If your pre-employment assessment is tomorrow, the priority is triage. You do not have time to study every possible topic. You do have time to remove uncertainty, fix a few high-impact weaknesses and avoid preventable test-day problems.

This page owns the last-24-hours intent. If you have a full week, use the separate 7-Day Test Preparation Plan.

First 30 minutes: identify the real test

Open the invitation and write down:

  • employer and job title;
  • provider and assessment name;
  • deadline and start time;
  • confirmed modules;
  • time limit;
  • calculator or materials rules;
  • remote or in-person delivery;
  • device, browser or identification requirements.

Do not spend your last day preparing for a test that only might appear.

Next 30–45 minutes: take a short diagnostic

Use a small sample of the confirmed question types. The diagnostic should be short enough to leave time for improvement.

Record:

  • accuracy;
  • questions that took too long;
  • instructions you misunderstood;
  • the two or three weakest skills.

Do not take multiple full tests before reviewing the first one.

Hours 2–4: fix the highest-value weaknesses

Choose only the weaknesses that are both:

  1. likely to appear; and
  2. realistically improvable today.

Examples:

  • percentages and ratios for a numerical test;
  • pattern rules for abstract reasoning;
  • evidence-based reading for verbal reasoning;
  • Excel formulas for a confirmed spreadsheet test;
  • typing accuracy for a typing assessment;
  • gears/levers/pulleys for a mechanical test;
  • response-format discipline for an SJT.

Use the dedicated owner for the exact test family rather than a broad random question bank.

Hours 4–6: practise short timed sets

Once the method is correct, add moderate time pressure.

Use short sets so you can review mistakes immediately. For each error, ask whether it came from:

  • method;
  • reading;
  • arithmetic;
  • careless clicking;
  • pace;
  • misunderstanding the instructions.

Use How to Improve Test Speed if pace is the main issue.

Do not cram personality answers

If your assessment includes personality or work-style questions, the last day should not be spent inventing an “ideal” persona.

Instead:

  • understand the response format;
  • read each item carefully;
  • answer consistently from your normal work behavior;
  • follow the provider’s instructions.

Do not chase leaked questions

Avoid websites or files claiming to contain live, leaked or guaranteed questions. They can be inaccurate, unethical and a poor use of limited preparation time.

Use official familiarization material where available and original practice for the relevant skill.

Six to eight hours before the test window

Stop adding new topics unless you discover a critical gap.

Use this period to:

  • review your error log;
  • repeat a small number of previously missed questions;
  • check formulas, methods or software steps you genuinely need;
  • confirm test logistics.

Technical and logistical setup

For remote testing:

  • charge the computer;
  • check the internet connection;
  • confirm the supported browser;
  • close unnecessary applications;
  • disable avoidable notifications;
  • prepare identification;
  • know how to contact support if access fails.

For in-person testing:

  • confirm the address;
  • plan travel time;
  • prepare required documents;
  • verify permitted materials;
  • know the required arrival time.

Final evening: stop heavy practice

The final evening is for consolidation, not another marathon.

A useful final review is:

  • one short set of familiar questions;
  • review of recurring mistakes;
  • test-day checklist;
  • then stop.

Fatigue can erase the benefit of extra low-quality practice.

Morning of the assessment

Do not start with a difficult full simulation.

Instead:

  1. confirm the login or travel plan;
  2. review one page of notes if needed;
  3. complete only a few familiar warm-up items;
  4. read the actual instructions carefully when the test begins.

24-hour priority by test family

Cognitive or aptitude

Prioritize confirmed reasoning families and pacing. Use How to Prepare for a Cognitive Test.

Civil service

Read the official notice first. Use How to Prepare for a Civil Service Exam.

Mechanical aptitude

Review core principles and diagrams, then a short mixed set. Use How to Prepare for a Mechanical Aptitude Test.

Police exam

Confirm department/provider and written-test sections. Use How to Prepare for a Police Exam.

SJT

Focus on the response format and role context. Use How to Prepare for a Situational Judgment Test.

Skills test

Practise the exact task: typing, data entry, Excel, Word, Office or another skill. Start from Skills Assessment Tests.

What success looks like after 24 hours

A realistic last-minute goal is not “master the whole assessment.” It is:

  • know exactly what test you are taking;
  • understand its instructions;
  • eliminate one or two recurring error types;
  • practise the highest-value confirmed skills;
  • have a workable pacing plan;
  • arrive with the technical and logistical setup ready.

If nerves are becoming the main problem, use How to Handle Test Anxiety rather than adding more random questions.