LectureSift · Learning library
A practical plan for active recall and spaced review
Answer questions with your notes closed, keep an error log and build focused flashcards. Adapt a one-week review plan using a complete lesson example.
Try producing the answer first
A paragraph can look familiar when you reread it without being easy to explain when asked. In active recall, you produce an answer with your notes closed, then check it and correct errors. Before giving yourself a score, look for the connection you could not make.
If you have read the mean and median example, close it now. Write two sentences answering “How do I find the mean and median?” Then try explaining “Why does only one change when 70 becomes 120?” The first question checks a definition; the second asks you to apply it.
A short practice session
- Choose two questions. Let one test a core concept and the other a new application. Use questions whose answers you can check against a source.
- Close the notes. Say or write an answer. You may leave a gap; name what you do not know before immediately revealing the solution.
- Compare. Open the explanation. If you reached the correct result using another method, check whether that method is also valid.
- Describe the error. Write “I forgot to order the values before finding the median” rather than “I was wrong”. Pick the next question to address that mistake.
- Try again. Use different numbers instead of copying the same sentence. If you still cannot explain it unaided, revisit a short explanation.
An example week of review
These intervals are a starting suggestion, not a single schedule that research has established for everyone. Adjust them to your assessment date, the difficulty of the topic and what you can recall. Revisit a difficult card sooner and a confidently explained one later.
| When | What to do | What to record |
|---|---|---|
| First session | Read the source and answer two questions with notes closed. | The confused concept and its source location. |
| Next day | Try the missed question, then a new application. | Did you need a hint? |
| Around day three | Explain the topic as though teaching someone. | A condition you omitted or a step you could not explain. |
| A week later | Mix definition and application questions. | The remaining difficulties and next review date. |
Keep cards focused and questions clear
Too broad: “Explain statistics.” The expected detail is unclear and it is difficult to judge whether an answer is sufficient.
More useful: “Which two values determine the median of four ordered observations?” Answer: the arithmetic mean of the second and third values. Add a source location and one short example to the back.
Use application questions alongside single-concept cards. Recalling a formula's name is different from choosing when to use it. Before repeatedly learning an uncertain answer, check it against the source.
Keep an error log
Question: My answer: Correct explanation from the source: Why I made the mistake: What I will change next time: Review date:
Record “I recognised the answer when shown” separately from “I produced the answer myself”. That distinction helps you choose where to spend your next session. Download the example worksheet and keep your log in the same file.
Research and limits
A review of learning techniques evaluates practice testing and distributed practice as useful approaches. This does not establish one card count or review interval for every subject. The plan above is an example of applying these principles to a short lesson.
Dunlosky and colleagues (2013), Improving Students’ Learning With Effective Learning Techniques. For an original study of retrieval practice and later retention, see Roediger and Karpicke (2006), Test-enhanced learning.