Change the Environment. Then Behavior Changes.
Think Function applies the science of behavior analysis to the environments where people live, learn, work, lead, and interact.
We don’t start by asking:
“How do we change this person?”
We ask:
“What is happening in the environment that causes this behavior to occur?”
Because environment dictates behavior.
Change the environment, and behavior changes with it.
The environment is the intervention.
Behavior does not begin with the person.
It develops and continues within an environment that is constantly shaping what happens next.
Expectations, routines, interactions, resources, demands, access, consequences, reinforcement, timing, people, policies, and the way an environment is organized all influence behavior.
Sometimes the environment supports the behavior we want.
Sometimes it produces the exact behavior everyone is trying to stop.
Think Function identifies what the environment is producing and determines what needs to change.
What the environment reinforces, continues.
Think Function’s Philosophy
- Environment dictates behavior.
- First us, then them. Before asking someone else to behave differently, we examine the environment we have created around them.
- Labels do not dictate behavior. A diagnosis, job title, age, role, or classification does not explain why behavior occurs.
- Function is embedded in the environment. It does not have to be obvious, dramatic, or reduced to a simple explanation.
- What the environment reinforces, continues.
- Behavior cannot be separated from the environment in which it occurs.
- Implementation determines whether an idea becomes behavior.
- The environment must support the behavior it expects.
- Effective environments make desired behavior easier to perform, reinforce, and sustain.
- Independence is built through environments that support successful behavior without creating unnecessary reliance on other people.
Behavior science made practical. Made for everyone.
Environment First.
We begin with the environment. Not the diagnosis. Not the label. Not the assumption that the person is the problem.
We examine what the environment is producing and what it continues to reinforce.
First Us. Then Them.
Before expecting different behavior from a child, student, employee, team, family member, or organization, we look at what the people surrounding that behavior are doing — and what their environment makes possible.
The question is not simply, “What should they do differently?” It is, “What needs to be different around them for different behavior to occur?”
Function Is Already There.
Function does not have to be obvious. It is embedded in the relationship between behavior and the environment around it.
What is reinforced continues. What consistently works for a person is likely to be repeated. Our work begins by understanding that relationship.
Implementation Matters.
An idea has no value if it cannot be implemented where behavior actually occurs.
Whether the environment is a classroom, organization, workplace, home, or community, recommendations must function under real-world demands.
Designed to Continue.
Think Function creates practical environments and implementation systems that people can continue using after consultation ends.
Four ways in
Schools & district leaders
Move from reactive behavior management to proactive systems. We help schools identify what is driving recurring concerns, determine what adults need to do differently, and build implementation that holds up in real classrooms.
For schoolsOrganizations
Technical assistance, workforce development, performance improvement, and implementation support designed to change what people actually do on the job — not simply what they know.
For organizationsParents & caregivers
Practical coaching built around clear expectations, functional communication, independence, and kind-but-firm structure that works in everyday family life.
Parent coachingAdults
ADHD and executive-function coaching focused on systems, habits, task completion, accountability, and reducing the gap between knowing what to do and consistently doing it.
Adult coachingFounding Consultant
Heather Primus, MA-ABA, BCBA, LBS, LBA
Founding Consultant, Think Function Behavior Consulting
Heather Primus has spent more than 15 years helping children, adults, families, educators, clinicians, and organizations create meaningful behavior change across homes, schools, center-based programs, adult day programs, and school systems.
She holds a Master of Arts in Applied Behavior Analysis Practice from Florida Institute of Technology and is a Board Certified Behavior Analyst licensed in Pennsylvania and New Jersey.
Her approach is practical, direct, and grounded in implementation. She focuses on identifying what is actually driving a pattern, changing the conditions that sustain it, and building systems people can use after the consultation ends.
Heather founded Think Function to bring behavior science beyond the traditional clinic — into classrooms, organizations, families, workplaces, and everyday life.
Credentials & Professional Standing
- Board Certified Behavior Analyst (BCBA)
- Licensed Behavior Specialist and Licensed Behavior Analyst in Pennsylvania
- Licensed in New Jersey
- Approved vendor, School District of Philadelphia
- Professional and general liability insured
Ready to change the environment?
Schools & organizations: Schedule a conversation
Parents & adults: Explore coaching