Accessibility is a hot topic in online education these days. Despite the increased focus on accessibility, most discussions of creating "accessible" online courses and elearning simply focus on adding alternative text to images and captions to video. In this article, we argue that online educators and workplace learning professionals…

Theme-based learning (TBL) refers to learning modes which adopt the following sequence: (a) finding the theme; (b) finding a focus of interest based on the theme; (c) finding materials based on the focus of interest; (d) integrating the materials to establish shared knowledge; (e) publishing and sharing the integrated knowledge. We have created an…

The IRT (Item Response Theory) has been studied and applied in computer-based test for decades. However, almost of all these existing studies evaluated focus merely on test questions with text-based (or static text/graphic) type of presentation form illustrated exclusively. In this paper, we present our study on test questions using both…