Study Guides

How to score higher on your next exam

Evidence-based strategies used by students who consistently outperform their peers — and how to apply them with ExamWiz.

15 min read

How to Interpret Your Exam Readiness Score

Your Exam Readiness Score is a single number — between 0 and 100 — that estimates how prepared you are for your upcoming exam based on your quiz performance history. It is not a guess. It is calculated from three components: your topic-by-topic accuracy, the difficulty weighting of the questions you have answered, and how recent your practice sessions are.

A score above 80 means you are likely to pass comfortably. A score between 60 and 79 means you have solid foundations but specific gaps that — if closed — could push your grade from a B to an A. A score below 60 means there are major topics you have not yet tested yourself on, and you should prioritise those immediately.

The grade prediction that sits alongside the score (A, B+, B, C+, C, D, F) is derived from your weighted accuracy across all practice questions. If your accuracy on pharmacology questions is 90% but only 45% on pathology, the system weights both equally to give you an overall picture. This prevents you from feeling falsely confident because you happen to practise only your strong topics.

To improve your score quickly, focus exclusively on your weakest topics. The system identifies topics below 60% accuracy as high-priority. Spending one hour on a weak topic typically moves your accuracy on that topic by about 3 percentage points. The heuristic shown in your dashboard ("~3h to reach B+") is based on this rate.

One important caveat: the score only reflects what you have actually practised. If you have not yet attempted any questions in a course, the system cannot predict your grade for that course. The accuracy of the prediction improves the more questions you answer.


26 min read

Spaced Repetition: The Science of Remembering What You Study

Spaced repetition is a memory technique based on a simple insight: you remember things better when you review them at intervals that gradually increase over time. The first review should happen within 24 hours of learning. The second review a few days later. Then a week later. Then two weeks. Each successful recall pushes the next review further into the future.

The alternative — reading your notes the night before an exam — is called massed practice or cramming. Research consistently shows that cramming produces short-term retention (enough to survive a 9 AM exam) but almost zero long-term retention. Spaced repetition, by contrast, encodes information into long-term memory. This matters for professional exams, licensing tests, and cumulative courses where earlier material feeds into later material.

The SM-2 algorithm, first developed by Piotr Wozniak in 1987 and used in apps like Anki, calculates the optimal interval for each flashcard based on how you rated your recall. If you rated a card "easy," the next review is pushed far into the future. If you rated it "hard," the card reappears the next day. ExamWiz's flashcard system uses this same algorithm — you do not need to think about scheduling. The system handles it.

For best results with spaced repetition: (1) Keep flashcards atomic — one fact per card, not a paragraph. (2) Use images or diagrams on the front of the card when possible — visual memory is stronger than text memory. (3) Review your due cards every day, even if only for 10 minutes. Missing a day does not break the system, but it adds cards to your backlog. (4) Add new cards gradually — adding 50 cards a day will quickly create an unmanageable review backlog.

For medical students specifically, spaced repetition is most effective for: drug mechanisms and side effects, anatomical structures and their functions, laboratory reference values, and diagnostic criteria. For these categories, the volume of individual facts is too high for any other study method to be practical.


34 min read

Why Past Questions Are the Highest-ROI Study Activity

Every course has a finite set of topics that a lecturer tests, and most lecturers test the same concepts year after year — sometimes reusing the exact same question, often with minor rewording. Past exam questions are therefore the closest approximation to your actual exam that exists. Studying them is not cheating; it is intelligent use of available evidence.

The cognitive science term for this is retrieval practice. Testing yourself on past questions does more than reveal gaps in your knowledge — the act of trying to retrieve an answer strengthens the memory trace for that information, even if you get the question wrong. Reading your notes passively does not produce this effect. A student who reads their pharmacology notes three times will typically retain less than a student who reads them once and then attempts 50 past questions.

How to use past questions effectively: Upload previous years' papers to ExamWiz and let the AI generate a quiz from them. The system will identify which topics appear most frequently and which question formats your examiner prefers. Practise these questions under timed conditions — not open-book — to simulate the actual exam environment.

After each attempt, review every question you got wrong. Do not just note that you were wrong; identify WHY you were wrong. Was it a knowledge gap (you never learned this topic)? A recall failure (you knew it but couldn't retrieve it under pressure)? Or a reading error (you understood the material but misread the question)? Each error type has a different fix.

For knowledge gaps: add the concept to your flashcard deck and practise it over several days. For recall failures: spaced repetition. For reading errors: slow down and re-read the question stem. Medical and law students who practise at least 20 past questions per topic consistently outperform those who focus only on reading and note-taking.


45 min read

How to Run a Gap Analysis Before Your Exam

A gap analysis is a structured review of what you know versus what you need to know before your exam. Done properly — ideally two weeks before the exam date — it turns vague anxiety into a specific action list. Without it, most students default to studying what they already know (because it feels productive) and avoid what they do not know (because it is uncomfortable).

Step 1: List every topic in the course syllabus. If you do not have the syllabus, use past questions to reverse-engineer the topic list — every topic that has appeared in past exams is fair game.

Step 2: For each topic, rate your confidence: Green (I can answer questions on this without notes), Yellow (I know the basics but would struggle with application questions), Red (I have not studied this or cannot recall the fundamentals).

Step 3: Ignore the green topics entirely. They are a sunk cost. Focus your remaining study time on yellow and red topics, starting with red. This is counterintuitive — it feels natural to polish your strengths — but the marginal return on studying a topic you already know well is very low.

Step 4: For each red and yellow topic, generate 10–20 practice questions using ExamWiz. Attempt them. Your accuracy on these questions gives you an objective view of your actual preparedness, not your perceived preparedness. Students consistently overestimate how well they know topics they have read but never tested.

Step 5: Repeat the process 48 hours before the exam. By then, most red topics should have moved to yellow, and most yellow topics to green. Any topic still red at this point needs targeted flashcard review — you are not going to learn it deeply in 48 hours, but you can memorise key facts that might appear on the exam.


55 min read

How to Prepare for Oral and Viva Voce Examinations

Oral examinations — also called viva voce examinations — test a different skill set from written exams. You are not just required to know the material; you must retrieve it under pressure, articulate it clearly, and respond to follow-up questions from an examiner who is actively trying to find the limits of your knowledge. Many students who perform well in written exams struggle in vivas because they have never practised speaking their answers aloud.

The fundamental preparation technique for oral exams is called the Feynman Technique: explain the topic as if you are teaching it to someone who knows nothing about it. Use simple language. Do not read from notes. If you cannot explain a concept in plain terms, you do not yet understand it well enough to answer follow-up questions from an examiner.

Common mistake: students preparing for vivas read and re-read their notes silently. This builds familiarity with the material but not the ability to retrieve and articulate it on demand. To prepare for an oral exam, you must practise out loud — either with a study partner or using AI-powered oral practice tools.

ExamWiz's AI Oral Examiner simulates a viva session. You upload your study material — lecture slides, notes, or a textbook chapter — and the AI acts as an examiner. It asks an opening question, listens to your spoken answer, asks follow-up questions based on what you said, and grades your response on accuracy, completeness, and clarity. The follow-up questions are especially valuable: viva examiners probe the boundaries of your knowledge, and only practise with follow-up questions will prepare you for that.

For medical vivas (OSCE clinical reasoning, final MB examinations): practise presenting cases from the history, to examination findings, to differential diagnosis, to investigations, to management. The structure matters as much as the content — examiners assess whether you think in a clinically organised way. For law moots: practise articulating your legal argument, anticipating counterarguments, and citing authority. For engineering presentations: practise explaining your design decisions and the assumptions behind them.

Start oral exam preparation at least one week before the exam. The first session will feel uncomfortable — that discomfort is information about your actual readiness, not a sign that you are unprepared. Each subsequent session will feel easier as you internalise the material well enough to retrieve it under pressure.

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