Autism & Developmental

Synchronous reinforcement schedules promote tolerance of health‐related routines for adults with disabilities

McHugh et al. (2025) · Journal of Applied Behavior Analysis 2025
★ The Verdict

Deliver praise and a preferred item right when the health routine starts to help most adults with IDD tolerate it.

✓ Read this if BCBAs running adult day or residential programs where clients resist hygiene or medical care.
✗ Skip if Clinicians who only serve young children or already use escape extinction for all routines.

01Research in Context

01

What this study did

The team tested synchronous reinforcement with adults who have intellectual or developmental disabilities.

Staff gave praise and a small treat the moment a health routine started.

They tracked eight routines: toothbrushing, handwashing, face washing, lotion, sunscreen, oxygen cannula, compression stockings, and a pulse-oximeter.

02

What they found

Five routines quickly improved. Two needed extra tweaks like shorter steps or a different reward. One routine did not budge.

Overall, the method helped most adults tolerate daily health tasks without escape extinction or restraint.

03

How this fits with other research

McHugh et al. (2022) and Houck et al. (2024) showed the same synchronous trick works for mask wearing in adults with IDD. The new study widens the list to toothbrushing, lotions, and medical devices.

Gomes et al. (2025) moved the idea into elementary classrooms. They used a group version: when every student was on-task the whole class got reinforcers right away. It proves the schedule scales beyond one-to-one sessions.

Diaz de Villegas et al. (2024) found big gains with preschoolers’ on-task behavior, while this adult study shows mixed results. The difference is target, not age: simple desk work is easier to reinforce than a hated medical routine.

04

Why it matters

You can add synchronous reinforcement to any adult day program tomorrow. Hand the staff a kitchen timer and a bag of mini-cookies. Praise and deliver the cookie the second the client touches the toothbrush or stockings. If progress stalls, break the routine into smaller steps or swap the reward before trying tougher procedures.

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→ Action — try this Monday

Pick one resisted routine, give the client a favorite snack the instant it begins, and graph yes/no tolerance for five days.

02At a glance

Intervention
differential reinforcement
Design
single case other
Sample size
5
Population
intellectual disability, developmental delay
Finding
mixed
Magnitude
medium

03Original abstract

Failure to engage in or tolerate health-related routines is a major barrier to good health for individuals with intellectual and developmental disabilities (IDD). In the current study, we evaluated the effects of a synchronous schedule of reinforcement (SSR) for five adults with IDD across eight health-related routines (e.g., toothbrushing, handwashing, tolerating wearing health-related devices). The results showed that SSR alone effectively increased tolerance for five of eight health-related routines. Additional modifications were necessary for two other routines, and no effects were observed for one participant. We successfully trained direct-care staff to implement the effective treatment. Social validity outcomes showed higher levels of positive affect and lower levels of negative affect during treatment relative to baseline for all participants as well as staff acceptance of the procedures and training. The current study adds to the literature supporting SSR as an alternative to graduated exposure; however, further research on the efficacy of SSR alone is needed.

Journal of Applied Behavior Analysis, 2025 · doi:10.1002/jaba.70020