pressure to meet goals, some test-takers preparing for the IELTS (International English Language Testing System) Writing test solicit written feedback (WF) from an expert provider on their rehearsal essays, in order to identify and close gaps in performance. The extent self-directed candidates are able to utilize written feedback to enhance…

This study explores the efficacy of ChatGPT-3.5, an AI chatbot, used as an Automatic Essay Scoring (AES) system and feedback provider for IELTS essay preparation. It investigates the alignment between scores given by ChatGPT-3.5 and those assigned by official IELTS examiners to establish its reliability as an AES. It also identifies the strategies…

This controlled experimental study investigated the interaction of variables associated with rating the pronunciation component of high-stakes English-language-speaking tests such as IELTS and TOEFL iBT. One hundred experienced raters who were all either familiar or unfamiliar with Brazilian-accented English or Papua New Guinean Tok Pisin-accented…

Little is known about what academics focus on when providing assessment feedback to international students for whom English is an additional language (EAL). This study examines written assessment feedback provided to 11 EAL-speaking international students throughout a two-year Master of Social Work programme and investigates their perspectives of…

This paper investigates the comparability between the video-conferencing and face-to-face modes of the IELTS Speaking Test in terms of scores and language functions generated by test-takers. Data were collected from 10 trained IELTS examiners and 99 test-takers who took two speaking tests under face-to-face and video-conferencing conditions.…

This study examines four learner engagement dimensions (behavioural, cognitive, emotional and social) in pedagogical task performance and provides insights into the effects of two task types (information-seeking and direction-giving) and topic familiarity on learner engagement in a semester-long English course. A total of 28 foreign language…

Mobile-assisted Language Learning (MALL) has been widely adopted in teaching and learning, yet there has been scant research concerning speaking test adaptation. An emerging type of mobile application is designed to facilitate test takers' performance in a high-stakes speaking test (e.g., the International English Language Testing System (IELTS)).…

Comparing language tests and test preparation materials holds important implications for the latter's validity and reliability. However, not enough studies compare such materials across a wide range of indices. Therefore, this study investigated the text complexity of IELTS academic reading tests (IRT) and IELTS reading practice tests (IRPrT).…

Research on the use of standardized test scores in higher education reveals significant variations in attitudes and perceptions of language proficiency tests among test score users. Most test score users have limited knowledge about test score interpretations in terms of what English as additional language (EAL) students typically know and can do…

Grounded in the activity theory, we adopted a sequential explanatory mixed-methods approach to explore the impact of automated written corrective feedback (AWCF) on English as a foreign language (EFL) learners' academic writing skills (i.e. task achievement, coherence and cohesion, lexicon, and grammatical range and accuracy). To this end, two…

Achieving a sufficient IELTS band score for academic purposes has been a major goal of many L2 learners around the world, especially those in Asia. However, IELTS writing scores were consistently reported to be the lowest when compared to the scores in speaking, reading, and listening. Despite a growing body of research in IELTS writing, little…

Background: Research in the field of writing pedagogy within higher education has extensively examined the significant roles that feedback plays in the development of students' writing skills. However, comparative studies that investigate the efficacy of teacher-provided written and oral feedback, both with and without the aid of technology,…

Large-scale standardized ESL tests such as the International English Language Testing System (IELTS) are widely used around the world to measure the language proficiency of test-takers and make different decisions based on their scores. Reading comprehension is an integral part of such tests which requires test-takers to read passages and answer a…

This study investigated the effects of using IELTS model essays in conjunction with noticing as a feedback instrument on Vietnamese undergraduates' IELTS Task 2 writing performance. To investigate this, a quasi-experimental design was undertaken. The control group used the course textbook and received traditional writing feedback (i.e. direct,…