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The Science Behind Spaced Repetition

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LingeAI Team
LingeAI Team
Product Team

Spaced repetition is one of the most effective techniques for long-term memory retention. Learn how LingeAI uses this science-backed method to help you remember vocabulary forever.

What is Spaced Repetition?​

Spaced repetition is a learning technique that involves reviewing information at gradually increasing intervals. Instead of cramming all at once, you review material just before you're about to forget it.

The Forgetting Curve​

In 1885, Hermann Ebbinghaus discovered the "forgetting curve" - the rate at which we forget newly learned information. Without review, we forget:

  • 20% within 20 minutes
  • 50% within an hour
  • 70% within 24 hours
  • 90% within a week

How LingeAI Uses This​

LingeAI's vocabulary system implements the SM-2 algorithm, which:

  1. Tracks your performance on each word
  2. Calculates optimal review times based on your memory strength
  3. Adjusts intervals when you struggle or excel
  4. Prioritizes words that need the most attention

Tips for Maximum Retention​

  1. Review daily - Even 5 minutes helps maintain your vocabulary
  2. Be honest - Rate your recall accurately for better scheduling
  3. Use context - Connect new words to things you already know
  4. Stay consistent - Regular small sessions beat occasional long ones

Start building your vocabulary with LingeAI today and experience the power of spaced repetition!