Editing Spaced Repetition (section)

== <span style="color: #FFFFFF;">Understanding</span> ==
Spaced repetition is understood through '''Decay''' and '''The Rebound'''.

'''1. The Forgetting Curve (The Enemy)''':
Memory is like "Wet Sand."
* If you write a word in the sand and leave it, the "Waves" of time wash it away in minutes.
* But if you "Rewrite" the word every time it starts to fade, eventually the sand "Hardens into stone."
* Most students study in a "Straight line" (Cramming), so they lose 90% of what they learn. Spaced repetition turns the "Straight line" into a "Circle" that keeps coming back until it sticks.

'''2. The "Desirable Difficulty" (The Hack)''':
The "Secret" is in the timing.
* If you review something "Too early" (while it's still fresh), your brain is "Lazy" and doesn't strengthen the connection.
* If you review it "Too late," you have forgotten it and have to "Re-learn" it from scratch.
* Spaced repetition aims for the "Sweet Spot"—when the information is "On the tip of your tongue." This "Struggle" tells the brain: "This is important! Build a stronger bridge!"

'''3. Exponential Growth''':
Memory strength grows "Exponentially," not "Linearly."
* After 5-6 successful spaced reviews, an interval can jump from "1 Year" to "5 Years."
* This means you can maintain a "Library of 10,000 facts" by only studying for 20 minutes a day.

'''The 'Leitner' Box Method'''': Box 1 (Every day), Box 2 (Every 3 days), Box 3 (Every week). If you get a card right, it moves up. If you get it wrong, it goes **all the way back to Box 1**. This "Penalty" ensures that the hardest things stay in the "High-frequency" loop until they become easy.
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