Procedural parameters in equivalence‐based instruction with individuals diagnosed with autism: A call for systematic research
Equivalence-based instruction works for autism, but every lab cooks it differently, so we still don’t know the best recipe.
01Research in Context
What this study did
Shawler et al. (2023) read every equivalence-based instruction (EBI) study that included kids with autism. They hunted for details like trial spacing, stimulus order, and mastery rules.
The team wanted to see if anyone had already found the best recipe. They found wide swings in how EBI is run, but no head-to-head tests of the moving parts.
What they found
No two studies used the same setup. Some used two-second delays, others ten. Some mixed pictures, some used only words. No study compared these choices directly.
Because of the scatter, we still can’t say which version helps kids with autism learn fastest or keep the skills longest.
How this fits with other research
Mammarella et al. (2022) saw the same mess in school-based FBA studies. Both reviews found half the papers left out key steps, so practitioners can’t copy the procedure.
Provenzani et al. (2020) counted 327 different outcome measures across autism trials. Shawler adds another layer of chaos: even when we agree on what to teach, we don’t agree on how.
Chung et al. (2024) still list EBI as a promising ABA tool. The contradiction is only on paper: EBI works, but we need cleaner manuals before we can run strong trials.
Why it matters
If you run EBI now, document every knob you turn: timing, stimulus size, mastery criterion, and correction style. Share the sheet with your team so the next kid gets the same protocol. When you pick a study to guide your setup, choose one that reports all those details; if it doesn’t, treat it as a pilot, not a blueprint.
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02At a glance
03Original abstract
Equivalence-based instruction (EBI) is an efficient and efficacious methodology to establish equivalence classes that has been used to teach various academic skills to neurotypical adults. Although previous reviews confirmed the utility of EBI with participants with developmental disabilities, it is unclear whether certain procedural parameters are associated with positive equivalence outcomes. We extended previous reviews by categorizing studies that used EBI with individuals diagnosed with autism spectrum disorder and assessed whether any procedural parameters were associated with better equivalence responding. Due to the wide variability of procedural parameters in EBI research, the best procedural permutations to form equivalence classes with individuals diagnosed with autism spectrum disorder are still unknown. Thus, this paper serves as a call to action for applied researchers. Specifically, we encourage and invite researchers to systematically investigate the necessary variables or combination of variables that may lead to successful equivalence class formation.
Journal of Applied Behavior Analysis, 2023 · doi:10.1002/jaba.998