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Outcomes from a community-based Positive Behavioural Support team for children and adults with developmental
Darren L Bowring1, Vasiliki Totsika2,3, Richard P Hastings1,3
1CEDAR, University of Warwick, Coventry, UK.
Journal of Applied Research in Intellectual Disabilities : JARID
|August 24, 2019
Summary
Positive Behaviour Support (PBS) interventions significantly improved quality of life and reduced challenging behaviors in individuals with developmental disabilities. Stakeholders found the PBS process valuable, confirming its social validity in community settings.
Area of Science:
- Clinical Psychology
- Developmental Disabilities Research
- Behavioral Science
Background:
- Limited research exists on the statistical reliability and clinical significance of community Positive Behaviour Support (PBS) team outcomes.
- Few studies have explored quality of life (QoL) and social validity in relation to PBS interventions.
Purpose of the Study:
- To evaluate the statistical reliability and clinical significance of outcomes following intervention by a specialist PBS team.
- To assess changes in quality of life (QoL), health-related QoL (HRQoL), and challenging behaviors.
- To determine the social validity of PBS from stakeholder perspectives.
Main Methods:
- Data were collected from 85 individuals referred to a specialist PBS team.
- A unique set of multiple measures and statistical change metrics were employed for outcome evaluation.
Main Results:
- Statistically significant improvements in QoL and HRQoL were observed, with medium to large effect sizes.
- Behaviour Problems Inventory-Short Form scores decreased significantly (d = 0.84), from 37.74 to 12.12.
- Stakeholders reported high satisfaction with the PBS process and outcomes, indicating strong social validity.
Conclusions:
- This study confirms the effectiveness of PBS in community settings for improving QoL, HRQoL, and reducing challenging behaviors.
- The findings support the social validity of PBS for individuals with developmental disabilities.
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