How you study matters as much as how long you study. Learn how memory works, how to plan and revise actively, and how to use your time and knowledge well in the exam room.
Many students believe that success in exams depends mainly on intelligence or on the number of hours spent studying. Research on learning points to a different answer: how you study matters at least as much as how long you study. Two students can spend the same three hours with the same book, and one can remember far more, simply because of the methods used. The good news is that study skills can be learned by anyone. This guide explains how memory works, how to plan your time, how to take notes and revise effectively, and how to use your time and knowledge well in the exam room.
Learn actively, not passively: test yourself, explain ideas in your own words and review at spaced intervals. Plan your time with a realistic timetable and clear goals. Practise with past papers under timed conditions. In the exam, read the instructions, divide your time by the marks, and check your work. Look after your sleep, food and stress, because your brain needs them.
To study well, it helps to understand what your brain does when you learn. Memory involves three basic steps. Encoding is taking in new information and connecting it to what you already know. Storage is keeping that information over time. Retrieval is bringing it back when you need it, for example in an exam. A weakness at any one step causes forgetting, so good study methods help with all three.
In the 1880s, a German psychologist, Hermann Ebbinghaus, studied how quickly people forget newly learned material. His work showed what many students experience: without review, much of what we learn is forgotten surprisingly fast, and each review makes the memory last longer. This idea is called the forgetting curve, and it is the reason why spreading your study over several days works better than doing everything in one night.
Passive study means taking in information without working with it, for example rereading or highlighting. Active study means doing something with the information, such as answering questions or explaining it. Research in learning science has consistently found that active methods produce stronger, longer-lasting memory.
| Passive (weaker on its own) | Active (stronger) |
|---|---|
| Rereading the textbook | Closing the book and writing what you remember |
| Highlighting every sentence | Turning headings into questions and answering them |
| Copying notes word for word | Summarising in your own words |
| Watching a video without pausing | Pausing to predict and explain what comes next |
Studying without a plan often leads to delay and worry. A clear goal turns a large, unclear task ("study biology") into a small, achievable one ("learn and test the stages of digestion for 30 minutes"). A helpful method is to set SMART goals. SMART is a memory aid for five qualities of a good goal:
| Letter | Quality | Example |
|---|---|---|
| S | Specific | Complete exercises 1 to 10 in the chapter on fractions |
| M | Measurable | Score at least 8 out of 10 on a self-test |
| A | Achievable | Two 30-minute sessions on a school day |
| R | Relevant | Topics that appear in the coming exam |
| T | Time-bound | Finish by Friday evening |
Write your goals down. Writing makes them concrete, and ticking them off gives you a feeling of progress that helps you to continue.
Time management is not about filling every minute. It is about deciding what is most important and giving it focused attention. Follow these steps to build a realistic weekly timetable:
Many students find it helpful to study in short, focused periods with a break between them. A well-known version, called the Pomodoro technique, uses about 25 minutes of work followed by a break of about 5 minutes, with a longer break after several rounds. The exact times are less important than the principle: concentrate fully for a short period, then rest. Adjust the lengths to suit you.
Multitasking, such as studying while checking messages, reduces the quality of learning, because your attention switches back and forth and each switch costs time and focus. Put your phone in another room, or use a "do not disturb" setting, during study blocks.
Good notes are not a copy of everything that was said. They are a short, organised record that helps you to remember and review. Three common methods are shown below.
| Method | How it works | Best for |
|---|---|---|
| Cornell method | Divide the page into a main notes area, a narrow cue column and a summary box at the bottom | Lectures and textbook chapters |
| Outline method | Use headings and indented sub-points | Organised, structured topics |
| Mind map | Place the main idea in the centre and branch out with related ideas | Seeing connections between ideas |
Whichever method you choose, follow these habits. Listen for the main ideas and write them in your own words. Use abbreviations and symbols that you will understand later. Leave space on the page. Review your notes within 24 hours, fill in gaps while the lesson is still fresh, and write a short summary in your own words.
Cue column: "What is photosynthesis? What are the inputs and outputs?" Notes area: "Process in which plants use light to make glucose from carbon dioxide and water; oxygen is released." Summary box: "Photosynthesis turns light energy into chemical energy in the form of glucose." Later, you cover the notes area and use the cues to test yourself.
Reading a textbook from beginning to end without a plan can be slow and forgettable. SQ3R is a method that turns reading into active study. The letters stand for five steps:
| Step | What you do |
|---|---|
| Survey | Skim the headings, diagrams and summary to see the shape of the chapter |
| Question | Turn each heading into a question that you want to answer |
| Read | Read one section at a time, looking for the answer to your question |
| Recite | Close the book and answer the question aloud or in writing |
| Review | At the end, go back over the whole chapter and test yourself again |
The "Recite" step is the most valuable. If you cannot answer from memory, you have found exactly what to study again.
Retrieval practice means bringing information out of memory, instead of only putting it in. Examples include flashcards, closed-book summaries, practice questions and explaining a topic to someone without looking at your notes. Each effort to remember strengthens the memory, even when you make mistakes. Check the correct answer afterwards, and learn from the errors.
Spaced repetition means reviewing material several times, with gaps that gradually get longer. Instead of studying a topic for three hours on one day, study it for 40 minutes on three or four different days. A simple paper version is the Leitner box: keep flashcards in boxes, review cards in the first box every day, and move a card to the next box (reviewed less often) each time you answer it correctly. When you answer wrongly, the card goes back to the first box.
Interleaving means mixing different topics or types of problems in one session, instead of practising only one kind at a time. For example, mix addition, fractions and percentages in the same practice set. It feels harder, but it helps you to choose the right method, which is exactly what exams demand.
To check whether you truly understand something, try to explain it in simple words, without notes, as if teaching a younger student. Where you struggle or use vague words, you have found a gap. Go back, fix it and try again. This method is sometimes named after a famous physicist, Richard Feynman.
The mind holds a small amount of information at one time, so it helps to group items into meaningful chunks. A telephone number, for example, is easier to remember in groups. Memory aids, called mnemonics, can help with lists and order:
| Type | How it works | Example |
|---|---|---|
| Acronym | Make a word from first letters | HOMES for the five Great Lakes: Huron, Ontario, Michigan, Erie, Superior |
| Acrostic | Make a sentence from first letters | "My Very Easy Method Just Speeds Up Naming" for the order of the planets |
| Method of loci | Place items in imagined locations along a familiar route | Picture each item in a room of your home |
| Story or image | Link items in a vivid, unusual story | Imagine a giant red apple writing a letter |
Use mnemonics for facts that you cannot reason out. For ideas that you can understand, work on understanding first, because understanding is more durable than memorised words.
| Subject type | Effective approach |
|---|---|
| Mathematics | Study worked examples, then solve many problems yourself; keep an error notebook |
| Sciences | Draw diagrams and concept maps; learn key terms with flashcards; practise calculation questions |
| Languages | Short, daily practice of vocabulary, listening and speaking; use new words in your own sentences |
| History and social studies | Build timelines; link causes and effects; practise writing short, evidence-based answers |
| Essay subjects | Make essay plans for past questions, and practise writing introductions and conclusions |
Revision means reviewing and practising what you have already learned, so that you can recall it in the exam. Start early and work backwards from the exam date.
| Week | Focus |
|---|---|
| Week 1 | List topics, rate them, make flashcards for key facts |
| Week 2 | Work through red topics with active methods |
| Week 3 | Work through amber topics; do the first timed past paper |
| Week 4 | Do more past papers, fix mistakes, light review of all topics |
Past papers are especially useful because they show you the style of the questions, the vocabulary and the time pressure. Do some under real exam conditions: a quiet place, a timer and no notes. Afterwards, compare your answers with the mark scheme, and write down each mistake in an error log with the reason (a memory problem, a misunderstanding, a careless slip or a time problem). Patterns in your error log tell you exactly what to practise. You can also test yourself with the quizzes in the EDUSAMBAM Assessment Arena.
Learning happens in a living brain, and it works best when you look after your body. Health services generally give the same basic advice to students:
If worry or stress feels too heavy, or lasts for a long time, speak to a trusted adult, a teacher or a doctor. Asking for help is a sign of good judgement.
Exam technique is the skill of showing what you know within the time and rules of the exam. It can improve your marks even when your knowledge stays the same.
Start by reading all of the instructions carefully. Note how many questions you must answer, whether there are choices, and how many marks each question carries. Then divide your time by the marks. If an exam has 100 marks and lasts 120 minutes, you have about 1.2 minutes per mark. A question worth 5 marks therefore deserves about 6 minutes, and a question worth 20 marks about 24 minutes. Spending 20 minutes on a 2-mark question is a common and costly mistake.
A command word is the word in a question that tells you what to do. Many students lose marks by writing a good answer to the wrong command word.
| Command word | What it asks you to do |
|---|---|
| State / Name / List | Give a short answer; no explanation needed |
| Define | Give the exact meaning of a term |
| Describe | Say what something is like, or what happens, in detail |
| Explain | Give reasons: say why or how something happens |
| Compare | Show similarities and differences |
| Calculate | Work out an answer using numbers, and show your working |
| Analyse | Break something into parts and examine how they relate |
| Evaluate / Discuss | Weigh strengths and weaknesses and reach a reasoned judgement |
| Justify | Give reasons and evidence to support a decision or answer |
Do not stay frozen on one hard question. Mark it, move on, and return at the end. Write something, even if you are unsure, because a partly correct answer can earn marks while a blank earns none. In the final minutes, check names, numbers, units and that you have answered every question.
Some nervousness before an exam is normal and can even help you to focus. When it becomes too strong, these steps can help:
If anxiety is severe, or if it affects your sleep, eating or daily life, speak to a teacher, a school counsellor or a doctor. Support is available, and you do not have to manage alone.
When the exam is over, rest, and avoid long discussions about every answer, because you cannot change them now. When your results or marked papers come back, treat them as information. Read the feedback, update your error log and decide what to improve next time. Every exam teaches you something about your methods.
Studying with others can help when it is organised. A good group has a small number of members, a clear topic for each meeting and a rule that everyone prepares first. Take turns to explain topics and ask each other questions. Teaching a concept to a classmate is itself a strong form of active learning. A group fails when it becomes a social visit, so keep to the plan.
Digital tools can also help. Use flashcard apps with spaced repetition, a calendar or reminder app for deadlines, and a timer for focused blocks. Free educational websites offer explanations and practice questions. Choose a few tools and use them consistently, instead of searching for the perfect app, and remember that the tool is only useful when you use it to study actively.
| Mistake | Fix |
|---|---|
| Cramming the night before | Spread your study over days, with spaced review |
| Only rereading and highlighting | Add self-testing, flashcards and summaries from memory |
| Studying only favourite topics | Rate your topics and give more time to the weak ones |
| Studying with a phone nearby | Put it in another room during focused blocks |
| Avoiding past papers | Do them early, under timed conditions, and mark them |
| Ignoring sleep and meals | Protect regular sleep and eat properly |
| Spending too long on one exam question | Divide time by marks and move on |
| Not reading the command word | Underline it and answer exactly what it asks |
| Term | Meaning |
|---|---|
| Active learning | Studying by doing something with the information, such as testing yourself or explaining it |
| Retrieval practice | Bringing information out of memory to strengthen it |
| Spaced repetition | Reviewing material with gaps that get longer over time |
| Interleaving | Mixing different topics or problem types in one study session |
| Mnemonic | A memory aid, such as an acronym or a story |
| SQ3R | Survey, Question, Read, Recite, Review: a method for active reading |
| SMART goal | A goal that is specific, measurable, achievable, relevant and time-bound |
| Command word | The word in an exam question that tells you what to do |
| Syllabus | The official list of topics that an exam covers |
| Error log | A record of your mistakes and their causes |
Good study is not about suffering for long hours. It is about using methods that fit how your memory works: setting clear goals, learning actively, testing yourself, spacing your review, practising under exam conditions and looking after your health. These habits take a few weeks to build, but they reward you for years, in school, in university and at work. Begin with just one change this week, such as closing the book and writing what you remember, and add another change each week. For more practice, try the quizzes in the Assessment Arena, and read our article on reasoning and aptitude tests, which uses many of the same skills.
14 questions. Select an answer for each, then submit to see your score instantly.