Occupational therapy assistants have a wide range of personal and professional reasons for entering the field. Many have a desire to help others overcome physical and mental obstacles to well-being and independent living, while others may have had positive experiences with occupational therapists in their private lives. The answer you provide to this question can give the interviewer insight about your personality, motivation and dedication to the profession. Think carefully about the reasons that you wanted to become an occupational therapy assistant. There's nothing wrong with sharing some personal information and history, if applicable, but you should also take care that you don't go overboard.