By introducing time intervals between study sessions, you can remember more – even if you spend fewer actual hours studying (View Highlight)
You can think of learning as being kind of like building a brick wall; if you stack the bricks up too quickly without letting the mortar between each layer solidify, you’re not going to end up with a very good wall. Spacing our your learning allows that “mental mortar” time to dry (View Highlight)
By meticulously recording his results – how many times he studied each list, the time intervals between his study sessions, and how much he was able to remember – Ebbinghaus was able to chart the rate at which memories “decay” over time. He showed this rate of decay in a graph called the Forgetting Curve. (View Highlight)
Every card starts out in Box 1. When you get a card right, it graduates to the next box. If you get a card wrong, it goes all the way back to Box 1 – no matter where it was. In this way, you ensure that you’re studying the material that challenges you often. (View Highlight)