Personalized learning has become an important and powerful paradigm catering for various needs, styles, preferences, and modes of learning. Several methods including task recommendations and path planning have recently emerged to effectively implement personalized learning using e-learning systems. The literature shows that the use of task…

The current study investigates how second language (L2) listening comprehension is associated with three dimensions of L2 vocabulary knowledge: size, depth, and fluency. Vocabulary knowledge tests administered to 290 participants measured L2 auditory vocabulary size, depth, and fluency. Afterward, participants took an International English…

Research shows that test method can exert a significant impact on test takers' performance and thereby contaminate test scores. We argue that common test method can exert the same effect as common stimuli and violate the conditional independence assumption of item response theory models because, in general, subsets of items which have a shared…