Spaced repetition is the most scientifically validated memorization technique known to cognitive science. Here is exactly how it works and why SpellingKids uses it.
The Forgetting Curve
In 1885, psychologist Hermann Ebbinghaus discovered that memory decays in a predictable pattern. Without review, you forget roughly 70% of new information within 24 hours. This is called the forgetting curve.
How Spaced Repetition Fights Forgetting
The key insight is that reviewing information just before you forget it creates a stronger memory trace than reviewing it when it is still fresh. Spaced repetition schedules reviews at precisely these optimal intervals.
The Algorithm in SpellingKids
When you mark a word as Easy, the app schedules its next review further in the future (3 days, then 7, then 14, then 30...). When you mark it Hard, it comes back sooner. The schedule adapts to your personal memory profile.
Why It Beats Cramming
Cramming creates short-term memories that fade within days. Spaced repetition builds long-term memories that last months or years. For spelling bee students who need words locked in for competition day, this difference is critical.
Proven Results
Studies show spaced repetition learners retain 90% of material after 30 days compared to under 20% for traditional review methods. With 50,000+ words to master, the efficiency advantage of SRS is enormous.
Practice What You've Learned
Download SpellingKids free on Android and apply these strategies with 50,000+ competition words and a built-in spaced repetition algorithm.
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