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 role of preschool teachers in supporting children's language development is unquestionably substantial. To ensure the quality of preschool teachers' performance in this specific task, various assessing instruments have been developed and justified in recent years. This study joins such efforts by investigating a new scale based on the…

While in recent years, the introduction of English as a Medium of Instruction (EMI) courses has been increasing in Taiwanese and Vietnamese universities, use of EMI courses is still in an early phase, and their effectiveness remains under-explored in both territories. This study aims to develop an EMI effectiveness scale and apply…

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…

The effects of question or task complexity on second language speaking have traditionally been investigated using complexity, accuracy, and fluency measures. Response processes in speaking tests, however, may manifest in other ways, such as through nonverbal behavior. Eye behavior, in the form of averted gaze or blinking frequency, has been found…

To investigate whether the type of keyboard used in exams introduces any construct-irrelevant variance to the TOEFL iBT Writing scores, we surveyed 17,040 TOEFL iBT examinees from 24 countries on their keyboard-related perceptions and preferences and analyzed the survey responses together with their test scores. Results suggest that controlling…

Computer technology made its way into writing instruction and assessment with spelling and grammar checkers decades ago, but more recently it has done so with automated essay evaluation (AEE) and diagnostic feedback. And although many programs and tools have been developed in the last decade, not enough research has been conducted to support or…

This article describes the development and validation of a Vietnamese bilingual version of the Vocabulary Size Test--a test which measures written receptive vocabulary size. The test can be used to measure the English vocabulary size of Vietnamese learners of English. A learner's total vocabulary size is calculated by multiplying their test result…

Portfolios have gained great popularity as a method of process-oriented writing assessment in the last 20 years. Despite the apparent advantages, as with other new methods of assessment, they still raise many controversies, particularly those regarding the validity of their contents and assessment. This article describes the first stages in the…