Introduction to Psychology (University of Toronto, Coursera)

Steve Joordens built this University of Toronto course around experiments, and a module on history and the scientific method comes before any of the findings. That order is the point: you see how a study is put together before you are told what it showed, which is the habit that protects you from overconfident headlines later. The modules then cover the mind and brain, sensation, perception and attention, learning, memory, the social mind and mental illness, with a final assignment to pull it together. Coursera puts it at about two weeks of ten-hour weeks, and it is rated 4.9 from more than 5,000 reviews.