By Matt Harrington, BCBA · Behaviorist Book Club · April 2026 · 12 min read

Ethical Considerations in Decreasing Behavior: Rethinking Aversive Procedures Through Skinner's Analysis

Overview & Clinical Significance

The question of how to decrease problematic behavior is one of the most consequential decisions a behavior analyst makes. The approaches chosen carry implications not only for the client receiving services but for the practitioner delivering them, for the broader perception of the field, and for the ethical standing of the profession. This course, presented by Julie Vargas, challenges commonly held assumptions about the role of aversive consequences in behavior reduction and presents an analysis grounded in Skinner's original recommendations.

The clinical significance of this topic is difficult to overstate. Decades of practice in applied behavior analysis have produced a wide range of behavior-reduction procedures, some of which involve the application of aversive stimuli. While such procedures may produce rapid decreases in target behavior, they also carry risks that are well-documented in the behavioral literature: emotional side effects, avoidance of the punishing agent, modeling of coercive interaction patterns, and potential harm to the therapeutic relationship. Julie Vargas brings a unique perspective to this discussion, offering practical examples that illuminate when the application of aversive stimuli causes harm to both the receiver and the giver.

The course encourages practitioners to critically examine whether their default approaches to behavior reduction are truly consistent with the best available evidence and with the ethical obligations outlined in the BACB Ethics Code. Many behavior analysts were trained in programs that emphasized punishment procedures as one tool among many, without sufficient attention to the conditions under which these procedures cause more harm than benefit. By returning to Skinner's analysis, this course provides a framework for evaluating behavior-reduction strategies that is both theoretically rigorous and clinically practical.

Alternative procedures for decreasing behavior without aversive consequences are not merely a preference; in many cases, they represent the most effective and sustainable approach. Procedures that build repertoires of alternative behavior, modify establishing operations, or alter the antecedent conditions that occasion problem behavior can produce lasting change without the side effects associated with punishment. This course provides the conceptual foundation for understanding why these alternatives often produce superior outcomes.

Background & Context

The history of behavior reduction procedures in ABA is complex and, at times, contentious. B.F. Skinner's analysis of punishment was far more nuanced than many contemporary practitioners realize. While Skinner acknowledged that aversive consequences could suppress behavior, he also articulated serious concerns about the side effects of punishment and consistently advocated for arranging environments that make desired behavior more likely rather than relying on consequences for undesired behavior.

Much of the misunderstanding stems from how punishment has been taught in behavior analysis training programs. The technical definition of punishment as a consequence that reduces the future probability of behavior is often presented alongside reinforcement as a symmetric pair, implying that both processes are equally appropriate tools for the practitioner. This presentation obscures the asymmetry that Skinner identified: while reinforcement builds behavior and strengthens the relationship between the organism and its environment, punishment suppresses behavior without teaching a replacement and often damages the relationship between the individual and the person delivering the consequence.

Julie Vargas's perspective is informed by deep scholarship in Skinner's original works. Her analysis highlights the gap between what Skinner actually recommended and what has become conventional practice in many ABA settings. Skinner argued that the effects of punishment are often temporary, that punishment does not extinguish the underlying motivation for the behavior, and that the side effects of aversive control frequently outweigh any short-term benefits.

The broader context for this discussion includes the ongoing evolution of professional standards in behavior analysis. The BACB Ethics Code has progressively strengthened requirements for practitioners to consider the least restrictive effective intervention, to prioritize reinforcement-based approaches, and to document the rationale for any procedure that involves the application of aversive stimuli. These changes reflect a growing consensus in the field that ethical practice requires more than technical effectiveness; it requires consideration of the full range of effects that a procedure has on the client's quality of life and autonomy.

Conflict management and resolution strategies also factor into this topic. When practitioners disagree about the appropriateness of behavior-reduction procedures, having a framework grounded in Skinner's analysis provides a basis for productive discussion. Rather than arguing about personal preferences or institutional traditions, practitioners can evaluate proposed procedures against a consistent set of principles.

Clinical Implications

The clinical implications of rethinking behavior-reduction procedures extend to every aspect of service delivery, from initial assessment to treatment planning to ongoing program evaluation. When practitioners move away from aversive-based approaches and toward reinforcement-based alternatives, the entire trajectory of treatment changes.

First, consider the assessment process. When the goal is to decrease behavior through aversive consequences, assessment often focuses narrowly on the topography and frequency of the target behavior. When the goal shifts to building alternative behavior, assessment must also identify the variables maintaining the problem behavior, the skills the individual lacks, and the environmental conditions that could be modified to support adaptive behavior. This broader assessment produces richer clinical information and leads to more comprehensive treatment plans.

The effects on the therapeutic relationship are among the most important clinical implications. When a practitioner uses aversive procedures, the practitioner becomes associated with aversive stimulation through respondent conditioning. Over time, the practitioner's presence alone may evoke escape and avoidance behavior from the client, reducing the client's engagement with instructional activities and social interaction. In contrast, practitioners who rely on reinforcement-based approaches become conditioned reinforcers, and their presence evokes approach behavior and increased engagement.

Julie Vargas emphasizes that the harm caused by aversive procedures affects the giver as well as the receiver. Practitioners who regularly implement punishment procedures may experience emotional fatigue, moral distress, and decreased job satisfaction. The coercive cycle that Skinner described operates in both directions: the client's problem behavior is aversive to the practitioner, and the practitioner's use of punishment is negatively reinforced by the temporary cessation of the problem behavior. This cycle can escalate over time, leading to increasingly intensive aversive procedures.

Acceptance and Commitment Training principles offer a complementary framework for understanding how practitioners can respond to their own reactions to challenging behavior without resorting to aversive control. When practitioners develop psychological flexibility, they are better able to tolerate the discomfort of challenging behavior without engaging in reactive, punitive responses. This self-management dimension is often overlooked in discussions of behavior-reduction procedures but has direct implications for clinical outcomes.

Technology-assisted interventions also play a role in improving behavior-reduction practices. Video-based self-monitoring, app-based data collection with automated prompts for reinforcement delivery, and telehealth supervision can all support practitioners in maintaining fidelity to reinforcement-based approaches, particularly in challenging situations where the temptation to rely on punishment may be strongest.

Ethical Considerations

The ethical obligations surrounding behavior-reduction procedures are among the most clearly articulated in the BACB Ethics Code, and this course provides the conceptual foundation for understanding why those obligations exist and how to fulfill them in practice.

Code 2.15 (Minimizing Risk of Behavior-Change Interventions) establishes that behavior analysts should recommend reinforcement-based procedures before considering punishment-based alternatives. This is not merely a procedural requirement; it reflects the principle that practitioners should minimize the potential for harm in all interventions. When aversive procedures are used, the practitioner must document that reinforcement-based alternatives were considered and found insufficient, and that the potential benefits of the aversive procedure outweigh its risks.

Code 2.01 (Providing Effective Treatment) requires that treatment recommendations be grounded in the best available evidence. Skinner's analysis, as presented in this course, challenges the assumption that aversive procedures represent effective treatment in any comprehensive sense. While aversive consequences may produce immediate behavior suppression, the long-term effects on the client's overall behavioral repertoire, emotional well-being, and relationship with service providers must also be considered. A procedure that suppresses one behavior but generates escape, avoidance, or emotional responding is not truly effective.

Code 2.14 (Selecting, Designing, and Implementing Assessments) is relevant because the decision to use behavior-reduction procedures should be based on thorough functional assessment. If a practitioner implements an aversive procedure without first conducting a functional assessment, they cannot know whether the procedure addresses the maintaining variables for the behavior. An aversive consequence applied to behavior maintained by automatic reinforcement, for example, may suppress the behavior only in the presence of the punishing agent while leaving the underlying motivation unchanged.

Code 1.01 (Being Truthful) requires that practitioners accurately represent the evidence base for their procedures. If a practitioner recommends a punishment procedure, they should be transparent with clients, caregivers, and team members about the potential side effects and limitations, not only the expected reduction in target behavior.

The ethical dimension of how aversive procedures affect the practitioner also deserves attention. Code 3.01 (Responsibility to Clients) establishes that the welfare of the client is the primary consideration. When a practitioner's use of punishment is maintained by negative reinforcement rather than by evidence of client benefit, the practitioner is no longer prioritizing the client's welfare. Recognizing this dynamic is essential for ethical self-monitoring.

Assessment & Decision-Making

Making sound decisions about behavior-reduction procedures requires a structured decision-making framework that incorporates functional assessment data, ethical standards, and the full range of available alternatives. This course provides the conceptual foundation for such a framework, grounded in Skinner's analysis of the limitations of aversive control.

The decision-making process should begin with a comprehensive functional assessment. Before selecting any behavior-reduction procedure, the practitioner must identify the environmental variables maintaining the target behavior. This includes identifying establishing operations that increase the momentary value of the reinforcer maintaining problem behavior, discriminative stimuli that signal reinforcement availability, and the specific consequences that follow the behavior. Without this information, any behavior-reduction procedure is essentially applied in the dark.

Once the maintaining variables are identified, the practitioner should consider whether the problem behavior can be addressed by modifying antecedent conditions. Antecedent interventions, including environmental arrangement, schedule modifications, priming, and noncontingent reinforcement, can often reduce problem behavior without any programmed consequence for the target behavior. These approaches are consistent with Skinner's emphasis on arranging environments that make desired behavior more likely.

If antecedent modifications alone are insufficient, the next step is to consider reinforcement-based consequence procedures. Differential reinforcement procedures, such as differential reinforcement of alternative behavior, differential reinforcement of other behavior, and differential reinforcement of incompatible behavior, systematically increase alternative behavior while allowing the problem behavior to decrease through extinction or reduced reinforcement. These procedures have extensive empirical support and are generally preferred over punishment-based alternatives.

Only after reinforcement-based and antecedent approaches have been thoroughly considered and found insufficient should the practitioner consider procedures involving aversive stimuli. Even then, the decision should be made in consultation with the client or caregiver, documented with a clear rationale, and subject to ongoing review.

Conflict resolution strategies become important when team members disagree about the appropriateness of behavior-reduction procedures. A decision-making framework grounded in Skinner's analysis provides common ground for discussion, shifting the conversation from personal opinions to empirical and theoretical considerations. When a team member advocates for an aversive procedure, the discussion should focus on whether the maintaining variables have been identified, whether reinforcement-based alternatives have been adequately tried, and whether the proposed procedure is consistent with the BACB Ethics Code.

The role of technology in supporting these decisions should also be considered. Data collection tools that provide real-time feedback on the effects of behavior-reduction procedures can help practitioners evaluate whether a given approach is producing the desired outcomes or whether adjustments are needed.

What This Means for Your Practice

This course challenges you to examine your own default approaches to behavior reduction. If your first instinct when faced with challenging behavior is to consider what consequence to apply, this course offers an alternative perspective rooted in Skinner's original analysis.

Begin by reviewing your current caseload and identifying any cases where punishment-based procedures are in use. For each case, ask whether a comprehensive functional assessment has been conducted, whether reinforcement-based alternatives have been systematically tried, and whether the current procedure is producing lasting behavior change or merely temporary suppression. If the answers raise concerns, use the framework from this course to guide a reassessment.

Pay attention to the effects of your procedures on the therapeutic relationship. If clients show signs of escape or avoidance when you arrive for sessions, this may indicate that your presence has become associated with aversive stimulation. Conversely, if clients approach you readily and engage enthusiastically in sessions, this suggests that your approach is functioning as a conditioned reinforcer.

Consider your own emotional responses to challenging behavior. If you find yourself feeling frustrated, depleted, or resentful after sessions involving problem behavior, this may indicate that a coercive cycle has developed. Acceptance and Commitment Training principles can help you develop the psychological flexibility to respond to challenging situations with clinical precision rather than emotional reactivity.

Finally, use this course as an opportunity to advocate within your organization for policies that prioritize reinforcement-based approaches. Systemic change requires more than individual commitment; it requires organizational structures that support ethical practice.