In order to prepare for a personal support worker interview, you should research the company beforehand. This includes reading about their mission statement and values as well as looking at the job description. Once you have done this, it is important to make sure that your resume is up-to-date and contains all of your relevant skills and experience. If possible, try to find out what questions they are likely to ask during an interview so that you can be prepared with answers. Finally, dress appropriately for the position, be honest and be yourself during the interview.