Brain Rules by John J. Medina is a multimedia project explaining how the brain works. It includes a book, a feature-length documentary film, and a series of interactive tutorials.
ARCS provides a good summary of the issues to be considered when designing a learning intervention. In particular it makes sense to me when putting together a live online learning event.
People can focus on more than three items at a time if those items share a common color. Psychologists at Johns Hopkins University have demonstrated that when players wear uniforms, it allows spectators, players and coaches at major sporting events to ove