This comparison draws in part from “Lunch & Learn: The (Mis)Alignment Between ABA & The Medical Model” by Rachel Taylor, PhD, BCBA-D (BehaviorLive), and extends it with peer-reviewed research from our library of 27,900+ ABA research articles. The decision framework, BACB ethics code references, and cross-links below are synthesized by Behaviorist Book Club.
View the original presentation →One of the most consequential decisions a behavior analyst makes is not just what intervention to use, but how to approach the clinical question in the first place. For lunch & learn: the (mis)alignment between aba & the medical model, the difference between an evidence-based, individualized approach and a traditional, protocol-driven one can significantly impact outcomes.
This guide lays out the key factors side by side to support your clinical decision-making.
| Factor | Evidence-Based Approach | Traditional Approach |
|---|---|---|
| Unit of analysis | Behavior analytic: Observable behavior and its environmental determinants (antecedents, consequences, setting events) | Medical model: Symptoms associated with a diagnostic category (DSM criteria, standardized assessment profiles) |
| Treatment targets | Behavior analytic: Selected based on functional assessment, social significance, and client-specific priorities | Medical model: Selected based on diagnostic criteria and insurer-defined functional impairments |
| Outcome measurement | Behavior analytic: Direct, continuous observation of target behaviors with graphical analysis driving decisions | Medical model: Standardized assessment scores at authorization intervals; clinician-rated symptom scales |
| Definition of success | Behavior analytic: Socially significant change in targeted behavior that generalizes and maintains in natural environments | Medical model: Reduction of diagnostic symptoms to a level that justifies continued or reduced services |
| Intervention logic | Behavior analytic: Interventions derived from the behavior analytic literature; function-matched; continuously evaluated | Medical model: Interventions tied to evidence-based treatment protocols for the diagnosis; protocol-driven |
| Documentation purpose | Behavior analytic: Documents serve clinical decision-making — they capture behavioral data and treatment rationale | Medical model: Documents serve authorization — they justify continued reimbursement based on medical necessity criteria |
The ABA Clubhouse has 60+ on-demand CEUs including ethics, supervision, and clinical topics like this one. Plus a new live CEU every Wednesday.
Use this framework when approaching lunch & learn: the (mis)alignment between aba & the medical model in your practice:
Does the data support a need for intervention? Is there a meaningful impact on the individual's quality of life, safety, or access to reinforcement?
YES → Proceed to assessment NO → Document reasoning, monitor
A functional assessment should guide intervention selection. Avoid defaulting to standard protocols without individual analysis. Consider environmental variables, setting events, and private events.
YES → Select evidence-based approach matched to function NO → Complete assessment first
Goals should be co-developed. Assent and informed consent are ethical requirements. The individual's preferences and values matter in selecting both goals and methods.
YES → Proceed with collaborative plan NO → Engage in shared decision-making
This course covers the clinical and ethical dimensions in detail with structured learning objectives and CEU credit.
Lunch & Learn: The (Mis)Alignment Between ABA & The Medical Model — Rachel Taylor · 0.5 BACB Supervision CEUs · $10
Take This Course →We extended this decision guide with research from our library — dig into the peer-reviewed studies behind each approach, in plain-English summaries written for BCBAs.
279 research articles with practitioner takeaways
258 research articles with practitioner takeaways
188 research articles with practitioner takeaways
0.5 BACB Supervision CEUs · $10 · BehaviorLive
Research-backed educational guide
Research-backed answers for behavior analysts
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All behavior-analytic intervention is individualized. The information on this page is for educational purposes and does not constitute clinical advice. Treatment decisions should be informed by the best available published research, individualized assessment, and obtained with the informed consent of the client or their legal guardian. Behavior analysts are responsible for practicing within the boundaries of their competence and adhering to the BACB Ethics Code for Behavior Analysts.