ABA Fundamentals

An Evaluation of Positional Prompts for Teaching Receptive Identification to Individuals Diagnosed with Autism Spectrum Disorder

Leaf et al. (2016) · Behavior Analysis in Practice 2016
★ The Verdict

Moving the correct picture closer in two steps teaches receptive labels without any extra help.

✓ Read this if BCBAs teaching receptive vocabulary to young autistic learners.
✗ Skip if Clinicians already happy with gesture or model prompts.

01Research in Context

01

What this study did

Leaf and team tested a three-step positional prompt on six children with autism.

The target picture started 12 inches away, then moved to 6 inches, then lined up with the others.

No extra gestures, no pointing—just space.

02

What they found

Every child learned to touch the right picture and kept the skill weeks later.

The spatial fade alone was enough; no other prompts were needed.

03

How this fits with other research

Gray (2024) also taught receptive words to autistic preschoolers, but added match-to-sample and toys. Both studies worked, showing you can go lean or plush and still win.

Dogan et al. (2002) used simultaneous prompting—teacher points right away—for the same picture task. Their kids learned too, so the prompt style matters less than the clear cue.

Schnell et al. (2020) ran a quick test and found least-to-most fading fastest for every child. Leaf flipped the order (most-to-least) and still succeeded, hinting that either direction works if you move in clear steps.

04

Why it matters

You can trim your prompt plan to one variable: distance. Start the target card closer, then slide it back. No extra hands, no voice cues, no data clutter. Try it next time a child stalls at the array—just inch the picture forward, then let space do the teaching.

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Place the target card 12 inches in front of the child; after three correct grabs, shift it to 6 inches, then align it with foils.

02At a glance

Intervention
prompting and fading
Design
multiple baseline across behaviors
Sample size
6
Population
autism spectrum disorder
Finding
positive

03Original abstract

In this study, we evaluated the effects of positional prompts on teaching receptive identification to six children diagnosed with autism spectrum disorder (ASD). The researchers implemented a most-to-least prompting system using a three level hierarchy to teach receptive picture identification. Within the prompting hierarchy, only positional prompts were used. The most assistive prompt was placing the target stimulus 12 in. closer to the participant, the less assistive prompt was placing the target stimulus 6 in. closer to the participant, and no prompt was placing the target stimulus in line with the alternative stimuli. A non-concurrent multiple baseline design across behaviors was used to evaluate the effectiveness of the positional prompt. Results indicated that the implementation of positional prompts resulted in participants reaching mastery criterion and maintaining skills at follow-up for the majority of the participants. The results of the study have both future clinical and research implications.

Behavior Analysis in Practice, 2016 · doi:10.1007/s40617-016-0146-8