Collateral effects of parent training on family interactions.
Switching from one-skill-at-a-time coaching to PRT makes family dinner happier, calmer, and chattier within weeks.
01Research in Context
What this study did
The team split families of kids with autism into two groups. One group learned PRT coaching. The other group learned ITB coaching.
Parents got six home visits. Dinner was filmed before and after. Four simple scales scored each tape: happiness, interest, stress, and talk.
What they found
Only the PRT dinners got better. Kids smiled more, looked more, whined less, and talked more. The ITB dinners stayed flat.
The change showed up on every scale, not just the trained skill.
How this fits with other research
Kim et al. (2005) saw the same lift with Korean moms using a different package called RFI. Both studies prove parent coaching can warm up mealtime without touching the food.
Ingersoll et al. (2024) moved the idea online. Their tele-ImPACT raised parent strategy use and later language, showing the collateral path still works through a screen.
Ferguson et al. (2021) looks like a clash at first. They found parent stress can rise or fall after behavior treatment. But they looked at stress hours after tough sessions, not at dinner. Time and place explain the gap.
Why it matters
You can stop chaining single targets. Teach the pivot instead. When parents learn PRT, the whole dinner feels better that same week. Use the four-scale code to show families the win on tape.
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02At a glance
03Original abstract
Recent research suggests that using naturalistic teaching paradigms leads to therapeutic gains in clinic settings for children with autism and related disorders. More recent studies are demonstrating that implementing these strategies within a parent training format may produce collateral effects in other areas of family life. The present experiment assessed collateral effects of two very different parent training paradigms during unstructured dinnertime interactions in the family setting. One paradigm focused on teaching individual target behaviors (ITB) serially, and the other focused on a recently developed naturalistic paradigm that teaches the pivotal responses (PRT) of motivation and responsivity to multiple cues. Two groups of families were randomly assigned to each of the parent training conditions. Pretraining and post-parent-training videotapes of dinnertime interactions were scored in a random order across four interactional scales (level of happiness, interest, stress, and style of communication). Results obtained for the four interactional scales showed that the families in both conditions initially scored in the neutral range, and the ITB training paradigm produced no significant influence on the interactions from pretraining to posttraining. In contrast, however the PRT parent training paradigm resulted in the families showing positive interactions on all four scales, with the parent-child interactions rated as happier, the parents more interested in the interaction, the interaction less stressful, and the communication style as more positive.
Journal of autism and developmental disorders, 1996 · doi:10.1007/BF02172479