Beyond Behaviour

The Power of Behavioural Momentum: Engineering Success in Any Environment

Tue, 17 Feb 2026 11:48:49 GMT

Leveraging behavioural science to build resilience and drive consistent performance across clinical and corporate settings.

In physics, momentum is the product of an object's mass and its velocity. In human behaviour, it is the secret to resilience and productivity. Whether you are a clinical practitioner, a team lead, or a CEO overseeing a multinational corporation, understanding the mechanics of behavioural momentum is essential for driving sustainable performance.

What is Behavioural Momentum?

The concept, rooted in Behavioural Momentum Theory (Nevin & Shahan, 2011), suggests that a behaviour becomes more resistant to disruption when it has a dense history of frequent reinforcement. This resistance is often described as behavioural mass.

Think of a train moving at high speed. Because of its momentum, it can easily push through small obstacles on the tracks. Similarly, when a person—or an entire organisation—is in a flow state of high reinforcement and frequent "wins," they are far less likely to be derailed by a sudden challenge or a difficult new demand.

Strengthening the Foundation: The High-p Sequence

In any setting, we apply this theory using the high-probability (high-p) request sequence . This is a proactive strategy that builds a "rhythm of success" before introducing a more complex or less preferred task (a "low-p" request).

For the Practitioner: Enhance your own clinical productivity by auditing your daily workflow. If you find yourself procrastinating on a complex report, start your morning by completing three to five high-p tasks—quick administrative wins like responding to a straightforward email or updating a simple data sheet. This creates a "momentum of achievement" that makes transitioning into deep, analytical work feel significantly less taxing.
For the Team Lead: Deliver immediate reinforcement for initial successes to build the "mass" required to carry the team through harder projects. Research indicates that this sequence significantly reduces disengagement because the momentum of success is already established (Fisher et al., 2018).
For the Executive: Start a high-stakes board meeting by highlighting significant departmental wins and achieved milestones. This establishes a collective sense of efficacy before addressing complex strategic pivots or budget reallocations.

Strategic Benefits for Leadership

From a leadership perspective, behavioural momentum is about cultural stability and setting people up to win.

Risk Mitigation: Organisations with high behavioural momentum are more resilient during periods of change, such as mergers or restructures.
Efficiency: By reducing the friction associated with difficult demands, you decrease the time spent on conflict resolution and increase the time spent on innovation.
Engagement: A high rate of reinforcement creates an environment where individuals feel valued. This directly impacts retention and morale by focusing on what is working well.

Moving from Management to Momentum

Traditional management often focuses on reacting to problems. Behavioural momentum allows us to be architects of success. By intentionally structuring environments and interactions to provide frequent, meaningful reinforcement, we create a force that naturally overcomes obstacles.

When we focus on building momentum, we move away from "managing" behaviour and toward facilitating achievement . It is a grounded, fact-based approach that ensures individuals and organisations do not just start strong, but stay strong.

References

Fisher, W. W., Greer, B. D., Fuhrman, A., Saini, V., & Simmons, C. (2018). Minimising resurgence of destructive behaviour using behavioural momentum theory. Journal of Applied Behaviour Analysis, 51(4), 831–853.

Nevin, J. A., & Shahan, T. A. (2011). Behavioural momentum theory: Equations and applications. Journal of Applied Behaviour Analysis, 44(4), 877–895.

Keeping Our technical focus in PBS and ABA

Thu, 22 Jan 2026 10:58:20 GMT

Understanding Schedules of Reinforcement

As part of our ongoing commitment to professional development and technical precision, this month we are exploring the mechanics behind why certain behaviours persist. In Positive Behaviour Support (PBS), we strive to understand the context of an individual’s actions. While our initial assessments often focus on identifying the specific reinforcer maintaining a behaviour, the rate and predictability of that reinforcement—known as the schedule—is what truly determines the strength and durability of the response.

Recognising the Schedule in the Natural Environment

When we first observe a child in their natural setting, we are often walking into a situation where a behaviour of unmet need is already being maintained by a complex, unplanned schedule. In a controlled setting, we might see continuous reinforcement where every single response is reinforced. However, the real world is rarely that consistent. Most behaviours we encounter are maintained on intermittent schedules.

A common challenge in PBS practice is the variable ratio schedule. This occurs when reinforcement is delivered after an unpredictable number of responses. In a home environment, this might look like a child seeking a parent’s attention; they might be ignored several times, but eventually, the parent responds. Because the reinforcement is unpredictable, the behaviour becomes incredibly resistant to change. This persistence is a hallmark of intermittent reinforcement, where the uncertainty of when the payoff will occur actually strengthens the behaviour over time.

Designing Strengths-Based Interventions

Understanding these schedules allows us to move beyond reactive strategies and instead design interventions that lean into a family’s existing strengths. When we introduce a functional replacement behaviour, such as a specific vocal request or a gesture, we are essentially competing with an established, high-strength history of reinforcement. This is where the principles of Applied Behaviour Analysis (ABA) provide a clear framework for change, always through a lens of ethics and social validity.

By utilising differential reinforcement of alternative behaviour (DRA), we can systematically reinforce a new communicative skill while placing the previous behaviour of concern on a much leaner schedule or extinction. In the early stages of teaching a replacement skill, we use a continuous schedule to ensure the child experiences immediate success. As noted by Tiger, Hanley, and Bruzek (2008) in their work on functional communication training, the replacement behaviour must be more reliable and require less effort than the behaviour it is intended to replace. This focus on efficiency ensures that the intervention is socially valid and meaningful for the child's daily life.

Another powerful tool in our toolkit is Noncontingent Reinforcement (NCR). This involves delivering the maintaining reinforcer on a fixed or variable time schedule, regardless of the child's behaviour. A seminal study by Vollmer et al. (1993) demonstrated that by providing attention on a dense, response-independent schedule, practitioners could significantly reduce the motivation for a child to engage in problem behaviour to access that same reinforcer. By proactively meeting the need, the variable schedule previously in place is neutralised. This affirming approach prioritises the individual's dignity and overall quality of life by ensuring their needs are met before they even have to ask.

Moving Toward Sustainability

Once a new skill is firmly established or a behaviour is stabilised through NCR, we can begin the process of schedule thinning. This involves gradually moving from continuous to intermittent reinforcement, such as a variable interval schedule. On a variable interval schedule, reinforcement is available for the first correct response following an unpredictable duration of time.

This transition helps the skill generalise to the natural environment and ensures that the family can maintain progress without needing to reinforce every single instance of the behaviour indefinitely. By carefully managing these transitions, we ensure our interventions are both scientifically robust and practically sustainable. Ultimately, our goal in combining the precision and the values of our discipline is to foster sustainable agency and an enriched quality of life for the people we support.

Dr. Deirdre Kearney

Principal Behavioural Psychologist

The Behaviour Clinic

22nd January 2026

References

Cooper, J. O., Heron, T. E., and Heward, W. L. (2020). Applied Behavior Analysis. 3rd edn. Harlow: Pearson Education.

Tiger, J. H., Hanley, G. P., and Bruzek, J. L. (2008). ‘Functional Communication Training: A Review and Practical Guide’, Behavior Analysis in Practice, 1(1), pp. 16–23.

Vollmer, T. R., Iwata, B. A., Zarcone, J. R., Smith, R. G., and Mazaleski, J. L. (1993). ‘The role of attention in the treatment of attention-maintained self-injurious behavior: Noncontingent reinforcement and differential reinforcement of other behavior’, Journal of Applied Behavior Analysis, 26(1), pp. 9–21.

The Art of Small Steps – Demystifying 'Shaping'

Wed, 26 Nov 2025 14:39:54 GMT

Celebrating Progress, Not Just Perfection: How to Build Skills and Confidence Step by Step

Welcome back to our series on the core concepts of Positive Behaviour Support (PBS).

So far, we have looked at Differential Reinforcement (watering the flowers, not the weeds) and Motivating Operations (understanding how the environment drives desire). We also know that all behaviour serves a Function. But here is a common challenge we face in schools, centres, and homes across Ireland: We know what skill we want to teach, and the person is motivated, but the leap is just too big. If we wait for the "perfect" behaviour to happen before we praise it, we might be waiting forever. This is where our third concept comes in: Shaping.

What is Shaping?

In simple terms, Shaping is the process of reinforcing successive approximations towards a target behaviour. Think of it like teaching a child to speak. When a toddler points to a bottle and says "Ba," we don't say, "Actually, it’s pronounced 'Bottle', come back to me when you have the full syntax."No, we celebrate the "Ba!" We give them the bottle. Over time, "Ba" becomes "Baba," which becomes "Bottle."

In a strength-based PBS approach, Shaping is about meeting the person exactly where they are. It is the opposite of "sink or swim." It is building a bridge, plank by plank, so the learner can cross safely without anxiety or failure.

Why is this Strength-Based?

Old-school methods often focused on compliance: "Do the task perfectly, or you don't get the reward." Shaping flips this. It focuses on success. By breaking a skill down into tiny, manageable steps, we ensure the person wins often. This keeps the "density of reinforcement" high. When a learner feels successful, they feel safe, capable, and willing to try the next step.

The Science: What the Research Says

Recent research in the last five years has shifted the focus of shaping from simple "mechanics" to a tool for compassionate care and assent.

Errorless Learning & Confidence: A study by Leaf et al. (2022) emphasises that teaching procedures should minimise errors. When we shape a behaviour correctly, the learner shouldn't be making constant mistakes. If they are failing, the "step" we created is too big. The fault lies with the teaching plan, not the learner.

Tolerating Delays (The Hanley Approach): In the PFA/SBT (Practical Functional Assessment/Skill-Based Treatment) models championed by Greg Hanley and colleagues (research ongoing through 2024), shaping is used to teach tolerance. We don't demand a student works for 20 minutes immediately. We shape it: first, they tolerate 5 seconds of work, then 10, then 30. This respects their threshold and prevents the "fight or flight" response.

Neurodiversity-Affirming Practice: Recent commentary in JABA (2023) suggests that shaping allows for "assent-based" practice. By asking for only a small approximation, we can easily see if the learner is withdrawing assent (stopping). If they stop, we drop the requirement lower. It respects their "No."

How to Implement Shaping Effectively

You don't need a clipboard and a stopwatch to use shaping. You just need a mindset shift.

1. Define the "Target" (The Destination)

What is the end goal?

Example: Putting on a coat independently.

2. Identify the "Initial Behaviour" (The Starting Point)

What can they do right now, on their worst day?

Example: They can put one arm in a sleeve if you hold the coat.

3. Determine the Steps (The Ladder)

Break it down.

Step 1: Arm in sleeve (You hold coat). Reinforce!
Step 2: Arm in sleeve + pull up to shoulder. Reinforce!
Step 3: Arm in sleeve + pull up + find second sleeve. Reinforce!

4. The Golden Rule: Only reinforce the new step

Once Step 1 is mastered, we stop throwing a party for Step 1. We look for Step 2. This gently "nudges" the behaviour forward.

Summary

Shaping is about patience. It acknowledges that progress isn't a straight line and that big skills are just a pile of little skills stacked on top of each other. By validating the effort and the approximation, we build confidence. And as we know in PBS, a confident, regulated learner is a happy learner.

References

Leaf, J. B., et al. (2022). Compassionate Care in Behavior Analytic Treatment: Can Outcomes be Enhanced by Attending to Relationships? Behavior Analysis in Practice.

Rajaraman, A., et al. (2022). Trauma-Informed Applications of Behavior Analysis. Journal of Applied Behavior Analysis.

Slaton, J. D., & Hanley, G. P. (2023). Practical Functional Assessment and Skill-Based Treatment. In Handbook of Applied Behavior Analysis.

Beyond Behaviour

The Power of Behavioural Momentum: Engineering Success in Any Environment

Leveraging behavioural science to build resilience and drive consistent performance across clinical and corporate settings.

What is Behavioural Momentum?

Strengthening the Foundation: The High-p Sequence

Strategic Benefits for Leadership

Moving from Management to Momentum

Keeping Our technical focus in PBS and ABA

﻿ Understanding Schedules of Reinforcement

Recognising the Schedule in the Natural Environment

Designing Strengths-Based Interventions

Moving Toward Sustainability

References

The Art of Small Steps – Demystifying 'Shaping'

Celebrating Progress, Not Just Perfection: How to Build Skills and Confidence Step by Step

Understanding Schedules of Reinforcement