Assistive technology(AT) is designed to provide important functional benefits and improve the quality of life(QOL) for people who use it. However, people will sometimes reject or abandon what seem to be well-designed and functional devices, and the possible consequences of non-use of prescribed technologies can be very serious. For these reasons, designers and providers need to better understand the psychosocial factors that might determine device adoption, retention and abandonment(or discontinuance). Therefore, the measurement of quality of life impact is considered to be very important in the management of assistive technology devices outcomes, and to measure the QOL impact of assistive technology in a standardized, objective and measurable fashion requires specifically designed tools.