Abstract
This chapter describes an instrument to measure the subjective wellbeing of people who have an intellectual disability. The Personal Wellbeing Index – Intellectual Disability (PWI-ID) is a parallel version of the regular PWI used for general population samples. Both scale versions have well-developed manuals, which are free to download, normative data, and acceptable psychometric properties. The description provided in this chapter begins with an explanation of subjective wellbeing, both within the broader context of life quality and also as it relates to the theory of Subjective Wellbeing Homeostasis. The scale is then described with an emphasis on formal administrative procedures, and some illustrative results are presented. It is concluded that the PWI-ID represents a state-of-the-art instrument to measure subjective wellbeing in this population.
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Cummins, R.A., Lau, A.L., Davey, G., McGillivray, J. (2010). Measuring Subjective Wellbeing: The Personal Wellbeing Index – Intellectual Disability. In: Kober, R. (eds) Enhancing the Quality of Life of People with Intellectual Disabilities. Social Indicators Research Series, vol 41. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-9650-0_3
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