Repetition, particularly when distributed over time (spaced repetition), significantly improves the rate and long-term retention of learning across diverse subjects and age groups.
The retrieved literature robustly supports the claim that repetition—especially spaced or distributed repetition—improves learning rates and memory retention. Multiple studies across cognitive psychology, education, and neuroscience confirm the mnemonic benefits of distributed practice and active retrieval. There are no refuting studies in the provided set.