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

Moral Behavior and the Development of Verbal Regulation: A Behavior-Analytic Perspective

Overview & Clinical Significance

The intersection of moral behavior and verbal regulation represents one of the most philosophically rich and practically relevant areas within behavior analysis. This course examines the relationship between the development of moral behavior and the emergence of verbal regulatory processes, drawing upon relational frame theory (RFT) as the primary conceptual framework. For behavior analysts, understanding how moral behavior develops through verbal processes is not merely an academic exercise but a clinically significant endeavor that shapes how we approach socially significant behaviors across the lifespan.

Moral behavior, from a behavior-analytic perspective, is not an innate trait or a fixed characteristic of the individual. Rather, it is a class of operant behavior that is shaped by the social and verbal community. This perspective stands in contrast to traditional developmental psychology models that posit stages of moral reasoning as largely cognitive or maturational phenomena. The behavior-analytic account instead examines the environmental contingencies and verbal processes that give rise to what the broader culture labels as moral conduct.

Behavior analysts routinely work with individuals whose behavior is evaluated by others in moral terms, whether it involves aggression, deception, cooperation, sharing, or rule-following. Understanding the behavioral mechanisms underlying these repertoires allows practitioners to design more effective interventions that go beyond simple compliance training and instead build genuinely flexible, values-consistent behavioral repertoires.

Relational frame theory provides the conceptual bridge between basic behavioral principles and the complexity of moral behavior. RFT posits that humans learn to relate stimuli in derived ways, going beyond direct training to generate novel relational responses. This capacity for derived relational responding is what allows humans to follow rules they have never been directly taught, to evaluate their own behavior against abstract standards, and to respond to verbally constructed consequences that may never occur in the physical environment.

For practicing BCBAs, this course offers a framework for understanding why certain clients struggle with social and moral reasoning, how verbal deficits may underlie difficulties in perspective-taking and empathy, and what intervention strategies might be derived from an RFT-informed understanding of moral development. The implications extend across populations, from young children developing their first rule-governed repertoires to adults navigating complex social and ethical landscapes.

The relevance to ethics is particularly noteworthy. As behavior analysts, we are tasked with promoting socially significant behavior change. When that change involves what society considers moral behavior, we must be thoughtful about the mechanisms we employ. Teaching rote compliance to rules is fundamentally different from building flexible verbal repertoires that allow individuals to derive appropriate behavior across novel contexts. This distinction has profound implications for the durability and generalization of our interventions.

Background & Context

The study of moral behavior has a long history across multiple disciplines, but the behavior-analytic account offers a uniquely functional perspective. Traditional approaches to moral development, such as those proposed in cognitive developmental psychology, describe moral reasoning as progressing through invariant stages tied to cognitive maturation. The behavior-analytic perspective does not deny that behavioral complexity increases over the lifespan but attributes this change to an expanding verbal repertoire and increasingly sophisticated derived relational responding rather than to cognitive structures.

Relational frame theory emerged as an extension of stimulus equivalence research. Stimulus equivalence demonstrated that when individuals are taught a set of conditional discriminations (for example, A relates to B and B relates to C), they can derive untrained relations (C relates to A, A relates to C) without explicit instruction. RFT expanded this observation by proposing that derived relational responding is not limited to equivalence relations but encompasses multiple relational frames, including opposition, comparison, hierarchy, temporality, conditionality, and deictic or perspective-taking frames.

The connection to moral behavior becomes apparent when we consider what moral reasoning requires. An individual must be able to take the perspective of another person (deictic framing), compare outcomes across different courses of action (comparative framing), understand temporal consequences (temporal framing), and derive rules that govern behavior in the absence of immediate contingencies (rule-governed behavior). Each of these capacities is a product of verbal training within a social community.

Historically, behavior analysis faced criticism for its perceived inability to account for complex human behavior such as morality, creativity, and self-awareness. The development of RFT addressed many of these criticisms by providing a behavioral account of how language and cognition give rise to behavioral complexity. The analysis of moral behavior through an RFT lens demonstrates that behavior analysis need not reduce moral conduct to simple contingency-shaped behavior but can account for the full richness of human moral life while remaining firmly within a natural science framework.

The verbal community plays a central role in moral development. It is through social interaction that children learn to relate events in moral terms. The verbal community teaches frames of evaluation (good versus bad, right versus wrong), frames of perspective (how would you feel if someone did that to you), and frames of conditionality (if you take something without asking, then the other person will be upset). These verbal relations, once established, participate in complex relational networks that generate novel moral behavior in untrained situations.

This framework also helps explain individual differences in moral behavior. Individuals with limited verbal repertoires, whether due to developmental delays, inadequate social learning histories, or other factors, may exhibit what appears to be immoral behavior not because of a character deficit but because of a skills deficit. This reframing has direct clinical implications: rather than punishing moral transgressions, we can build the verbal repertoires that support moral conduct.

The course situates these ideas within the broader context of behavior-analytic practice, making the case that moral development is not outside the scope of our discipline but is in fact one of its most important applications.

Clinical Implications

The clinical implications of understanding moral behavior through the lens of verbal regulation are far-reaching and affect multiple domains of behavior-analytic practice. Perhaps most fundamentally, this framework shifts the practitioner's focus from eliminating undesirable behavior to building the verbal repertoires that naturally give rise to prosocial and morally appropriate conduct.

When working with children who exhibit behaviors that the social community labels as immoral, such as lying, stealing, or aggression toward peers, the RFT-informed practitioner asks a different set of questions than a practitioner focused solely on contingency management. Instead of simply asking what consequences will reduce the behavior, the RFT-informed practitioner asks what verbal repertoires are missing that would support more appropriate behavior. Can this child take the perspective of the person affected by their behavior? Can they derive the temporal consequences of their actions? Can they follow rules that specify contingencies beyond their immediate experience?

Perspective-taking, or deictic relational responding, is particularly critical. Research within the RFT framework has demonstrated that perspective-taking can be trained through systematic exercises involving I-you, here-there, and now-then relations. For children who struggle with empathy or fail to consider the impact of their behavior on others, targeted training in deictic framing may be more effective than traditional social skills training that relies on rote scripts.

Rule-governed behavior is another domain where this framework has direct clinical application. Moral behavior in human societies is largely rule-governed rather than contingency-shaped. We follow rules about honesty, fairness, and respect even when the immediate contingencies might favor other behavior. The ability to follow rules depends on a history of verbal training in which rule-following has been reinforced and in which the individual has learned to derive the consequences specified by rules. For clients who appear to be insensitive to social rules, assessment of their rule-governed behavior repertoire may reveal specific deficits that can be addressed through targeted intervention.

The framework also has implications for working with individuals on the autism spectrum who may struggle with the social dimensions of moral behavior. Difficulties in perspective-taking, flexibility in responding, and understanding complex social contingencies are well-documented in this population. Rather than attributing these difficulties to a core cognitive deficit, the RFT perspective suggests they reflect specific deficits in derived relational responding that can be systematically addressed.

For practitioners working in organizational settings, the implications extend to staff training and supervision. Ethical behavior among staff members is itself a form of moral behavior that is verbally regulated. When staff members understand not just the rules but the relational networks that give those rules meaning, they are better equipped to apply ethical principles flexibly across novel situations rather than following them rigidly in trained contexts only.

Finally, this framework has implications for how we assess moral development and moral behavior. Traditional assessments of moral reasoning often rely on verbal report and may not capture the functional verbal repertoires that actually govern behavior in context. A behavior-analytic approach to assessment would examine the individual's derived relational responding across relevant frames, their sensitivity to rule-governed contingencies, and the flexibility of their verbal repertoire in moral domains.

Ethical Considerations

The topic of moral behavior and verbal regulation carries significant ethical weight for behavior analysts. The BACB Ethics Code for Behavior Analysts (2022) provides the professional framework within which these issues must be navigated, and several specific codes are directly relevant.

Code 2.01 (Providing Effective Treatment) requires behavior analysts to prioritize evidence-based treatments that are conceptually consistent with behavior-analytic principles. When addressing behaviors that the social community frames in moral terms, practitioners must ensure that their interventions are grounded in behavioral science rather than in folk psychological notions of morality. This means that interventions targeting lying, aggression, noncompliance, or other behaviors should be based on functional assessment and an understanding of the verbal and environmental contingencies maintaining those behaviors, not on assumptions about the client's moral character.

Code 1.07 (Cultural Responsiveness and Diversity) is particularly relevant when working in the domain of moral behavior. What constitutes moral behavior varies across cultures, communities, and families. A behavior analyst must be careful not to impose their own moral framework on clients and families. Instead, the focus should be on building verbal repertoires that allow individuals to navigate the moral expectations of their own communities. This requires collaboration with families and stakeholders to identify the values and expectations that are relevant to the client's social context.

Code 2.14 (Selecting, Designing, and Implementing Behavior-Change Interventions) directs behavior analysts to select interventions that are least restrictive and most likely to produce lasting, generalizable change. In the context of moral behavior, this supports the use of constructive approaches that build verbal and relational repertoires over punitive approaches that suppress behavior without building replacement skills. Teaching perspective-taking and flexible rule-following is consistent with this code's emphasis on client welfare and long-term outcomes.

Code 3.01 (Behavior-Analytic Assessment) requires that behavior analysts conduct assessments appropriate to the scope of the problem. When moral behavior is the target, this means assessing not just the topography of the behavior but the underlying verbal repertoires, including the client's capacity for derived relational responding, perspective-taking, and rule-governance. A functional understanding of moral behavior demands a thorough assessment of these verbal processes.

Code 2.15 (Minimizing Risk of Behavior-Change Interventions) is relevant because interventions targeting moral behavior carry inherent risks. Teaching compliance without building understanding can create rigid repertoires that leave individuals vulnerable to exploitation. Conversely, interventions that are insufficiently structured may fail to establish the verbal regulatory processes needed for appropriate moral conduct. The practitioner must carefully calibrate interventions to minimize these risks.

Code 1.05 (Independence and Professional Judgment) reminds behavior analysts to exercise independent judgment and avoid undue influence from nonscientific sources. This is particularly important in the domain of moral behavior, where strong opinions from families, schools, religious institutions, and other stakeholders may not align with behavioral science. The practitioner must navigate these pressures while maintaining a scientifically grounded approach.

There is also a broader ethical consideration about the role of behavior analysts in shaping moral behavior. The power to influence another person's moral development is significant, and practitioners must approach this work with humility, transparency, and a deep respect for client autonomy. The goal should not be to create individuals who conform to a particular moral code but to build the verbal and relational repertoires that allow individuals to participate fully and flexibly in their moral communities.

Assessment & Decision-Making

Assessing moral behavior and verbal regulatory processes requires behavior analysts to go beyond traditional ABC (antecedent-behavior-consequence) analyses and consider the verbal and relational repertoires that underlie complex social behavior. A comprehensive assessment framework for moral behavior should address multiple levels of analysis.

The first level of assessment involves identifying the specific moral behaviors of concern. This requires collaboration with stakeholders to define the target behaviors in observable, measurable terms. What does the verbal community consider moral or immoral in this context? What specific behaviors are expected, and what behaviors are considered problematic? It is essential that these definitions are grounded in the client's actual social environment rather than in abstract moral principles imposed by the practitioner.

The second level of assessment examines the contingencies currently maintaining the behavior. Traditional functional assessment methods, including functional behavior assessment and functional analysis, remain valuable here. Is the behavior maintained by social reinforcement, escape from demands, access to tangibles, or automatic reinforcement? Understanding these contingencies provides the foundation for any intervention, whether the target is a behavior labeled as aggressive, deceptive, or noncompliant.

The third level of assessment, and the one most directly informed by the RFT framework, involves evaluating the individual's verbal and relational repertoires. This includes assessing the individual's capacity for derived relational responding across relevant relational frames. Can the individual engage in perspective-taking (deictic framing)? Can they derive comparative relations (this action would hurt more than that action)? Can they engage in temporal framing (if I do this now, the consequence later will be)? Can they follow rules that specify contingencies beyond their direct experience?

Several assessment tools and protocols have been developed within the RFT tradition that may be useful in this context. The Implicit Relational Assessment Procedure (IRAP) can reveal implicit relational responses that may not be captured by direct verbal report. Protocols for assessing perspective-taking skills can identify specific deficits in deictic framing. Assessments of rule-governance can reveal whether the individual is capable of following verbally specified contingencies.

Decision-making in this domain requires the practitioner to weigh several factors. First, what is the most immediate concern: is there a safety issue that requires rapid intervention, or is the goal longer-term development of moral reasoning? If safety is the primary concern, contingency-based interventions may be needed in the short term even as verbal repertoire building proceeds in the background.

Second, the practitioner must consider the developmental level and verbal capacity of the individual. For individuals with limited verbal repertoires, building foundational relational responding may be a prerequisite to addressing moral behavior directly. For individuals with more advanced verbal skills, the focus may shift to building flexibility and generalization in existing moral reasoning repertoires.

Third, the practitioner must consider the social and cultural context. Moral expectations vary across settings and communities, and the practitioner must ensure that interventions support the individual's participation in their own community rather than imposing external standards.

Data collection for moral behavior interventions should include both direct behavioral measures (frequency, duration, and latency of target behaviors) and measures of verbal repertoire development (performance on relational responding assessments, generalization probes in novel moral scenarios). This dual-track assessment approach allows the practitioner to evaluate whether changes in behavior are accompanied by genuine changes in the underlying verbal processes, or whether they reflect only superficial compliance.

What This Means for Your Practice

For practicing behavior analysts, this course offers a significant reframe of how we think about and approach behaviors that society labels in moral terms. Rather than viewing moral behavior as outside the scope of behavior analysis or reducing it to simple rule-following, the RFT framework provides tools for understanding and building the complex verbal repertoires that underlie moral conduct.

The most immediate practical takeaway is the shift from consequence-focused interventions to repertoire-building interventions. When a client engages in behavior that is considered morally problematic, the RFT-informed practitioner asks not just how to reduce the behavior but what verbal skills are missing. This shifts the focus to teaching perspective-taking, rule-following, temporal reasoning, and other verbal repertoires that naturally give rise to prosocial behavior.

For practitioners working with children on the autism spectrum, this framework suggests that many of the social and moral difficulties these children face may be addressed through systematic training in derived relational responding. Rather than teaching social scripts that may not generalize, practitioners can target the underlying relational frames that allow flexible moral behavior across novel situations.

For those in supervisory roles, this course highlights the importance of building ethical reasoning in supervisees that goes beyond rote memorization of the ethics code. Helping supervisees develop flexible verbal repertoires for ethical decision-making, including perspective-taking and conditional reasoning, will serve them better than simply teaching them to follow rules.

The key message is this: moral behavior is behavior, and it is subject to the same principles and processes as all other behavior. What makes it unique is the extent to which it is verbally regulated. By understanding and targeting the verbal processes that underlie moral conduct, behavior analysts can make meaningful contributions to an area of human behavior that has historically been considered outside our domain.