Test-taking strategy: how to perform better on any pre-interview assessment

By Marin Devereux·8 min read·Updated 2026-04-08

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The candidates who score highest on pre-interview assessments are rarely the smartest. They are the most prepared. This guide covers the universal strategies that improve performance across every assessment type: time management, error-pattern analysis, structured practice, and performing under real pressure.

Every assessment type — numerical, verbal, logical, video, game-based — rewards the same meta-skills. If you only have time to improve one thing, improve your process, not your knowledge.

1. Time management is a skill, not a personality trait

Most candidates lose marks not because they cannot answer questions, but because they spend too long on hard questions and never reach the easy ones at the end. The fix is simple:

Know your pace. Divide total time by number of questions. That is your target seconds-per-question. Write it down before you start.
Skip and return. If a question takes more than 1.5x your target pace, mark it and move on. Come back with remaining time.
Front-load easy marks. Scan the test quickly. If later questions are easier, do them first.

The 80/20 rule of test timing

80% of your marks come from questions you can answer confidently. Spend your time there first. The hard questions are where you gamble with remaining seconds, not where you invest your best minutes.

2. Error-pattern analysis

After every practice session, do not just check your score. Categorise every wrong answer:

Reading error: you misread the question, data, or units.
Method error: you used the wrong formula or approach.
Calculation error: right method, arithmetic slip.
Time panic: you rushed and guessed.
Trap error: you fell for a deliberate distractor.

After 50 questions, one or two categories will dominate. That is where your improvement lives — drill that specific weakness, not random questions.

Example

You scored 65% on a numerical reasoning mock. Of your 14 wrong answers, 8 were reading errors (wrong row, wrong unit), 3 were time panic, and 3 were method errors. What should you focus on?

Reading errors — they account for 57% of your mistakes and are the easiest to fix. Train yourself to underline the specific row and unit before calculating. This single habit can recover 5–8 marks.

3. Structured practice beats random practice

A four-week structure that consistently outperforms unstructured cramming:

Week 1 — Learn the formats. Do untimed practice to understand each question type. No pressure, just accuracy.
Week 2 — Drill by type. Batch questions by category (percentages, ratios, sequences, etc.). Time each batch.
Week 3 — Mixed timed sets. Simulate real test conditions. Review every wrong answer and log the error category.
Week 4 — Weakness targeting. Spend 70% of your time on your two weakest question types. Spend 30% on mixed sets to maintain overall fluency.

The most common preparation mistake

Practising what you are already good at because it feels productive. It is not. Your score improves where your weaknesses are, not where your strengths are.

4. Performing under pressure

Test anxiety is real and it measurably reduces performance. The most effective countermeasure is familiarity:

Practise in the same environment you will test in (quiet room, single screen).
Use the same browser and screen size as the real test.
Do at least three full-length mocks under strict timing before test day.
On test day, do a 5-minute warm-up set (easy questions) to activate your brain before the real thing starts.

5. The night-before checklist

Check your internet connection and browser.
Close all other tabs and notifications.
Have a calculator ready (if allowed).
Have scrap paper and a pen.
Know your target pace (seconds per question).
Sleep. Seriously. A rested brain outperforms a crammed brain every time.

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Frequently asked questions

How long should I prepare for a pre-interview assessment?+

Two to four weeks of structured practice is enough for most people. The key is consistency — 30 minutes daily beats 4 hours once a week.

Should I practise with or without a timer?+

Start untimed to build accuracy, then switch to full timed conditions. Never practise half-timed — it teaches your brain the wrong pace.

What if I keep making the same mistakes?+

That is actually good news — it means the mistake has a pattern. Log it, name the category, then drill that specific weakness until it becomes boring.

Does test anxiety affect scores?+

Yes, significantly. The most effective counter is familiarity — the more you have practised under realistic conditions, the less novel the test feels and the less anxiety disrupts performance.