When working with someone with assistive technology it always a process. You are always thinking about the client and how to improve their lives. You question how, when and the accessibility of the technology you recommended. You think of the complexity of the technology and ensure if it a proper fit.
You observe the client to see their approach, understanding of the program or equipment and once again the accessibility and complexity of the equipment, applications and/or programs. To ensure your client is able to comprehend all aspects of the equipment.