There Is Little Empirical Basis to Suggest That PBS Is Effective

Overall, there is insufficient high-quality empirical evidence to suggest that PBS is effective at: enhancing quality of life, teaching adaptive skills, or reducing the use of restrictive practices.

The majority of the studies (73.33%) were assessed to be of ‘low’ quality based on a score of <50% on the QATSDD. Whilst there is some ‘high’ quality evidence to suggest that PBS is effective at improving challenging behaviour up to 6-months follow-up, there is little empirical basis to suggest that PBS is effective at improving challenging behaviour beyond this.

Source: An investigation into positive behavioural support and quality of life -ORCA

Here’s another study stating ABA/PBS has a weak evidence base. Their claims to be evidence-based are used to dismiss autistic people and the neurodiversity movement. That’s so frustrating, but at least we have this study in our advocacy toolbox now.

Previously on ABA/PBS:

Published by Ryan Boren

#ActuallyAutistic parent and retired tech worker. Equity literate education, respectfully connected parenting, passion-based learning, indie ed-tech, neurodiversity, social model of disability, design for real life, inclusion, open web, open source. he/they

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