Which of the following best describes spaced repetition?

The best description of spaced repetition is that it involves reviewing material at increasing intervals to strengthen memory. This technique capitalizes on the psychological spacing effect, which suggests that individuals remember information better when it is studied over spaced intervals rather than crammed in one sitting. By revisiting the material at strategic intervals, learners can enhance retention and consolidate information in long-term memory.

Regular intervals allow the brain to reinforce the memory trace and combat forgetting, leading to improved recall over time. This method is particularly effective for mastering challenging material or concepts because it provides the opportunity to revisit and reinforce knowledge just as it begins to fade from memory.

In contrast, the other options don't accurately capture the essence of spaced repetition. Reviewing material in large blocks tends to lead to cognitive overload and is less effective for long-term retention. Repeating content immediately after learning can reinforce short-term recall but does not take advantage of spaced intervals critical for long-term memory. Practicing one skill until fully mastered before moving on may neglect the benefits of spacing and doesn't involve the systematic revisiting of material required for spaced repetition.