Assessment Centre Tips (UK): Group Exercises, Role Plays and In-Tray Tasks Explained
An assessment centre is a series of exercises that lets an employer watch you in different situations over a few hours or a full day. They are common for graduate schemes, the Civil Service, banks, the police and larger employers. They can be intimidating, but they are predictable.
What happens at an assessment centre?
You might have a welcome presentation, then a mix of group exercises, individual tasks, interviews and sometimes lunch with current staff. Assessors score you against a set of competencies, such as communication, teamwork, problem solving and leadership.
Group exercise tips
Listen first, then contribute. Do not talk over others.
Share the time. Invite quieter members to speak.
Keep an eye on the clock and help the group finish.
You are not competing with the group. Assessors are looking at your behaviour, not who wins.
Presentations
You may get a topic in advance or on the day. Use a clear structure: introduction, three main points, conclusion. Practise timing. Prepare for questions.
In-tray or e-tray exercises
You get a set of emails, tasks and information and have to prioritise and respond within a time limit. Read everything first, separate urgent from important, deal with quick wins and explain your reasoning. Accuracy and judgement matter.
Role plays
You play a part, such as a manager speaking to a team member or a customer service adviser dealing with a complaint. Listen, stay calm, ask questions and agree on next steps. The role player is trained to be difficult, so do not take it personally.
Competency interview
Expect STAR-style questions. Have five or six strong examples ready.
How to prepare
Read the invitation to see what exercises are included.
Research the company values and match your behaviour to them.
Practise timed tests and presentations.
Get an early night and arrive early.
Quick answers
What if I mess up one exercise? Assessors score across the whole day. Move on and do well in the next one.
How should I behave at lunch? Be friendly and professional. You are still being observed.
Want to practise with questions written for your exact job? Our question bank covers hundreds of UK roles with model answers, and every role has five questions free.
Practise for specific roles
Pick your role: Project Manager.

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