How Do We Know When It's Good Time to Do Retrieval Practice?

retrieval storage strength difference. How do we know when it's a good time to do retrieval practice, verses a bad time? We can look at points where there's been a break in learning. Another point to think about is when the content was last revisited or taught. And ofteran inspect are asking students questions about previously taught material. If they were to ask a year sick student a question about something on the year for curriculum, the year sick student might just panic,. and the retrieval strength could be low.