4 Days program to observe your personality skills and your presentation skill. Good experience by the way. Friendly staffs. Get to know more about the employees. Assessment centres are essentially group interviews, in which employers bring together a number of candidates to complete a series of exercises that assess their suitability for the role. The exact structure and the nature of the tasks vary according to the employer, but they usually include an ice-breaker activity, group exercise (which is often based around a business case study), an individual presentation and an individual interview.