I firmly believe in going straight to the source before sharing a story I’ve heard elsewhere. Here is another example of why. In a recent article in Behavioral Scientist, Adam Grant writes: In a clever study, economists wanted to find out whether students really learn more from experts. They collected data on every freshman at Northwestern University from 2001 to 2008. They investigated whether freshmen did better in their second course in a subject if their introductory class was taught by...