
Acceptance and Commitment Therapy (ACT) Course
Master Acceptance and Commitment Therapy from the ground up — its theory, techniques, and clinical application. This course equips mental health professionals with a complete ACT toolkit, from defusion and acceptance to values clarification and committed action. Build the skills to increase psychological flexibility across anxiety, depression, chronic pain, and more.
What you'll learn:
This course gives you a thorough grounding in ACT's philosophical foundations, the hexaflex model, and all six core processes of psychological flexibility. You will learn to conduct functional assessments, deliver acceptance and defusion interventions, and guide clients through values clarification and committed action planning. The curriculum covers specialised applications for anxiety, OCD, depression, grief, and chronic pain, as well as group and workshop formats. You will also develop culturally responsive practice skills and learn to adapt metaphors and exercises for diverse populations. By the end, you will be equipped to build individualised ACT case conceptualisations and measure client progress with validated tools.
How you study in practice Acceptance and Commitment Therapy (ACT) Course
How you practise Acceptance and Commitment Therapy (ACT) Course
For businesses looking to train their team
With Dedika for businesses, the course includes exercises and examples tailored to your own business and the way your company needs.
Course content
8 Chapters • 37 LessonsDuration between 4 and 360 hours (you decide)
Chapter 1HideHide detailsSee detailsFoundations of ACT and Its Philosophy
Foundations of ACT and Its Philosophy
Lesson 1 • Empirical Support and Research Base
Surveys the evidence base supporting ACT across clinical populations and settings. Students evaluate ACT's standing relative to other evidence-based treatments.
Lesson 2 • Relational Frame Theory Basics
Introduces RFT as the behavioural science of human language and cognition. Students see how derived relational responding creates psychological suffering.
Lesson 3 • The ACT Model Overview
Presents the hexaflex model and its six core processes as an integrated whole. Students can describe how each process contributes to psychological flexibility.
Lesson 4 • Philosophical Roots: Functional Contextualism
Explains the pragmatic worldview underlying ACT's goals and methods. Students understand why truth is judged by workability rather than literal accuracy.
Lesson 5 • Origins of ACT as a Therapy
Traces ACT's development from behaviour therapy through Relational Frame Theory. Grounds students in the historical context that shapes the model's unique stance.
Chapter 2HideHide detailsSee detailsPsychological Flexibility and Inflexibility
Psychological Flexibility and Inflexibility
Lesson 1 • Flexibility as a Transdiagnostic Target
Demonstrates how inflexibility underlies anxiety, depression, chronic pain, and addiction. Students apply a single conceptual framework across diverse presentations.
Lesson 2 • Functional Assessment of Inflexibility
Teaches functional analysis to identify which inflexibility processes drive a client's presenting problems. Students link antecedents, behaviours, and consequences to hexaflex targets.
Lesson 3 • Defining Psychological Flexibility
Articulates flexibility as contacting the present moment fully and acting on values. Students distinguish it from mere positive thinking or symptom reduction.
Lesson 4 • The Six Inflexibility Processes
Maps the dark hexaflex: fusion, avoidance, past/future dominance, conceptualised self, unclear values, and inaction. Students recognise each process in case material.
Chapter 3HideHide detailsSee detailsAcceptance: Opening to Experience
Acceptance: Opening to Experience
Lesson 1 • Acceptance in Trauma and Chronic Pain
Adapts acceptance work for clients with trauma histories and persistent physical pain. Students apply pacing and safety considerations without abandoning the acceptance stance.
Lesson 2 • Acceptance Defined and Distinguished
Clarifies acceptance as willingness to have experience, not approval of it. Students contrast acceptance with tolerance, resignation, and positive reframing.
Lesson 3 • Experiential Avoidance as the Problem
Explains how attempts to control or eliminate unwanted thoughts and feelings increase suffering. Students trace the paradoxical effects of emotional control strategies.
Lesson 4 • Willingness as a Behavioural Commitment
Frames willingness as an on/off behavioural choice rather than a feeling state. Students help clients commit to willingness in specific, observable behavioural terms.
Lesson 5 • Core Acceptance Metaphors and Exercises
Introduces foundational metaphors such as the Passengers on the Bus and Tug of War. Students practise delivering these experientially rather than didactically.
Chapter 4HideHide detailsSee detailsCognitive Defusion Techniques
Cognitive Defusion Techniques
Lesson 1 • Language-Based Defusion Exercises
Teaches techniques that alter the form of thoughts to reduce their behavioural impact. Students practise milk-milk-milk, singing thoughts, and labelling exercises.
Lesson 2 • Defusion from Rules and Self-Stories
Addresses fusion with rigid rules and self-narratives that limit behavioural flexibility. Students help clients hold their life story lightly without dismissing it.
Lesson 3 • Understanding Cognitive Fusion
Defines fusion as treating thoughts as literal truths that must be obeyed or eliminated. Students identify fused language patterns and their behavioural consequences.
Lesson 4 • Selecting and Sequencing Defusion Work
Guides clinical decision-making about when and how to introduce defusion. Students match defusion techniques to client presentation, culture, and readiness.
Lesson 5 • Metaphor-Based Defusion Approaches
Uses metaphors to create distance between the client and their thought content. Students deliver Leaves on a Stream and the Radio metaphor with clinical precision.
Chapter 5HideHide detailsSee detailsPresent-Moment Awareness and Contact
Present-Moment Awareness and Contact
Lesson 1 • Using Present-Moment Work in Session
Teaches therapists to use in-session moments as live mindfulness opportunities. Students redirect clients from rumination to present-moment noticing in real time.
Lesson 2 • Present-Moment Contact in ACT
Distinguishes ACT's functional use of mindfulness from meditation traditions. Students understand present-moment contact as a flexible skill, not a relaxation technique.
Lesson 3 • Core Present-Moment Exercises
Introduces structured exercises to anchor attention in the here and now. Students practise and deliver the Notice Five Things and Mindful Breathing exercises.
Lesson 4 • Mindfulness and the Therapeutic Relationship
Explores how therapist present-moment awareness enhances attunement and flexibility. Students practise maintaining dual awareness of client and their own internal experience.
Chapter 6HideHide detailsSee detailsSelf-as-Context and the Observing Self
Self-as-Context and the Observing Self
Lesson 1 • Defusing from the Conceptualised Self
Addresses rigid self-stories that function as barriers to valued action. Students help clients hold self-descriptions as perspectives rather than fixed truths.
Lesson 2 • The Chessboard and Observer Metaphors
Uses the Chessboard and Observer metaphors to experientially evoke self-as-context. Students practise guiding clients through these exercises with sensitivity.
Lesson 3 • Three Senses of Self in ACT
Differentiates self-as-content, self-as-process, and self-as-context within the ACT model. Students map each sense of self to clinical presentations and treatment targets.
Lesson 4 • Self-as-Context in Complex Cases
Applies self-as-context work with clients experiencing identity disruption or dissociation. Students adapt exercises for personality disorders and trauma presentations.
Chapter 7HideHide detailsSee detailsValues Clarification and Committed Action
Values Clarification and Committed Action
Lesson 1 • Translating Values into Goals and Actions
Bridges values clarification to specific, measurable behavioural commitments. Students construct SMART goals anchored to client values and track progress.
Lesson 2 • Committed Action and Behavioural Activation
Integrates behavioural activation principles with ACT's values framework. Students design graduated exposure and activation hierarchies tied to client values.
Lesson 3 • Values Clarification Exercises
Introduces structured exercises to surface authentic values from beneath avoidance. Students deliver the Eulogy exercise, the Tombstone exercise, and values card sorts.
Lesson 4 • Defining Values in ACT
Clarifies values as chosen life directions rather than outcomes or rules. Students help clients distinguish values from goals, feelings, and social obligations.
Lesson 5 • Handling Barriers to Committed Action
Addresses fusion, avoidance, and discouragement that derail committed action. Students apply defusion and acceptance skills to reinstate values-based behaviour.
Chapter 8HideHide detailsSee detailsACT Case Conceptualisation and Treatment Planning
ACT Case Conceptualisation and Treatment Planning
Lesson 1 • Measuring Progress in ACT
Introduces validated ACT-consistent outcome and process measures for routine monitoring. Students select and interpret measures to inform ongoing treatment decisions.
Lesson 2 • Prioritising Processes Across Sessions
Teaches flexible sequencing of ACT processes based on client readiness and need. Students avoid rigid protocol adherence while maintaining theoretical coherence.
Lesson 3 • ACT Case Conceptualisation Framework
Presents a structured approach to mapping client problems onto the hexaflex. Students produce written conceptualisations that guide intervention selection.
Lesson 4 • Integrating ACT with Other Modalities
Guides integration of ACT with exposure therapy, motivational interviewing, and DBT. Students identify compatible and incompatible elements across approaches.
Lesson 5 • Supervision and Self-Practice in ACT
Emphasises therapist self-practice and peer supervision as competency development tools. Students apply ACT processes to their own clinical challenges and growth edges.
Your valid completion certificate
This course is for you:
Licensed therapist: ready to add a third-wave approach to their practice.
Counselling psychology graduate student: building a strong evidence-based clinical foundation.
Social worker: seeking structured tools for clients with chronic emotional struggles.
Psychiatrist or psychiatric nurse: wanting to complement medication management with behavioural methods.
Life coach: looking to deepen their understanding of values-driven behaviour change.
CBT-trained clinician: curious about how contextual behavioural science expands their existing work.
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