Several high-stakes English proficiency tests including but not limited to IELTS, PTE Academic, and TOEFL iBT recommend a 2-year time limit on validity for score usage. Although this timeframe provides a useful rule-of-thumb for the recency of testing, it can have far-reaching consequences. In response to stakeholder queries around IELTS validity…

This study aims to investigate how social media tools, in other words social network services (SNS), affects the success of Japanese language learners in learning Japanese culture in undergraduate programs. For this research, a mixed method approach was used with a quantitative, quasi-experimental research design including a pre-test-post-test…

Corrective feedback plays a critical role in enhancing writing skills among English as a Foreign Language (EFL) learners, but large class sizes often hinder the provision of personalized feedback. Generative AI tools such as ChatGPT have emerged as promising solutions that offer immediate and individualized feedback for writing. This study…

This research utilized the combination between quantitative and qualitative researches. The research sample included Thai language course lecturers both Thai and South Korean persons, including 1st-4th year South Korean undergraduate students. The instruments used included the questionnaire on teaching strategy which also included Thai culture to…

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…

While several studies support the appropriateness of tasks delivered through Spoken Dialog Systems (SDSs) for L2 oral communication assessment, few studies have explored the construct of interactional competence (IC) as measured by such tasks. This study aims to address this gap in the literature by investigating the use of IC features by high-…

Tests are often applied to evaluate students' academic performance in all educational contexts. In order to be successful in the tests, students are required not only to possess the knowledge of the subject, but also test-taking strategies which enable them to gain higher test score. The present study was aimed at investigating the relationship…

This study investigated to what extent the scores of two English tests are correlated to each other, namely, the English test of the "Common Test for University Admissions" (Common Test, henceforth) in Japan and the "TOEIC Bridge", a commercially available English test developed by "Educational Testing Service" (ETS)…

Applicants must often demonstrate adequate English proficiency when applying to postsecondary institutions by taking an English language proficiency test, such as the TOEFL iBT, IELTS Academic, or Duolingo English Test (DET). Concordance tables aim to provide equivalent scores across multiple assessments, helping admissions officers to make fair…

In spite of the proliferation of research studies on vocabulary knowledge, investigating the relationship between self-regulation, vocabulary size, and collocational knowledge among English as a Foreign Language (EFL) learners has received scant attention. The current study aimed to investigate whether vocabulary and collocation size can explain…

This study investigated whether students' gender, prior achievement, and socioeconomic status (SES) moderated the magnitude of teacher expectation effects on students' English-as-a-foreign-language (EFL) achievement. A sample of 30 university teachers and 845 first-year undergraduate students from EFL classrooms participated in the study. Data on…

Many English-medium universities employ a compensatory model to establish cutscores on English language proficiency tests for student admissions. In this model, students can have different scores on different sections of the test provided their overall score meets the admission cutscore. This practice raises questions regarding potential variation…

Research in validity suggests that stakeholders' interpretation and use of test results should be an aspect of validity. Claims about the meaningfulness of test score interpretations and consequences of test use should be backed by evidence that stakeholders understand the definition of the construct assessed and the score report information. The…

Sometimes a treatment, such as receiving a high school diploma, is assigned to students if their scores on two inputs (e.g., math and English test scores) are above established cutoffs. This forms a multidimensional regression discontinuity design (RDD) to analyze the effect of the educational treatment where there are two running variables…

In the existing literature, scholars have proposed various indices to measure the lexical richness (LR) of English as a foreign language (EFL) writing. However, there are currently issues of redundant indices and inconsistent usage. Attempting to address the research question of which indices are the most sensitive and effective ones to…