Forgetting is the schedule.
Mix topics so selection stays hard.
Spaced schedule design (B10) and interleaved spaced retrieval (B25) are impact:6 with strong principle evidence. Desirable difficulties (Bjork) are the frame: harder practice that succeeds beats fluent re-reading.
1
Schedule from outcomes
Pass/fail/confidence/date → next due dates with reasons. You edit before accepting. (B10)
2
Interleave types
Mix problem types so you practise choosing the method, not only executing it. (B11)
3
Always include older
Cumulative sets that pull prior material forward. (B12)
4
Criterion across days
Retrieve to criterion in separated sessions. (B24)
Prompt · Spacing schedule
Help me design a spacing schedule. Here are items and my last outcomes (pass/fail/confidence/date): [ ]. Propose next due dates with intervals. Explain each adjustment in one line. I will edit before accepting.