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…

International English Language Testing System (IELTS) scores have been widely used as the language entry requirements for international students in many English-medium universities. However, research on the predictive validity of IELTS on subsequent academic performance has been inconclusive. Additionally, despite the proliferation of IELTS…

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…

Despite extensive research on assessing collocational knowledge, valid measures of academic collocations remain elusive. With the present study, we employ an argument-based approach to validate two Academic Collocation Tests (ACTs) that assess the ability to recognize and produce academic collocations (i.e., two-word units such as "key…

The measurement of test-taking strategies and practices, mostly studied through qualitative methods, has been an important aspect of language testing and assessment research. The current study examines the test-taking strategies of International English Language Testing System (IELTS) test-takers and reports the process of designing and validating…

This study used Latent Growth Curve Modeling (LGCM) to examine the overtime patterns of the score and test-taking strategy changes in an international high-stakes standardized proficiency test. To this end, the test records of 178 Iranian IELTS repeaters were analyzed, using close- and open-ended questionnaires to measure test scores as a function…

Background: A critical issue in International English Language Testing System (IELTS) lies in the significance of the validity of IELTS listening comprehension test (hereafter IELTS LCM). However IELTS listening validity has been investigated, it has not been investigated with reference to multiple sources of evidence regarding item internal…

This paper reviews the International English Language Testing System's speaking sub-test in the East Asia region with reference to theoretical and practice-based perspectives and identifies future research opportunities to enhance the measures of test qualities found. The test's construct validity was seen to accurately measure the abilities…

A critical component of cognitive diagnostic models (CDMs) is a Q-matrix that stipulates associations between items of a test and their required attributes. The present study aims to develop and empirically validate a Q-matrix for the listening comprehension section of the International English Language Testing System (IELTS). To this end, a…

Thousands of education institutions worldwide rely on IELTS scores as criteria for accepting international students whose first language is not English. Individual studies have found varying degrees of strength of correlations and conflicting results between IELTS entry scores and subsequent academic success. These conflicting results were…

Language assessment is increasingly computermediated. This development presents opportunities with new task formats and equally a need for renewed scrutiny of established conventions. Recent recommendations to increase integrated skills assessment in lecture comprehension tests is premised on empirical research that demonstrates enhanced construct…

Shifting focus of asocial language tests toward social considerations recalls their ideological basis (Mirhosseini, De Costa, 2020). The recurrent exposure to and involvement in discursive constructions of high stakes' contents, may bring along certain sociocultural conceptualizations and values by test audiences (van Dijk, 1998). Thus, unless a…

The COVID-19 pandemic has changed the university admissions and proficiency testing landscape. One change has been the meteoric rise in use of the fully automated Duolingo English Test (DET) for university entrance purposes, offering test-takers a cheaper, shorter, accessible alternative. This rapid response study is the first to investigate the…

For institutions where English is the primary language of instruction, English assessments for admissions such as the Test of English as a Foreign Language (TOEFL) and International English Language Testing System (IELTS) give admissions decision-makers a sense of a student's skills in academic English. Despite this explicit purpose, these exams…

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…