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	Quebec User Evaluation of Satisfaction with Assistive Technology	Participation and Environment Measure
Field	Disability Studies	Disability Studies
Family	Latent structure	Latent structure
Year of origin	2002	2011
Originator	Louise Demers, Rhoda Weiss-Lambrou & Bernadette Ska	Wendy Coster, Mary Law, Gary Bedell, Mary Khetani et al.
Type	Assistive-technology user-satisfaction measurement instrument	Parent-report participation-and-environment measurement instrument
Seminal source	Demers, L., Weiss-Lambrou, R., & Ska, B. (2002). The Quebec User Evaluation of Satisfaction with Assistive Technology (QUEST 2.0): An overview and recent progress. Technology and Disability, 14(3), 101-105.	Coster, W., Bedell, G., Law, M., Khetani, M. A., Teplicky, R., Liljenquist, K., Gleason, K., & Kao, Y.-C. (2011). Psychometric evaluation of the Participation and Environment Measure for Children and Youth. Developmental Medicine & Child Neurology, 53(11), 1030-1037.
Aliases	QUEST 2.0, QUEST, Quebec User Evaluation of Satisfaction with assistive Technology, Assistive Technology Satisfaction Measure	PEM-CY, Participation and Environment Measure for Children and Youth, Children's Participation and Environment Measure, PEM Child Participation Measure
Related	3	3
Summary	The Quebec User Evaluation of Satisfaction with Assistive Technology (QUEST 2.0) is a standardized outcome measure that quantifies how satisfied a user is with an assistive device and with the services surrounding it. Developed by Louise Demers, Rhoda Weiss-Lambrou and Bernadette Ska, the refined 2.0 version comprises twelve items split into a device subscale (eight items, such as comfort, safety, and ease of use) and a services subscale (four items, such as service delivery and follow-up), each rated on a five-point satisfaction scale. Distinctively, QUEST also asks users to identify the three items most important to them, anchoring satisfaction in what the user actually values rather than treating all features as equal.	The Participation and Environment Measure for Children and Youth (PEM-CY) is a caregiver-report instrument that measures how children aged 5 to 17, with and without disabilities, participate in the home, school, and community, and the environmental supports and barriers that shape that participation. Developed by Wendy Coster, Mary Law, Gary Bedell, Mary Khetani and colleagues and published in 2011-2012, the PEM-CY operationalizes the participation construct of the World Health Organization's International Classification of Functioning, Disability and Health (ICF) by asking, for each setting, how often a child takes part, how involved they are, and whether the family desires change, alongside ratings of which environmental features help or hinder. Its distinctive contribution is to measure participation and environment together rather than treating the environment as a separate afterthought.