What Is Acceptance and Commitment Therapy (ACT)? A Beginner’s Guide
QUICK ANSWER:
What is ACT?
Acceptance and Commitment Therapy (ACT, pronounced like the word “act”) is an evidence-based form of therapy that helps you change your relationship with difficult thoughts and feelings rather than constantly trying to get rid of them.
Instead of asking, “How do I make this anxiety, thought, or feeling go away?” ACT encourages a different question:
“How can I make room for this experience while still moving toward the life I want?”
ACT combines mindfulness, acceptance, and behavioral strategies to build psychological flexibility, which is the ability to stay present, adapt to difficult experiences, and make choices based on your values rather than allowing uncomfortable thoughts or emotions to make those choices for you.
Most of us have thoughts and feelings we'd rather not have.
Anxiety. Self-doubt. Guilt. Intrusive thoughts. Sadness. Embarrassment. The voice in your head insisting that you're going to fail, everyone is judging you, or you need to feel more confident before you can finally do the thing you've been avoiding.
It's natural to want uncomfortable thoughts and feelings to disappear. The problem is that the harder we work to control our internal experiences, the more our lives can start revolving around avoiding them.
Acceptance and Commitment Therapy (ACT) takes a different approach.
Rather than making “feeling better” the prerequisite for living your life, ACT helps you learn how to experience uncomfortable thoughts and feelings without letting them determine what you do next.
In this guide, we'll explore what ACT is, how it works, what the six core ACT skills mean in everyday life, and what ACT might look like in therapy.
What Is Acceptance and Commitment Therapy (ACT)?
Acceptance and Commitment Therapy is a behavioral therapy focused on increasing psychological flexibility.
Psychological flexibility means being able to stay connected to the present moment, make room for uncomfortable internal experiences, and choose behaviors that move you toward what matters to you.
Think about the difference between:
“I can't do that because I'm anxious.”
and:
“I'm noticing that I'm anxious, and this is important enough to me that I'm willing to do it while feeling anxious anyway.”
The goal isn't to convince yourself that everything will turn out perfectly.
It's recognizing that anxiety can come along for the ride without getting to drive the car.
Acceptance Doesn't Mean You Have to Like It
The word acceptance can be one of the most misunderstood parts of ACT.
Acceptance does not mean:
Liking what happened
Approving of something painful or unfair
Giving up
Resigning yourself to a situation you can change
Pretending that something doesn't hurt
Never trying to solve problems
In ACT, acceptance means making room for the thoughts, emotions, memories, sensations, and urges that are already present instead of spending all of your energy fighting with them.
Imagine getting your finger caught in one of those woven finger traps.
Your instinct is to pull harder to escape. But the harder you pull, the tighter the trap becomes.
Sometimes our internal experiences work the same way.
We become anxious about being anxious. We criticize ourselves for feeling sad. We try desperately not to think about something…which makes us think about it even more.
ACT helps you notice when the struggle itself has become part of the problem.
The Six Core Processes of ACT
ACT uses six interconnected processes to help build psychological flexibility.
1. Acceptance
Acceptance means allowing uncomfortable thoughts, feelings, sensations, and urges to exist without immediately trying to escape, suppress, or eliminate them.
Instead of:
“I shouldn't feel this way.”
you might practice:
“I don't like this feeling, but I can make room for it.”
The goal isn't to enjoy discomfort. It's to stop organizing your entire life around avoiding it.
2. Cognitive Defusion
Have you ever had a thought that immediately felt like a fact?
Maybe:
“I'm going to embarrass myself.”
“I'm not good enough.”
“They must be mad at me.”
“I can't handle this.”
Cognitive defusion helps create some distance between having a thought and believing that thought must be true or obeyed.
For example, instead of:
“I'm going to fail.”
you might notice:
“I'm having the thought that I'm going to fail.”
That small shift reminds you that thoughts are mental events—not instructions, predictions, or absolute truths.
3. Being Present
Our brains are incredibly good at leaving the present moment.
We replay conversations from yesterday, predict disasters that might happen tomorrow, analyze what someone meant by a text message, or mentally rehearse every possible outcome.
ACT uses mindfulness to help you notice what's happening right now.
That doesn't mean clearing your mind or achieving some perfectly calm state.
It means learning how to notice your thoughts, emotions, physical sensations, and surroundings without immediately getting swept away by them.
4. Self-as-Context
Sometimes we turn experiences into identities.
“I failed” becomes “I'm a failure.”
“I feel awkward” becomes “I'm socially awkward.”
“I have anxiety” becomes “I'm an anxious person.”
ACT helps you develop the ability to observe your experiences without defining yourself by them.
You are the person noticing the thought.
You are the person experiencing the emotion.
Your thoughts and feelings are parts of your experience, but they are not the entirety of who you are.
5. Values
Values are the qualities that help give your life direction.
They might include things like:
Connection
Compassion
Curiosity
Courage
Creativity
Honesty
Independence
Growth
Adventure
Family
Friendship
Learning
Authenticity
Values are different from goals.
A goal might be:
“Make a new friend.”
A value might be:
“Build meaningful connections.”
You can accomplish a goal and check it off your list. A value is something you continue practicing throughout your life.
ACT helps you clarify what actually matters to you, rather than automatically making decisions based on fear, expectations, perfectionism, or what you think you're “supposed” to do.
6. Committed Action
Once you know what matters to you, ACT asks:
What would moving toward that value actually look like?
If you value friendship but social anxiety tells you to stay home, committed action might mean going to the gathering while allowing anxiety to come with you.
If you value independence but perfectionism keeps you from trying something unless you're certain you'll succeed, committed action might mean taking an imperfect first step.
ACT isn't just about understanding yourself differently.
It's about doing things differently, even when uncomfortable thoughts and feelings show up.
What Does ACT Look Like in Therapy?
ACT is often experiential, meaning you don't necessarily spend the entire session simply talking about why you feel the way you do.
Depending on your goals, therapy might include:
Identifying patterns of avoidance
Exploring what matters most to you
Mindfulness exercises
Practicing cognitive defusion
Learning to make space for uncomfortable emotions
Using metaphors or experiential exercises
Noticing the difference between thoughts and facts
Practicing tolerating uncertainty or discomfort
Setting small values-based behavioral goals
Exploring whether your current coping strategies are actually helping in the long term
ACT can also be integrated with other approaches, including Cognitive Behavioral Therapy (CBT), Exposure and Response Prevention (ERP), Dialectical Behavior Therapy (DBT), and other evidence-based treatments.
An Everyday Example of ACT
Imagine you've been invited to a social event.
Your brain immediately says:
“It's going to be awkward.”
Then:
“What if I don't know what to say?”
Then:
“Maybe I should just stay home.”
Avoiding the event might reduce your anxiety immediately.
But if connection and friendship are important to you, repeatedly avoiding situations that make you anxious may gradually create a life that's smaller than the one you actually want.
ACT doesn't require you to convince yourself:
“It won't be awkward!”
Because maybe it will be.
Instead, ACT might help you recognize:
“My brain is giving me the ‘this is going to be awkward’ story again. I'm feeling anxious, and connection matters to me. I'm willing to feel some anxiety in order to show up for something I care about.”
That's psychological flexibility.
Is ACT the Same as CBT?
ACT is part of the broader family of cognitive and behavioral therapies, but there are some differences in emphasis.
Traditional CBT often helps people identify unhelpful thoughts, evaluate the evidence for those thoughts, and develop more balanced ways of thinking.
ACT isn't necessarily interested in determining whether every thought is true or false.
Instead, ACT might ask:
Is getting tangled up with this thought helping you live the life you want?
Sometimes changing a thought is useful.
Other times, learning that you don't have to argue with, eliminate, or obey the thought can be even more freeing.
Many therapists integrate both approaches depending on the person and situation.
What Can Acceptance and Commitment Therapy Help With?
ACT principles can be used with a wide range of concerns, including:
Anxiety
Depression
OCD and intrusive thoughts
Perfectionism
People-pleasing
ADHD-related difficulties
Eating disorders and body image concerns
Chronic stress
Life transitions
Low self-esteem
Avoidance
Difficult emotions
Trauma-related concerns
ACT can also be useful for people who don't necessarily identify with a specific diagnosis but feel like fear, self-doubt, perfectionism, or overthinking has started making their decisions for them.
Does ACT Get Rid of Anxiety or Negative Thoughts?
Not necessarily, and that's actually an important part of the approach.
ACT doesn't promise a life without anxiety, sadness, uncertainty, self-doubt, or uncomfortable thoughts.
Those experiences are part of being human.
Instead, the goal is to become less controlled by them.
Interestingly, when we stop putting so much effort into fighting our internal experiences, they may sometimes become less overwhelming.
But symptom reduction isn't the only measure of progress.
Progress might also look like:
Doing something meaningful even though you're anxious
Setting a boundary despite feeling guilty
Going somewhere without waiting to feel completely confident
Allowing an intrusive thought to exist without analyzing it
Making a mistake without spending hours criticizing yourself
Choosing what matters to you instead of what temporarily reduces discomfort
The question becomes less:
“How do I make this feeling disappear?”
and more:
“What kind of life do I want to build, even when difficult feelings show up?”
Can ACT Help Children and Teens?
Yes.
ACT concepts can be adapted in creative and developmentally appropriate ways for children and adolescents.
Rather than relying only on abstract discussion, ACT with younger clients might involve metaphors, games, drawing, mindfulness activities, values exercises, or learning how to recognize when their brain is telling them an unhelpful “story.”
For teens in particular, values work can be helpful when they're navigating identity, friendships, school pressure, perfectionism, family expectations, anxiety, or questions about who they want to become.
Frequently Asked Questions
-
No.
Mindfulness is an important component of ACT, but mindfulness doesn't have to mean sitting silently and meditating for long periods of time.
Mindfulness can simply mean learning how to notice what is happening in the present moment without immediately judging, avoiding, or reacting to it.
-
No.
Acceptance is about recognizing what is already happening internally so you can use your energy more effectively.
In fact, ACT places a strong emphasis on action.
The question is often: Given that this is what I'm feeling right now, what choice moves me toward the person I want to be?
-
Not necessarily.
Sometimes thoughts can be evaluated or challenged, but ACT often focuses more on changing your relationship with a thought.
You can notice a thought without arguing with it—and without letting it run your life.
-
That's okay.
Values clarification is part of ACT therapy.
You and your therapist can explore what matters to you, when you've felt most connected or fulfilled, what qualities you admire in others, and what you want different areas of your life to stand for.
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There isn't one standard timeline.
Some people use ACT skills as part of short-term, focused treatment, while others integrate ACT into longer-term therapy.
The length of treatment depends on your goals, symptoms, circumstances, and whether ACT is being used on its own or alongside other therapeutic approaches.
Could ACT Be a Good Fit for You?
ACT may be particularly helpful if you find yourself thinking things like:
“I know what I should do, but my anxiety stops me.”
“I spend so much time overthinking everything.”
“I need to feel certain before I can move forward.”
“I avoid things because I don't want to feel uncomfortable.”
“I'm constantly fighting with my own thoughts.”
“I don't really know what I want anymore.”
ACT isn't about becoming fearless, endlessly positive, or completely unbothered.
It's about learning how to make room for the full range of human experiences while continuing to move toward a life that feels meaningful to you.
Interested in Acceptance and Commitment Therapy?
At Temperance Psychotherapy, I integrate ACT and other evidence-based approaches to help children, teens, and adults navigate anxiety, OCD, ADHD, perfectionism, eating and body image concerns, difficult emotions, and life transitions.
Therapy isn't always about learning how to make uncomfortable thoughts and feelings disappear.
Sometimes it's about learning that you can have those experiences without handing them control over your life.
If you're interested in exploring whether ACT or another therapeutic approach might be a good fit for you or your child, you can request an appointment or schedule a free consultation.
Sources
The information in this article is based on current research and evidence-based clinical practice. For additional information about Acceptance and Commitment Therapy:
• American Psychological Association