Assessment Centre and Group Exercises: What Is Watched

Why employers test how you act

A CV and a one-to-one interview tell an employer what you say about yourself. An assessment centre shows what you do. The graduate careers service Prospects describes it as a combination of tasks and activities that test your suitability for a job, which can include case studies, group discussions, in-tray exercises, presentations, psychometric tests, role play, social events and written tests^[1]. The National Careers Service gives the purpose in one line: employers want to see how you cooperate with others, handle problems and get your ideas across^[2].

Not every employer uses all of these. Many only use a group interview or one exercise. Our guide to the stages of a recruitment process shows where they usually sit.

The exercises you may meet

Prospects lists what each one tests^[3]:

• Presentations: communication, timing and persuasion. Prepared ones usually run 10 to 20 minutes, while impromptu ones at an assessment centre give about 30 minutes to prepare.
• In-tray exercises: prioritisation and organisation, typically 30 to 60 minutes with 10 to 30 documents. Skim everything first, make a rough plan, then note your actions and justify each decision.
• Group exercises: teamwork, leadership and problem-solving. Contribute clearly, avoid interrupting or criticising others, include quieter members and step in politely if one person dominates.
• Group interviews: how you engage with other candidates. Build on others' points without simply repeating them.
• Case studies: common in consulting and accountancy. Research the sector, look for patterns and contradictions in the data and be ready to defend your conclusions.
• Written tests: comprehension and writing. Read the instructions, write for a non-expert, define acronyms and check spelling.
• Social events: assessed too, even though informal.

What the observers look for

Across the public guidance, the same behaviours come up. Prospects advises you to be assertive in every exercise, draw others into discussions and keep a friendly, polite manner with everyone you meet, because you are assessed throughout^[1]. The EU's EURES portal gives similar advice for group interviews: offer your own skills and experience rather than repeating answers, take the lead when appropriate without dominating or overshadowing others, and acknowledge other people's ideas by name^[4].

In practice, three habits matter most:

1. Listen first. Repeat the task in your own words and check you have understood it. Prospects advises digesting the brief quickly, then returning to it once you see the overall challenge^[1].
2. Show your method. Prospects says to make sure assessors can see how you work, not only what you conclude^[1].
3. Include others. In a group, drawing in a quiet person is noticed more than winning an argument.

How to prepare

Start by asking. Prospects recommends asking how you will be assessed and what the test will involve, whether you can write on the documents provided and whether the day is online or in person, and preparing for every likely format if the employer does not say^[3].

Then:

• Reread the job description and anything the employer sent. Prospects suggests using them to work out what the employer wants and to prepare views based on the organisation's website and reports^[1].
• Practise with someone. Prospects recommends running through likely exercises with a friend or family member^[1].
• Pick two or three examples from your CV that show teamwork or prioritising, so you have something concrete to say when the discussion opens.
• Plan for adjustments. If you need adjustments, the National Careers Service says you might need them to make an interview accessible and points to Scope for how to ask^[2]. Contact the employer before the day, not during it.

If the day is online

Prospects recommends asking whether the day is online or in person, because it can change the style of exercise^[3]. If it is online, test your microphone, camera and connection the evening before.

After the day: write it down, then follow up

The most useful work happens in the next hour.

• Write down the tasks, what you proposed, the names you heard and what the employer said about timing. Prospects notes that you may hear the result on the day or within a few days, and that the employer will tell you when to expect it^[1].
• Note what worked and what you would change: it is your preparation for the next assessment.
• Send a short thank-you if you have a contact. Our guide on following up after an interview gives usual timings and templates.
• Ask for feedback if you are unsuccessful. Prospects advises it so that you know what to work on before the next assessment day^[1].
• Log the date of the next step in your application tracker so you know when to follow up.

Frequently asked questions

Sources

1. ↑ a b c d e f g h i Prospects, "Assessment centres" prospects.ac.uk
2. ↑ a b National Careers Service, "Interview tips" nationalcareers.service.gov.uk
3. ↑ a b c Prospects, "Interview tests and exercises" prospects.ac.uk
4. ↑ EURES (European Labour Authority and European Commission), "How to ace a group interview", 9 January 2024 eures.europa.eu