The study investigated the effect of an instructor's positive (vs. neutral) emotions in video lectures on student learning using either easy or difficult geography topics (i.e. easy: the Earth within the universe; difficult: understanding time and date calculations of Earth). The results showed that, first, students responded more positively…

Much effort has been put into the design of video lectures, but little attention has been paid to the social environment in which learning takes place. The present study addressed this gap by assigning Chinese undergraduate and graduate students who had passed the College English Test-4 to learn easy or difficult English vocabulary words in three…

An instructor's gestures have an effect not only on students' learning but also on teaching itself. In two experiments, this study tested whether instructors' use of gestures while recording video lectures affected their teaching performance, stress, and cognitive load. In Experiment 1, participants recorded video lectures with gestures or without…

Video lectures are being widely used in online and blended learning classes worldwide, and their learning effectiveness is becoming a focus of many educators and researchers. This study examined the cognitive load and learning effectiveness of video lectures in terms of the type of knowledge being taught (declarative or procedural) and instructor…