PBS — Positive Behavior Supports

A proactive, evidence-based framework designed to improve quality of life by promoting positive behaviors and reducing challenging ones.

PBS is a proactive, evidence-based framework designed to improve quality of life by promoting positive behaviors and reducing challenging ones. Rather than reacting to problems after they occur, it focuses on understanding the reasons behind behavior and putting supports in place to prevent difficulties before they arise.

It is primarily used in schools and community settings, but it can also be effectively applied in homes and clinical environments. PBS involves creating supportive environments, teaching new skills, and reinforcing positive behaviors so individuals can succeed in everyday situations.

Although PBS is related to Applied Behavior Analysis (ABA), it places a stronger emphasis on prevention, person-centered approaches, and the use of positive reinforcement, rather than relying on reactive or punitive strategies.

What is PBS?

  • Focuses on teaching appropriate behaviors rather than punishing negative ones
  • Commonly used in schools, homes, and community settings
  • Based on principles of Applied Behavior Analysis (ABA)

Key Principles of PBS

  • Prevention-focused — identifies triggers and modifies environments to reduce problem behaviors
  • Skill-building — teaches replacement behaviors that serve the same function
  • Positive reinforcement — encourages desired behaviors through rewards and praise
  • Individualized support — strategies tailored to the individual's needs and strengths
  • Data-driven — uses observation and data to guide decisions and measure progress

Core Components of PBS

Functional Behavior Assessment (FBA)

Identifies why a behavior occurs — attention, escape, sensory, and more.

Behavior Intervention Plan (BIP)

Outlines specific strategies to support positive behavior.

Environmental Supports

Adjusting routines, expectations, or physical spaces to promote success.

Teaching Strategies

Explicit instruction of social, communication, and self-regulation skills.

Benefits of PBS

  • Reduces challenging or disruptive behaviors
  • Increases independence and social skills
  • Improves communication and emotional regulation
  • Promotes consistency across settings (school, home, community)
  • Builds long-term positive outcomes rather than short-term compliance

Example PBS Strategies

  • Visual schedules and clear routines
  • Positive praise and reward systems
  • Choice-making opportunities
  • Social stories and modeling
  • Calm-down strategies and self-regulation tools

The Three-Tier Framework

A proactive, structured approach to promoting positive behaviour, focused on prevention, positive reinforcement, and teamwork.

Tier 1 — Universal

Whole-group strategies for all individuals, like clear expectations, routines, and rewards (e.g. praise, token systems) to promote a positive culture.

Tier 2 — Targeted

Small-group or individualised supports for those at risk of challenging behaviours, such as social skills training or check-in/check-out systems.

Tier 3 — Intensive

Highly individualised interventions, often involving Functional Behaviour Assessments (FBAs) and tailored plans for individuals significantly challenged.