Research has identified key reasons why the lightboard is so effective
Facial Expression and Gestures: The Lightglass takes advantage of the presenter’s personal style (gestures and speech) as they are continuously facing their audience. This allows them to better connect with and engage their audience and increase information retention.
This is where people learn better from a video lecture when the onscreen instructor shifts gaze between the audience and board while lecturing rather than looking only at the audience or board.
This states that people learn better from a video lecture when the onscreen instructor draws graphics on a board while lecturing, rather than referring to already drawn graphics