You remember a biology term on Monday and hesitate over it on Friday. A spaced repetition schedule gives you another chance to retrieve it before the unit is over. You don't need to predict the exact minute your memory will fail.
This FAQ focuses on fitting review into an ordinary US school or college week. Examples are starting points, not a promise that one schedule works for everyone.
What counts as spaced repetition?
You return to previously learned material in separate sessions. That could mean answering a question tomorrow, again later in the week and once more before the exam. Doing the same card repeatedly in one sitting is repetition, but it doesn't provide those separate opportunities over time.
Combine spacing with an attempt to recall: hide the answer, respond, then check. If the material never made sense in the first place, seek an explanation before treating it as a memory problem.
What schedule should a beginner try?
Choose a small piece of current classwork. After learning it on Monday, try a short recall session Tuesday, Thursday and the following Monday. Change the timing if a question remains difficult or if your test is sooner.
For a US history unit, one session could cover the relationship between an event and its consequences, rather than a list of isolated dates. For Spanish class, recall a word and use it in a sentence. The calendar determines when you return; the task determines what you practice.
Does every review need a longer interval?
No. Increasing gaps is one way to organize practice, not a universal requirement. Your exam date, the material and your success at recalling it matter. If an answer remains unclear, checking the explanation is more useful than mechanically pushing its next review farther away.
A review log can be simple: topic, last attempt, next return. Avoid spending more time maintaining the system than using it.
Do I need flashcards?
Flashcards suit small questions, such as a definition or a distinction. Other material needs a different form. Sketch a science model with labels, solve a new algebra problem or outline an argument from memory.
Keep the full skill in view. Knowing what a thesis statement is does not mean you can write an effective essay. A vocabulary quiz does not replace a speaking activity in language class.
What makes a useful card?
Ask something you can evaluate. "Explain everything about cells" is too large. "How does a plant cell use chloroplasts?" gives you a clearer target. Check the answer against your course before trusting a card you found online or generated with AI.
When you miss a question, distinguish forgotten information from misunderstood wording. Rewrite an ambiguous card. More repetitions of a bad question don't improve it.
What should I do after missing several days?
Start with a manageable group of important topics. Do not treat every overdue card as an obligation that must be cleared tonight. If the backlog keeps growing, reduce new additions and reassess how much detail you need.
School continues while you review old material. Protect time for new instruction, homework and rest. A useful system should fit your week, not take it over.
Is there a guaranteed improvement in grades?
No. Research on distributed practice supports spacing as a learning technique, but a study effect is not a promised increase on a particular report card. Test format, understanding and practice all matter.
Check progress on an independent task after a delay. Can you explain the concept without a cue or solve a related problem? That tells you more than remembering where the correct option appeared.
How do Anki and Wizidoo differ here?
Anki offers scheduled card review; consult its official manual for the available scheduling settings. Wizidoo prepares questions from your uploaded photos or PDF and lets you revisit mistakes, but it does not calculate a spaced repetition calendar.
You can use Wizidoo on separate days as part of a schedule you choose. Its course percentage reflects answers in the app, not complete mastery of your school's curriculum. Start in the English web app if you study in English; the iPhone app also supports English.
Can I use spacing two weeks before a test?
Yes, there is room for several separate attempts. Pick relevant material and revisit it across the available days, leaving time for actual exam-style work. Don't rely on a fixed "20% of the content" rule unless the instructor has clearly identified the scope.
For a worked example, see our two-week study plan. The aim is a routine you can carry out and adjust, not a perfect algorithm on paper.
How can I tell if my spaced study routine is actually working?
Test yourself on a fresh application task, such as explaining the concept without prompts or solving a new problem after a delay. An independent recall test shows retention far more accurately than recognizing familiar multiple-choice cues.
