Local item dependency (LID) occurs when test-takers' responses to one test item are affected by their responses to another. It can be problematic if it causes inflated reliability estimates or distorted person and item measures. The cued-recall reading comprehension test in Hu and Nation's (2000) well-known and influential coverage--comprehension…

This study investigated how students' self-reported individual differences predicted second language (L2) spoken discussion task output, an objective behavioral outcome, in the Japanese university English as a Foreign Language (EFL) context. Although numerous psychological theories are used as a rationale for task-based language teaching (TBLT),…

Graded readers are a great asset to learners acquiring the vocabulary of another language. Homonyms, on the other hand, are a recognized source of trouble for students with that same goal. Publishers of graded readers control the presentation of old and new words, but does this control extend to homonyms? Are only the word forms controlled for--in…

Recent literature in the field of L2 vocabulary assessment has advocated for the development of written receptive vocabulary tests such as Vocabulary Levels Tests (VLTs) that use: (a) meaning-recall item formats, (b) a minimum of 40 item counts per 1,000-frequency band to improve level estimates, and (c) lemmas (not word-families) as the lexical…

The substantive component of construct validity requires a confrontation between empirical test results and content relevance. The Vocabulary Size Test (VST) has been extensively validated in terms of empirical results. Less is known, however, about expert judgments of content relevance. The VST was constructed and validated according to the…