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Related Experiment Video

Updated: May 23, 2026

Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools

Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools

Published on: June 20, 2020

Life satisfaction in persons with intellectual disabilities.

Ramona Lucas-Carrasco¹, Luis Salvador-Carulla

¹Department of Methodology and Behavioural Sciences, University of Barcelona, Barcelona, Spain. Lucas.Ramona@gmail.com

Research in Developmental Disabilities

|April 17, 2012

Summary

Persons with intellectual disability (ID) report high life satisfaction, as measured by the Satisfaction with Life Scale (SWLS). This study validates the SWLS as a reliable tool for assessing life satisfaction in individuals with ID.

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Published on: May 31, 2021

Area of Science:

Psychology
Disability Studies
Psychometrics

Background:

Assessing life satisfaction is crucial for individuals with intellectual disability (ID).
The Satisfaction with Life Scale (SWLS) is a widely used measure, but its psychometric properties in persons with ID require validation.
Understanding life satisfaction in this population can inform support services and policy.

Purpose of the Study:

To evaluate the psychometric properties of the Satisfaction with Life Scale (SWLS) in persons with intellectual disability (ID).
To determine the reliability and validity of the SWLS for this specific population.
To explore factors associated with life satisfaction in persons with ID.

Main Methods:

Ninety-nine individuals with ID from four Spanish services participated.
Standard psychometric methods were employed to analyze the SWLS.
Data included SWLS, WHOQOL-BREF (Quality of Life), health status, and sociodemographic information.

Main Results:

Persons with ID reported high life satisfaction (SWLS score 25-29).
The SWLS demonstrated good internal consistency (Cronbach's alpha = .79) and a one-factor structure.
SWLS scores correlated significantly with overall quality of life, health satisfaction, and relationships.

Conclusions:

The SWLS is a psychometrically sound tool for assessing life satisfaction in persons with ID.
Findings support the use of SWLS in diverse care settings and for policy development.
This research provides valuable insights into the well-being of individuals with ID.