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2026
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Source-derived question
How does the optimal gap between study sessions scale with the desired retention period?
Spaced Repetition
Sources that address it
Spacing Effects in Learning: A Temporal Ridgeline of Optimal Retention
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Related questions
How does the timing of practice change what we remember?
When does mixing different kinds of practice help us learn?
When should an intelligent tutor make learning harder?
Why do some things we learn stay with us?
How can a computational framework for modeling memory decay and retrieval probability be used to derive optimal spaced repetition schedules rather than relying on hand-tuned heuristics?
How did this data-driven approach to spaced repetition influence the design of later schedulers such as FSRS that have been adopted in tools like Anki?
How do deficient-processing theory and study-phase retrieval theory differ in explaining why spaced repetition outperforms massed repetition?
How does FSRS's approach to modeling memory differ from fixed-multiplier algorithms like SM-2?