I knew early in my career that fun was the key. I could feel it in my gut, but I could also see it training rooms and call centers. When I ran the reports it clearly showed that the teams that had fun while learning performed better. Period.
Now I know that there is science and research to back up why learning and fun belong together. Here are a few compelling bits of research in a handy to reference (and easy to share) infographic.
Sources cited in infographic: