Korn Ferry's hiring assessments pair adaptive ability tests, which grew out of Talent Q, with personality and competency questionnaires such as KF4D. Each ability question has its own time limit, and the questions get harder as you answer correctly. This page covers what the Korn Ferry assessment is, its format and timings, how it is scored, the rules to know before you start, how to prepare and a practice plan.
What the Korn Ferry assessment is
Talent Q was bought by Hay Group in 2014, which became part of Korn Ferry in 2015, so your invitation may mention Talent Q, Elements, Aspects or KF Assess. KF4D, Korn Ferry Four Dimensional, measures competencies, experiences, traits and drivers and is used mainly for leadership roles.
Format and timings
| Part | What it involves | Time and questions |
|---|---|---|
| Verbal reasoning (Elements) | Statements about texts | About 16 minutes; adaptive |
| Numerical reasoning (Elements) | Data in tables and charts | About 16 minutes; adaptive |
| Logical reasoning (Elements) | Patterns and rules | About 15 minutes at most; adaptive |
| Aspects tests | Shorter versions for high-volume screening | Shorter |
| KF4D or personality questionnaire | Competencies, traits and drivers | Varies |
Total: varies by employer; individual parts take about 6 to 30 minutes.
How it is scored
- Ability scores are reported as percentiles against a comparison group; the employer sets any cut-off.
- The tests are adaptive: a wrong or timed-out answer leads to an easier next question.
- An unanswered question counts like a wrong one.
Rules to know before you start
- Korn Ferry advises having paper, a pen or pencil and a calculator ready.
- Each question has its own time limit, so use the time but do not let it run out.
- Retakes are up to the employer.
How to prepare
- Use Korn Ferry's free official practice assessments; it warns that paid third-party sites do not use recognized content.
- Expect questions to feel hard; that is the adaptive design, not a sign you are failing.
- Practice reading charts quickly for numerical items.
- Answer questionnaires honestly; consistency matters.
A practice plan
- Day 1: read the employer's invitation for which tests you will take, then do the publisher's official practice questions untimed.
- Days 2 and 3: timed practice on your weakest test type, reviewing every mistake.
- Days 4 and 5: full timed runs in the same browser and device you will use.
- Day 6: rest, check your setup, and plan a quiet time slot.
- Day 7: take the test in one sitting, early in the deadline window.
Related guides: what an online assessment is, the SHL assessment, the CCAT.
On the day, and the mistakes to avoid
- Open the invitation early and note the deadline, the tests included and the time each takes.
- Use a laptop or desktop with a current browser, on a stable connection, with notifications silenced.
- Have paper, a pen and, if the instructions allow it, a calculator ready before you start.
- Read every instruction and example screen; formats differ more than people expect.
- Take the tests in a quiet room in one sitting, at a time of day when you are sharp.
- If something breaks, take a screenshot, note the time and contact the employer straight away.
Mistakes that cost candidates:
- Treating untimed or 'as many as you can' tests casually: speed and accuracy are usually both recorded.
- Bringing outside knowledge into reasoning items that must be judged only on the information given.
- Answering personality questions as the 'ideal' candidate instead of honestly, which shows up as inconsistency.
- Starting on a phone when the publisher recommends a computer.
- Leaving the test until the deadline, when any technical problem becomes fatal.
What happens after the Korn Ferry assessment
Results usually go to the employer, who compares them with the profile for the role. Shortlisted candidates move on to a video interview, an assessment centre or a first interview, so start preparing for those while you wait. For the next stage, see our guide to online assessments.
Where CoPilot Interview fits
Online assessments are tests you take on your own: outside help is not allowed, and proctoring settings can flag other apps, tab switches or a second voice. Practice beforehand instead. CoPilot Interview is an AI interview assistant; its free AI mock interview prepares you for the interviews that follow the assessment, with questions built from your résumé and the job description and each spoken answer scored out of ten. The free plan gives 15 minutes a day of live help in sessions of up to 15 minutes, with AI mock interviews included. Read the invitation carefully and follow your employer's rules.
Disclosure: CoPilot Interview is our product, so weigh what we say about it accordingly.
Frequently asked questions
Is the Korn Ferry test the same as Talent Q?
Yes, the ability tests come from Talent Q, which became part of Korn Ferry through Hay Group. Elements and Aspects are Talent Q product names.
Are Korn Ferry tests adaptive?
Yes. Each correct answer leads to a harder question and each wrong or timed-out answer to an easier one, which is why the test feels difficult.
Can I use a calculator?
Yes. Korn Ferry advises having a calculator, pen and paper ready.
What is KF4D?
Korn Ferry Four Dimensional, an assessment of competencies, experiences, traits and drivers used mostly for leadership roles. It is not an aptitude test.
Can I use AI tools during the Korn Ferry assessment?
No, unless the instructions explicitly allow it. Assessments are meant to be taken on your own, and proctoring settings can flag other apps, tab switches or pasted code. Use AI tools to practice beforehand, and follow your employer's rules.
Practice this interview before the real one
The AI mock interview builds questions from your resume and the job description, reads them aloud and scores each spoken answer out of 10. Included on the free plan.
Start a mock interview