Spaced repetition is the learning technique that powers Gizmo's Memorise mode. It's one of the most well-researched methods for building long-term memory, and much more effective than cramming.

The idea is simple: you remember things better when you're tested on them at the right time, just as you're about to forget them. Spaced repetition works by showing you each card at gradually increasing intervals based on how well you know it.

Over time, the cards you know well appear less and less, while the ones you're still learning get more attention. This means you spend your study time where it actually counts.

Your brain naturally forgets new information over time, a pattern researchers call the forgetting curve. Left alone, most of what you learn fades within days. Testing yourself just before you'd naturally forget something interrupts that fade and resets the clock, which is why timing matters more than how many times you review something.

Cramming puts a lot of information into your short-term memory right before a test. It might work for tomorrow, but most of it fades within days. Spaced repetition builds knowledge into your long-term memory, so what you learn actually sticks.

Get a card right, and Gizmo might not show it to you again for a few days. Get it wrong, and it could come back within the same session. Keep answering correctly over time, and the gaps between reviews stretch further and further, until a card you've mastered might only reappear every few weeks.

Every time you answer a question in Memorise mode, Gizmo tracks your result. It uses this to decide when to show you each card again. You don't need to configure anything. It works automatically in the background as you quiz.

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