This dissertation investigates the linguistic features of engagement in spoken academic online and face-to-face instruction in mathematics on two platforms: Khan Academy and MIT OpenCourseWare. In particular, the study analyses involvement features (personal pronouns and deixis) and interactional features (response elicitors, direct hypothetical…

This study was designed to determine what change the i-Ready math tutorial videos had on math performance, self-efficacy, and math anxiety with middle school math students. In addition, the study determined the student perception of the effectiveness of the i-Ready math tutorial videos. The purpose was to help educators identify a specific tool…