Chulalongkorn University Language Institute (CULI) test was developed as a local standardised test of English for professional and international communication. To ensure that the CULI test fulfils its intended purposes, this study employed Kane's argument-based validation and Rasch measurement approaches to construct the validity argument for the…

Language testing research has suggested that placement accuracy can be an important factor in the consequences of placement decision-making. However, previous studies primarily have used a one-shot teacher judgment of placement accuracy, suffering from a lack of students' perspectives of their time-varying experiences. The present study aimed to…

This paper presents a new method for accurately measuring the vocabulary size of second language (L2) learners. Traditional vocabulary size tests (VSTs) are limited in capturing a tester's vocabulary and are often population-specific. To overcome these issues, we propose an intelligent vocabulary size measurement method that utilizes massive robot…

The release of ChatGPT marked the beginning of a new era of AI-assisted plagiarism that disrupts traditional assessment practices in ESL composition. In the face of this challenge, educators are left with little guidance in controlling AI-assisted plagiarism, especially when conventional methods fail to detect AI-generated texts. One approach to…

Automatic Speech Scoring (ASS) has increasingly become a useful tool in oral proficiency testing for Second Language (L2) learners. However, limited studies investigate the alignment of ASS indices with the Complexity, Accuracy, and Fluency (CAF)--the three dimensions in evaluating L2 speakers' oral proficiency, and the subsequent impact indices…

Writing assessment literacy (WAL) has received research attention over the past few years. This study aimed at investigating writing assessment knowledge of Iranian English language teachers along with their conceptions and practices of writing assessment based on Crusan et al.'s (Assessing Writing 28:43-56, 2016) study in order to have a better…

Writing comprehensibly, dynamically, and persuasively in a foreign language is a significant challenge for learners. Written communication assesses language and writing progress for various summative and developmental goals. Scenario-based assessment (SBA), as one of the methodologies of classroom-based assessment (CBA), aims to elicit both…

This study proposed an innovative automated approach to differentiation of the vocabulary proficiency of Chinese speakers. A robust K-means algorithm was designed to compare the oral proficiency between L1 and L2 Chinese speakers regarding lexical richness and how relatively effective the various lexical measures were in performing the…

This study explored two assessment approaches to oral performances: analytical complexity, accuracy, and fluency (CAF) indices and human raters' evaluations. CAF indices are frequently used in second-language speaking (L2) research; however, because tasks are communicative and goal-oriented, the degree to which students achieve such communicative…

As the effects of self-assessment, peer assessment, and teacher assessment on EFL learners' writing CAF and speaking CAF have not examined in Iran, this research compared their effectiveness on developing Iranian EFL students' writing CAF and speaking CAF. Moreover, this research examined the attitudes of EFL students towards the three types of…

This research was carried out to comparatively study the impacts of portfolio-based assessment, self-assessment, and scaffolded peer assessment on reading comprehension, vocabulary learning, and grammatical accuracy of Afghan English as a foreign language learners. To accomplish this, 172 learners enrolled at a language institute, through an…

This study attempted to check the impact of two dynamic assessment (DA) models on speaking CAF. DA, as opposed to static assessment, is conceived as an interactive approach to assessment that integrates teaching and testing into a unified instructional engagement. To achieve the goals of this research, a convenience sample of 90 upper-intermediate…

This study examines the range of cognitive processes assessed in the English language reading literacy test as part of the Hong Kong Diploma of Secondary Education Examination (HKDSE), the secondary school exit test in Hong Kong. Prior studies have suggested that higher order cognitive processes are often undermined in high-stakes tests and…

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…

It is becoming increasingly important for individuals for whom English is a second language to demonstrate their linguistic credentials for academic, work and employment purposes. One option is to undertake International English Language Testing System (IELTS), which involves attempting to meet the linguistic entrance criteria set by a gatekeeping…