Reliability, Validity and Acceptability of the PEDI-CAT with ASD Scales for Australian Children and Youth on the Autism Spectrum.
Angela Chamberlain, Emily D'Arcy, Andrew Jo Whitehouse and 6 others
PMID 38678516WHAT IT FOUND
The PEDI-CAT (ASD) is reliable and user-friendly, but it misses key areas like community participation and environmental barriers.
It scores higher on social skills than the original version, which risks underestimating support needs and funding eligibility.
Key findings
01The PEDI-CAT (ASD) shows good to excellent internal consistency and test-retest reliability, but scores significantly higher on the Social/Cognitive domain than the original version, meaning the two should not be used interchangeably.
02Content analysis revealed the measure lacks comprehensiveness, covering less than half of the relevant autism ICF codes and missing all environmental factors, which limits its ability to capture the full picture of a young person's needs.
03Caregivers found the assessment brief and helpful for planning, but worried it failed to capture daily fluctuations in functioning and the specific supports needed, potentially leading to an overestimation of ability.
STILL TO COME
How it was doneWhat they foundWhat it means for OTsWhat it means for SLPs
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What it does not show
The sample was heavily skewed toward younger children, with only 28 participants over 12 years and insufficient data for the 17+ age group. Most participants lived in major cities and high socio-economic areas, limiting generalizability to rural or disadvantaged populations. Caregiver burden from multiple assessments and potential recall bias between assessment waves may have influenced feedback. The study relied on caregiver report, without input from the autistic individuals themselves or community-based participatory methods.
Declared interests
The study was funded by the University of Western Australia. No other conflicts of interest were declared.
The easy way to misread this
Do not assume the PEDI-CAT (ASD) is a more accurate or comprehensive measure of functioning simply because it is autism-specific. It scores Social/Cognitive domains higher than the original version, which could lead to underestimating support needs if used in isolation for funding decisions.