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Learning facts & stats

7 fact-checked facts about the science of learning, memory and study habits, each with the reason behind it. 5 more are in today's round and join this page after it closes.

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The basics

What is spaced repetition?

AnswerReviewing material at growing intervals

Spacing reviews out over time strengthens long-term memory.

Which of these helps the brain lock in new memories?

AnswerSleep

Memory consolidation happens during sleep.

Going deeper

Who first charted the "forgetting curve"?

AnswerHermann Ebbinghaus

Ebbinghaus published his memory experiments in 1885.

The Leitner system is a method for studying with what?

AnswerFlashcards in boxes

Cards move to less-reviewed boxes as you answer them correctly.

What is interleaving in study?

AnswerMixing different topics or problem types

Mixing problem types helps learners choose the right method.

Expert level

What did Ebbinghaus memorize in his memory experiments?

AnswerNonsense syllables

He used meaningless syllables so prior knowledge wouldn't skew results.

Why is it called the Pomodoro Technique?

AnswerIt's named after a tomato-shaped timer

Pomodoro is Italian for tomato, after Cirillo's kitchen timer.

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