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…

There has been much debate in assessment research about the inclusion of Global English accents in high-stakes listening tests. This study explored test-takers' attitudes toward the inclusion of different English accents in the Duolingo English Test (DET) 2021 test version and their associations with listening test scores. One hundred sixty…

Based on 312 samples, this study investigated the relationship between two dimensions of L2 vocabulary knowledge (VK) and listening comprehension (LC) by comparing written and oral vocabulary measurements and further examined the mediating effect of L2 vocabulary fluency (VF) by using Bootstrapping and Monte Carlo Method. Results show that: (1)…

The article offers an in-depth lexical analysis of the listening sub-test of the famous International English Language Testing System (IELTS). The vocabulary profile of 239 listening transcripts from 60 IELTS official practice tests were analyzed. The results showed that, 3,000 most frequent word families in the British National Corpus/Corpus of…

This study investigated the relationship between working memory (WM), semantic-encoding (SE) ability, and reading comprehension (RC) within the domain of second language acquisition (L2). 120 L1-Persian EFL learners were placed in three proficiency groups (beginning, intermediate, and advanced) based on their scores on the IELTS test. The…

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…

A growing body of research has examined the incorporation of English as a Lingua Franca (ELF) into Second Language (L2) instruction in various settings. Despite pedagogical innovations in L2 classrooms, little research has embodied retrospective explorations of the impact of ELF interventions with concrete instruments to measure the exact change…

Students of social and natural sciences are expected to achieve different learning outcomes because they employ different language learning strategies and are exposed to different vocabulary. This research was aimed at finding evidence from empirical data to determine whether the differences in learning outcomes are statistically significant. The…

This study examined the semantic features of the simulated mini-lectures in the listening sections of the International English Language Testing System (IELTS) and the Test of English as a Foreign Language (TOEFL) based on automatized semantic analysis to explore the content validity of the two tests. Two study corpora were utilized, the IELTS…

The article presents an empirical study that investigates the single- and cross-modality relationships between different dimensions of receptive vocabulary knowledge and language skills, as well as the importance of academic vocabulary knowledge in academic listening and reading comprehension. An Updated Vocabulary Levels Test (UVLT), a Vietnamese…

The construct of reading is presented in language assessment. Previous studies have focused on reading issues encountered by English learners, most of which are manifested by certain linguistic features: lexical bundles (LBs). Addressing this, the study aims to analyze LBs in reading comprehension passages in the Chinese National Matriculation…

Research suggests that English for Specific Purposes (ESP) students in English-as-a-Foreign-Language (EFL) contexts have difficulties understanding the passages in technical English textbooks of various fields of study including computer software engineering. Few experimental studies to date have investigated the effect of an online hybrid reading…

I analyzed a corpus of the international English language testing system (IELTS) comprising 256 listening sections (1996-2021). The primary objective of the study was to gain insights into the assumptions made by test designers regarding the real-life contexts that test-takers will encounter. Overall, 15 superordinate topic areas and 300 subtopics…

Scholars have argued for the inclusion of different spoken varieties of English in high-stakes listening tests to better represent the global use of English. However, doing so may introduce additional construct-irrelevant variance due to accent familiarity and the shared first language (L1) advantage, which could threaten test fairness. However,…

Corpus-based studies have offered the domain definition inference for test developers. Yet, corpus-based studies on temporal fluency measures (e.g., speech rate) have been limited, especially in the context of academic lecture settings. This made it difficult for test developers to sample representative fluency features to create authentic…