An analogy works by realizing that two ideas, or two parts of those ideas, are the same thing. Learning about derivatives in calculus, you may get the sneaking feeling that it reminds you of an odometer and speedometer on a car. That’s not a coincidence, the speedometer actually is the (absolute) first derivative of the […]

When I give learning advice, as a rule, I suggest active recall. That’s the process of giving the answer to the question without looking at the solution. The best way to understand active recall is to look at more passive review strategies. Rereading notes, for example, is not active recall because you never need to […]