ABA Fundamentals

Escape as reinforcement and escape extinction in the treatment of feeding problems.

LaRue et al. (2011) · Journal of applied behavior analysis 2011
★ The Verdict

Escape extinction is non-negotiable for food pocketing; escape-as-reinforcement alone does not work.

✓ Read this if BCBAs treating liquid or solid pocketing in clinic or home feeding programs.
✗ Skip if Practitioners working on texture expansion or utensil use where escape is not the issue.

01Research in Context

01

What this study did

The team worked with children who refused food and left food in their mouths.

They tested two ideas: letting kids earn a short break after they swallowed, or simply blocking escape until they swallowed.

Each child experienced both plans in a mini-experiment so the results could be compared.

02

What they found

Escape extinction—no break until the mouth was clean—boosted swallowing and cut problem behavior every time.

Offering a break only after swallowing did nothing by itself; the food stayed in the mouth.

The break reward helped only after escape extinction was already in place.

03

How this fits with other research

Scott et al. (2024) pooled 266 cases and agree: add other tools if you like, but escape extinction is the engine.

Najdowski et al. (2003) and Staddon et al. (2002) already showed the same core truth—extinction drives eating; extra rewards just polish the edges.

Tereshko et al. (2021) seem to disagree, finding papers where kids ate more without extinction. Look closer: those studies used easier foods or hungry children, so escape was never the problem. The clash is about case selection, not procedure.

04

Why it matters

If a child pockets food, start with escape extinction first. Do not rely on "first swallow, then break" by itself—you will waste sessions. Once swallowing is steady, you can add a brief break to keep things pleasant, but extinction stays on the ticket.

Free CEUs

Want CEUs on This Topic?

The ABA Clubhouse has 60+ free CEUs — live every Wednesday. Ethics, supervision & clinical topics.

Join Free →
→ Action — try this Monday

Keep the spoon in place and block head turns until the child swallows—then give a 5-second break as a bonus, not a bribe.

02At a glance

Intervention
extinction
Design
single case other
Sample size
5
Population
feeding disorder
Finding
positive

03Original abstract

Given the effectiveness of putative escape extinction as treatment for feeding problems, it is surprising that little is known about the effects of escape as reinforcement for appropriate eating during treatment. In the current investigation, we examined the effectiveness of escape as reinforcement for mouth clean (a product measure of swallowing), escape as reinforcement for mouth clean plus escape extinction (EE), and EE alone as treatment for the food refusal of 5 children. Results were similar to those of previous studies, in that reinforcement alone did not result in increases in mouth clean or decreases in inappropriate behavior (e.g., Piazza, Patel, Gulotta, Sevin, & Layer, 2003). Increases in mouth clean and decreases in inappropriate behavior occurred when the therapist implemented EE independent of the presence or absence of reinforcement. Results are discussed in terms of the role of negative reinforcement in the etiology and treatment of feeding problems.

Journal of applied behavior analysis, 2011 · doi:10.1901/jaba.2011.44-719