Language learners are underserved if there are unlearned meanings of a word that they think they have already learned. For example, "circle" as a noun is well known, whereas its use as a verb is not. For artificial-intelligence-based support systems for learning vocabulary, assessing each learner's knowledge of such atypical but common…

This study investigated the relationship between a metaphor-based approach to teaching English as a foreign language (EFL) and involvement of the brain's right hemisphere. Specifically, it examined learners' understanding of three levels of sureness associated with different expressions in English -- those that are "certain,"…

One of the most critical steps in the test development process is defining the construct, or the knowledge, skills, or abilities, to be assessed. This foundational step provides the basis for initial assumptions about the meaning of test scores and serves as a reference for subsequent validity research. In this paper, we describe the purpose of…