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

Training Others to Teach Social Skills: Preparing Interventionists for Progressive Social Skills Instruction with Autistic Learners

Overview & Clinical Significance

Incorporating social skills development into the curriculum for individuals with autism spectrum disorder (ASD) is not a supplementary concern — it is central to the intervention mission. Social skill deficits are among the defining characteristics of ASD and among the most significant predictors of long-term outcomes in areas including peer relationships, educational inclusion, employment, and quality of life. Despite this significance, social skills instruction is often implemented inconsistently, incompletely, or by staff who lack the specific competencies needed to teach these skills effectively.

The problem is not simply that staff need more training. It is that social skills instruction requires a particular combination of clinical knowledge, behavioral repertoires, and interactional skills that are distinct from the competencies required for other types of behavioral intervention. An interventionist who is highly competent in running discrete trial training programs for language or academic skills may be significantly less equipped to structure a naturalistic social skills interaction, deliver nuanced social reinforcement, or implement the teaching interaction procedure with the fluency and warmth required for effective social skills instruction.

This course addresses exactly this gap by examining what skills are needed by the interventionist in order to teach social skills effectively, and what training procedures can develop those skills. Dr. Leaf presents a framework drawn from progressive ABA principles, identifying the specific interventionist competencies that most directly predict successful social skills outcomes and describing how those competencies can be systematically developed through structured training.

For BCBAs who supervise, train, or consult with staff providing social skills instruction, this course provides a practical and evidence-grounded foundation for improving the quality and consistency of social skills service delivery.

Background & Context

Social skills instruction for individuals with ASD has a rich history within applied behavior analysis, drawing on procedures including discrete trial instruction, behavioral skills training, naturalistic teaching, video modeling, social stories, the teaching interaction procedure, and the cool versus not cool procedure. Each of these approaches has an empirical literature supporting its use for specific social targets and learner profiles, and each places different demands on the interventionist implementing it.

The progressive ABA framework for social skills instruction integrates naturalistic and structured approaches, prioritizes learner motivation and preference, attends to the social validity of targets, and emphasizes clinical judgment in implementation. This integration requires interventionists who are not simply protocol followers but clinical practitioners who can flexibly apply behavioral principles across the variable contexts of social interaction.

Research on interventionist competencies in social skills instruction has identified several skill clusters that are particularly predictive of instructional quality: the ability to establish and maintain learner motivation, the ability to deliver socially reinforcing feedback that is sincere and context-appropriate, the ability to implement structured procedures like the teaching interaction procedure with fidelity and naturalness, and the ability to read and respond to learner engagement in the moment.

Training interventionists in these competencies is more complex than training procedural adherence because many of these skills involve subtle behavioral topographies — the timing of a smile, the warmth of a vocal tone, the precision of a reinforcer delivery — that are difficult to specify in procedural manuals but that significantly influence learner outcomes in social skills instruction contexts.

Clinical Implications

For BCBAs overseeing social skills programs, the clinical implication of this course is that interventionist training for social skills instruction requires specific, targeted competency development — not simply exposure to social skills curricula. A staff member who has read a social skills manual or observed social skills sessions has not necessarily acquired the interventionist competencies needed to deliver effective social skills instruction.

The clinical implication for social skills program design is that the interventionist's behavioral repertoire is itself a treatment variable. Just as antecedent conditions, reinforcement schedules, and consequence delivery are treatment variables that the behavior analyst controls and monitors, the quality of the interventionist's instructional behavior is a variable that determines the effectiveness of social skills intervention. Treating it as such means measuring it, analyzing it, and adjusting it through training and feedback.

Practitioners should assess which interventionist competencies are currently in place and which are deficit areas for their specific team, then prioritize training based on the gap analysis. If data show that reinforcer delivery in social skills sessions is imprecise or delayed, that becomes a training target. If fidelity data show that the teaching interaction procedure is being implemented with steps out of sequence or missing, that becomes a training target. Specific, data-driven identification of training needs produces more efficient skill development than generic social skills training workshops.

The course also highlights the relevance of social stories and the teaching interaction procedure as specific methods for teaching social skills. BCBAs should ensure that all staff implementing these procedures have demonstrated competency in their use, including understanding the rationale for each component, the implementation sequence, and the error correction procedures specific to each method.

Ethical Considerations

Under BACB Ethics Code 5.04, supervisors are responsible for ensuring that supervisees acquire the competencies needed to provide effective behavior analytic services. For social skills instruction, this means that BCBAs who supervise staff delivering social skills programming bear ethical responsibility for the quality of those staff members' instructional behavior. If a supervisee is implementing social skills instruction with significant procedural errors or without the interactional competencies required for effective instruction, the supervisor must address this through additional training, supervision, and competency verification.

Code 1.01 requires behavior analysts to act with beneficence toward clients — to actively promote their welfare. For autistic individuals, social skills development is a high-priority welfare concern, and instruction delivered by inadequately trained interventionists fails to serve client welfare. The ethical obligation extends beyond program design to include ongoing monitoring of implementation quality and the provision of training support when quality falls short.

Code 2.09 requires that services be individualized based on client assessment. Social skills instruction that is not individualized to the specific skill profile, interests, and social goals of each learner does not meet this standard, even if the procedure itself is evidence-based. Training interventionists to individualize social skills instruction — to select targets based on assessment, to adjust procedures based on learner response, and to maintain the social validity of the curriculum — is therefore an ethical imperative for BCBAs overseeing social skills programs.

Finally, the use of social stories and the teaching interaction procedure raises considerations about accurate representation of evidence. BCBAs should not overstate the evidence base for either procedure or present them as equivalent to empirically validated approaches without acknowledging their relative evidentiary standing. Code 6.01 requires honest representation of the evidence base when discussing treatments with clients, caregivers, and colleagues.

Assessment & Decision-Making

Assessing interventionist competency in social skills instruction requires observation-based tools that capture both procedural fidelity and interactional quality. Standard fidelity checklists can capture whether procedure steps are completed in the correct sequence, but they may miss the quality dimensions — reinforcer sincerity, instructional pacing, responsiveness to learner cues — that most directly affect social skills outcomes. BCBAs should use multi-dimensional assessment tools that evaluate both procedural adherence and interactional competencies.

Baseline assessment of each interventionist's current social skills instructional repertoire allows the supervisor to identify specific training targets rather than providing generic social skills training to all staff. An interventionist who already implements the teaching interaction procedure with high fidelity but delivers social reinforcement with poor timing needs a different training program than one who is unfamiliar with the procedure entirely.

Decision-making about which social skills instructional procedures to use with which learners should be driven by learner assessment data. BCBAs should ensure that social skills assessments are comprehensive enough to identify not just which social behaviors are absent but which instructional contexts and procedures are most likely to be effective for each learner. Assessment tools such as social skills preference assessments, naturalistic observation of peer interactions, and structured social skills probes provide the data needed to make individualized instructional decisions.

Progress monitoring for social skills instruction should include both within-session performance data and naturalistic generalization data. A learner who performs accurately in structured instructional sessions but does not demonstrate the skills in naturalistic social settings requires a different programming response than one who demonstrates generalization from early in the intervention. Regular generalization probes across settings, partners, and times of day should be built into the assessment plan from the start.

What This Means for Your Practice

BCBAs who want to improve the quality of social skills instruction in their programs should start by auditing the competencies of the staff delivering that instruction. Rather than focusing exclusively on the social skills curriculum — which procedures are in place, which targets are included — practitioners should attend equally to the interventionist behaviors that determine whether those procedures are delivered effectively.

Developing a competency-based social skills training curriculum for your team involves identifying the specific interventionist skills that most directly predict client outcomes, creating behavioral definitions of those skills that are observable and measurable, and designing training experiences that develop each skill through instruction, modeling, rehearsal, and feedback. This curriculum should be reviewed and updated as evidence on social skills instruction evolves.

The comparison between social stories and the teaching interaction procedure discussed in this course provides a model for how BCBAs can make evidence-based decisions about procedure selection. Understanding the comparative evidence for different social skills instructional approaches allows practitioners to match procedures to learners with greater precision rather than defaulting to a single method for all social skills targets and all learner profiles.

Practitioners should also invest in creating training materials that interventionists can reference during and after training — video models of skilled social skills instruction, procedural guides with behavioral definitions, decision trees for common clinical situations, and worked examples of how to adapt procedures for individual learners. These materials extend the impact of formal training sessions and support maintenance of trained skills over time.