Pivotal Response Treatment Parent Training for Autism: Findings from a 3-Month Follow-Up Evaluation.
Twelve weeks of parent-group PRT can give autistic children new words that last at least three months without extra training.
01Research in Context
What this study did
Whiting et al. (2015) ran a 12-week parent group that taught Pivotal Response Treatment.
Parents met each week and learned how to use PRT at home with their autistic children.
Three months after the last class the team came back to see if the kids still had their new words.
What they found
Children kept the new words they had gained.
Standard language and thinking scores also stayed higher than before the group.
No extra coaching was needed to keep the gains alive.
How this fits with other research
Ouyang et al. (2024) looked at 32 trials and placed PRT after ImPACT and ESDM in a training ladder.
Their network meta shows PRT gives medium language gains, matching the 2015 follow-up.
Higgins et al. (2021) copied the 12-week plan with preschoolers who had delays but no ASD label and saw the same expressive-language jump, so the recipe works across diagnoses.
Patterson et al. (2012) warned that parent skills often fade; the 2015 data answer that worry by showing kids still talk more three months later.
Why it matters
You can tell funders and families that a short group course can lock in language gains for at least three months.
If a child already finished ImPACT or ESDM, stepping up to PRT parent coaching is the logical next rung.
Use the 12-week plan as a ready-made discharge goal: one season of parent group, then a three-month check to prove the words stuck.
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02At a glance
03Original abstract
This study's objective was to assess maintenance of treatment effects 3 months after completion of a 12-week Pivotal Response Treatment (PRT) parent education group. Families who completed the active treatment (N = 23) were followed for an additional 12 weeks to measure changes in language and cognitive skills. Results indicated a significant improvement in frequency of functional utterances, with maintenance at 3-month follow-up [F(2, 21): 5.9, p = .009]. Children also made significant gains on the Vineland Communication Domain Standard Score [F(2, 12):11.74, p = .001] and the Mullen Scales of Early Learning Composite score [F(1, 20) = 5.43, p = .03]. These results suggest that a brief PRT parent group intervention can lead to improvements in language and cognitive functioning that are maintained 12 weeks post treatment.
Journal of autism and developmental disorders, 2015 · doi:10.1007/s10803-015-2452-3