ABA Fundamentals

Analysis and treatment of finger sucking.

Ellingson et al. (2000) · Journal of applied behavior analysis 2000
★ The Verdict

A simple glove ends finger sucking when the feel is the only payoff; if not, add a small beeper.

✓ Read this if BCBAs treating oral habits in clinic or home settings.
✗ Skip if Clinicians working only with feeding or vocal stereotypy.

01Research in Context

01

What this study did

Two children who sucked their fingers all day took part.

One child wore a soft glove all waking hours.

The other child wore the glove plus a small wrist box that beeped each time the hand reached the mouth.

The team tracked finger-sucking minute by minute until it stopped.

02

What they found

The glove alone ended finger sucking for the first child in a few days.

The glove plus beeper ended finger sucking for the second child right away.

Both children kept the habit away for the rest of the study.

The quick drop shows the behavior was kept alive only by the feel in the mouth, not by attention or food.

03

How this fits with other research

Matson et al. (1994) used oven mitts only after hand-mouthing and called it punishment. Nasr et al. (2000) used a glove all day and called it sensory extinction. Same tool, different rule: mitts after the act punish; glove before the act blocks the feel.

Thakore et al. (2024) copied the glove idea but added response interruption and redirection for a child with autism. The extra step shows the glove plan can travel from typical kids to kids with delays.

Cannella et al. (2006) looked at 23 papers and found gloves or mitts work best when the feel is the only payoff. Nasr et al. (2000) is one clear example inside that bigger picture.

04

Why it matters

If a child sucks fingers for the feel, start cheap: try a thin cotton glove first.

If the drop is only partial, snap on a tiny buzzer or beeper to make the child notice each reach.

You avoid bitter polish, restraints, or long hours of blocking, and the same glove can later help kids with autism who mouth their hands.

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Put a soft glove on the child’s preferred hand and count finger-sucks for one day; add a wrist beeper only if you still see more than five reaches per hour.

02At a glance

Intervention
extinction
Design
single case other
Sample size
2
Population
neurotypical
Finding
positive
Magnitude
large

03Original abstract

We analyzed and treated the finger sucking of 2 developmentally typical children aged 7 and 10 years. The functional analysis revealed that the finger sucking of both children was exhibited primarily during alone conditions, suggesting that the behavior was maintained by automatic reinforcement. An extended analysis provided support for this hypothesis and demonstrated that attenuation of stimulation produced by the finger sucking resulted in behavior reductions for both children. Treatment consisted of having each child wear a glove on the relevant hand during periods when he or she was alone. Use of the glove produced zero levels of finger sucking for 1 participant, whereas only moderate reductions were obtained for the other. Subsequently, an awareness enhancement device was used that produced an immediate reduction in finger sucking.

Journal of applied behavior analysis, 2000 · doi:10.1901/jaba.2000.33-41