How Self-Testing Improves Exam Performance

Self-testing is one of the most effective ways to prepare for exams. It means testing yourself before the real test, usually by answering practice questions, using flashcards, completing quizzes, or writing answers from memory.

Many students think tests only measure learning. However, research shows that testing can also improve learning. This is known as the testing effect.

According to Roediger and Karpicke, taking memory tests improves long-term retention. Their research showed that students who practised retrieval remembered more later than students who only re-studied material.
Source: https://pubmed.ncbi.nlm.nih.gov/16507066/

This is why self-testing should be a core part of exam revision. It helps students remember information, identify gaps, practise exam-style thinking, and build confidence.

What Is Self-Testing?

Self-testing means checking your own understanding by attempting questions without looking at the answer first.

Examples include:

• Answering practice questions
• Using flashcards
• Taking mock quizzes
• Completing past-year papers
• Writing summaries from memory
• Explaining a concept without notes
• Attempting Kahoot or Wooclap questions again after class

Self-testing is not about scoring perfectly. It is about training your brain to retrieve and apply information.

Why Self-Testing Works

Self-testing improves exam performance because it forces active retrieval. When you try to answer a question, your brain searches for the information, strengthens the memory pathway, and reveals whether you truly understand the topic.

This is different from re-reading notes. Re-reading can make information feel familiar, but familiarity is not the same as exam readiness.

For example, you may read the definition of “opportunity cost” several times and feel that you know it. But if you close your notes and cannot explain it clearly, you have not fully learned it yet.

Self-testing removes that illusion. It gives you honest feedback.

Self-Testing Helps You Find Weak Areas

One of the biggest benefits of self-testing is that it shows you exactly what you do not know.

When students revise by reading notes, they may spend too much time on topics they already understand. Self-testing helps you focus on weak areas.

For example, after attempting a Quizzy question set, you may realise:

• You understand definitions well
• You struggle with application questions
• You confuse similar concepts
• You forget examples
• You need more practice with calculations

This allows you to revise strategically.

Instead of saying, “I need to study everything again,” you can say, “I need to review these three weak areas.”

Self-Testing Builds Exam Confidence

Exams are stressful partly because students do not know whether they can perform under pressure. Self-testing helps reduce that uncertainty.

When you practise answering questions before the exam, the format becomes more familiar. You get used to retrieving information, managing uncertainty, and checking your understanding.

This is especially helpful for students who panic when they see unfamiliar questions. Regular self-testing trains you to think through a question instead of freezing.

A simple method is to create timed self-testing sessions:

• 10 minutes for quick recall
• 30 minutes for topic-based practice
• 60 minutes for mock exam practice

Start untimed when learning, then add time pressure closer to the exam.

Self-Testing Improves Long-Term Retention

Self-testing is especially powerful because it supports long-term memory.

Dunlosky et al. reviewed different learning techniques and found that practice testing is a high-utility method. This means it has strong evidence and can help many types of learners across different situations.
Source: https://pubmed.ncbi.nlm.nih.gov/26173288/

This matters because students often forget material after a few days. Self-testing helps slow that forgetting by forcing the brain to retrieve and reinforce information.

A useful strategy is to self-test more than once:

• Test immediately after learning
• Test again after two days
• Test again one week later
• Test again before the exam

This combines self-testing with spaced repetition.

How Quizzy Helps With Self-Testing

Many students already have useful practice materials but cannot use them effectively.

For example, lecturers or professors may share:

• Kahoot quiz PDFs
• Wooclap activity PDFs
• Lecture question sheets
• Tutorial questions
• Revision questions with answers

The problem is that these materials often include the answers directly below the questions. This makes it difficult to self-test honestly.

Quizzy helps by extracting only the questions from question-and-answer PDFs. This allows students to attempt the questions first and check the answers later.

A simple Quizzy workflow:

1. Upload a class quiz PDF
2. Generate a question-only revision set
3. Attempt the questions without notes
4. Mark your answers using the original PDF
5. Review mistakes
6. Re-test after a few days

This creates a proper self-testing system from materials students already have.

How to Self-Test Effectively

To get the most out of self-testing, follow these steps.

Step 1: Remove the Answer

Do not look at the answer before trying. If the answer is visible, cover it or use Quizzy to create a question-only version.

Step 2: Answer From Memory

Write or say the answer in your own words. Avoid simply thinking, “I know this.” Actually produce the answer.

Step 3: Check Carefully

Compare your answer with the correct explanation. Look for missing points, unclear wording, and misunderstandings.

Step 4: Record Mistakes

Keep track of questions you got wrong. These questions should become your priority for later review.

Step 5: Re-Test Later

Do not stop after one attempt. Re-test weak questions after a delay.

Example of Self-Testing in Action

Imagine you are studying cybersecurity.

Question: What is the difference between authentication and authorization?

Poor revision method:
Read the definition three times.

Better self-testing method:
Close your notes and answer:

“Authentication verifies who the user is. Authorization determines what the user is allowed to access.”

Then check your notes and add examples:

“Logging in with a password is authentication. Being allowed to access an admin dashboard is authorization.”

This process creates deeper understanding than simply reading the answer.

Common Self-Testing Mistakes

Mistake 1: Looking at answers too early
You need to attempt first.

Mistake 2: Only testing easy topics
Difficult questions produce valuable learning.

Mistake 3: Not reviewing mistakes
Self-testing only works well if you learn from errors.

Mistake 4: Testing once only
Repeated self-testing over time is more powerful.

Mistake 5: Treating low scores as failure
Low scores during practice are feedback, not failure.

Final Thoughts

Self-testing improves exam performance because it trains the exact skill exams require: retrieving and applying information without help.

It also helps students identify weak areas, improve long-term retention, and build confidence.

Quizzy supports self-testing by helping students turn Kahoot, Wooclap, and lecture PDF question sets into clean question-only revision materials. This allows students to practise properly instead of passively reading answers.

If you want to perform better in exams, do not just ask, “Have I studied this?”

Ask, “Can I test myself on this and explain it clearly?”

Sources:
Roediger & Karpicke: Test-Enhanced Learning
https://pubmed.ncbi.nlm.nih.gov/16507066/

Dunlosky et al.: Improving Students’ Learning With Effective Learning Techniques
https://pubmed.ncbi.nlm.nih.gov/26173288/

Google Search Central: Helpful, Reliable, People-First Content
https://developers.google.com/search/docs/fundamentals/creating-helpful-content