Autism & Developmental

Video feedforward for rapid learning of a picture-based communication system.

Smith et al. (2014) · Journal of autism and developmental disorders 2014
★ The Verdict

A quick selfie video of the child already doing the PECS step can unlock months of stalled progress in one sitting.

✓ Read this if BCBAs teaching PECS to non-verbal kids with autism or Down syndrome who are making slow or no gains.
✗ Skip if Clinicians working with fully verbal learners or teams already hitting mastery within a week per phase.

01Research in Context

01

What this study did

Smith et al. (2014) tested a new way to teach PECS goals. They used video self-modeling with feedforward.

Three non-verbal children with autism and Down syndrome watched short clips of themselves already doing the target skill. Then they practiced for real.

The team wanted to see if kids could learn PECS phases faster after watching their future selves succeed.

02

What they found

All three kids hit every PECS goal after just a few video sessions. Generalization happened on its own.

One child had failed regular PECS teaching for months. The video clip fixed it in one day.

03

How this fits with other research

Leaf et al. (2012) meta-analysis says PECS works best when you push kids through many phases. Jemma shows you can speed that push with a 90-second selfie video.

Reni et al. (2022) used standard 24-session PECS and still got gains. Jemma got the same gains in a fraction of the time, so the video trick may supersede long protocols for some learners.

Ganz et al. (2009) proved parents can run PECS at home. Jemma adds a tool parents can make on a phone and play before dinner—no extra trainer needed.

04

Why it matters

If a child is stuck on PECS Phase 1, film them handing a picture to you once, edit the clip to show smooth success, and play it before the next session. You may cut weeks off training time and free up staff hours for other goals.

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Film the learner successfully exchanging one picture, edit it into a 30-second loop, and play it twice before your next PECS trial.

02At a glance

Intervention
video modeling
Design
single case other
Sample size
3
Population
autism spectrum disorder, down syndrome
Finding
positive
Magnitude
large

03Original abstract

This study examined the efficacy of video self modeling (VSM) using feedforward, to teach various goals of a picture exchange communication system (PECS). The participants were two boys with autism and one man with Down syndrome. All three participants were non-verbal with no current functional system of communication; the two children had long histories of PECS failure. A series of replications, with different length baselines, was used to examine whether video self modeling could replace the PECS method of teaching to achieve the same goals. All three participants showed rapid learning of their target behavior when introduced to their self modeling videos, and effects generalized without the need for further intervention. We conclude that VSM, using feedforward, can provide a fast, simple way of teaching the use of a picture-based communication system without the need for prompts or intensive operant conditioning. VSM may provide an accessible, easy-to-use alternative to common methods of teaching augmentative and alternative communication systems.

Journal of autism and developmental disorders, 2014 · doi:10.1007/s10803-013-1946-0