I blog on Brain-Based Learning, Metacognition, EdTech, and Social-Emotional Learning. I am the author of the Crush School Series of Books, which help students understand how their brains process information and learn. I also wrote The Power of Three: How to Simplify Your Life to Amplify Your Personal and Professional Success, but be warned that it's meant for adults who want to thrive and are comfortable with four letter words.

Chapter 17 is about spaced practice; why it works and how to do it right. Here's the opening:

Got a big science test coming up? Or maybe a 50-word vocab quiz, because apparently your English teacher is insane?

Perhaps you filled out a study guide, made flashcards, or are using your notes to study. That’s good! You want to do well and you’re doing it right.

Now, let’s


I’m not talking about daydreaming here, though I like it too.

In fact, I space out a lot. It drives my wife nuts.

What I am talking about is deciding how much time you want to devote to studying for the upcoming quiz or test and distributing it over several days (or weeks if you know that far in advance).

Let’s look at a possible scenario.