⚖️ Module 3 — The ABC Model | REBT Course
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Free Course by Everything IFS Academy | Therapeutic Modalities Series
Module 3 — The ABC Model
The ABC model is REBT's map of how a feeling actually gets made, and it fits in one sentence: when something happens (A) and a feeling follows (C), the feeling was manufactured in between, by a belief (B). Most people live as if life were a two-letter affair, A causes C, the event causes the feeling: the traffic made me furious, the criticism made me feel worthless. The ABC model inserts the missing letter and, with it, the missing leverage. Events are usually beyond anyone's control. Beliefs are not. Learning to see the B in any upsetting moment is the single most important skill in this course, because every tool that comes later works on that middle letter.
A Is The Activating Event
The A is whatever sets the sequence off. It is the trigger, the thing that happened, the starting pistol. And the category is far wider than most people first assume. An activating event can be:
An external event. The flight gets delayed. The car won't start. The rent goes up. The classic "something happened" situations, out in the world where everyone can see them.
Another person's behavior. A friend cancels, a coworker takes credit, a partner uses that tone. Other people are, for most humans, the most reliable A-generators on the planet.
A memory. Nothing has to happen today for an ABC to fire. A person washing dishes can be ambushed by the memory of something they said at a party in 2019, and the sequence runs just as hot as if it were happening now.
A bodily sensation. A racing heart, a wave of dizziness, a strange twinge. The body produces events too, and they can serve as the A of a powerful sequence.
One's own thoughts and feelings. Even a thought can be an A. A flicker of doubt, an image of failing, the noticing of one's own sadness: any of these can kick off a fresh sequence. REBT has a whole teaching about what happens when a feeling becomes the A of a new sequence; it's called secondary disturbance, and it has its own lesson in Module 13.
One more precision, and it matters: the A is what happened, described the way a security camera would record it. "My sister didn't call me back" is an A. "My sister blew me off because I don't matter to her" is not an A; that sentence has already smuggled a B inside it. Learning to state the A cleanly, in bystander language, is harder than it sounds and surprisingly powerful on its own, because it separates the event from the interpretation for the first time.
B Is The Belief
The B is what a person tells themselves about the A: the evaluations, interpretations, rules, and demands they bring to the event. If the A is the footage, the B is the commentary track, and everyone's commentary track runs constantly, whether they notice it or not.
Beliefs have three qualities that make them easy to miss:
They are fast. The gap between the email landing and the stomach dropping is a fraction of a second. The belief fires in that gap, at a speed that makes it feel like no thinking happened at all, just event, then feeling.
They are habitual. A belief that has run ten thousand times doesn't feel like a belief anymore. It feels like perception, like simply seeing what's there. A person who has told themselves for twenty years that mistakes are unacceptable doesn't experience that as an opinion; they experience mistakes as unacceptable, the way water is wet.
They are often invisible. Ask someone mid-upset what they're telling themselves and the honest answer is usually "nothing, I'm just upset." The commentary track has been running so long it no longer registers as sound. A large part of REBT is learning to hear it again.
REBT sorts beliefs into two broad kinds. Rational beliefs are flexible, realistic, and proportionate to the event: they produce feelings that fit the situation and behavior that helps. Irrational beliefs are rigid, extreme, and out of scale: they produce feelings that overshoot and behavior that backfires. That's the definition-level distinction, and it's all this lesson needs. The four specific irrational patterns REBT teaches people to spot, the three basic musts, awfulizing, low frustration tolerance, and global rating, each have their own full lesson in Modules 4 through 7.
C Is The Consequence
The C is what the belief produces, and it comes in two connected forms:
Emotional consequences. The feeling itself: the anxiety, the anger, the guilt, the shame, the hurt. This is usually what a person notices first, and often the only part of the sequence they notice at all.
Behavioral consequences. What the feeling drives the person to do or avoid: the snapped reply, the third rewrite of a two-line text, the party skipped, the report untouched for another week. Feelings rarely travel alone; they arrive with instructions.
Here is the observation that gives the whole model away. Take one A and hand it to five people: the boss says, "We need to talk Monday." One person spends the weekend in dread. One gets angry, already composing a defense. One feels a flat certainty that they're being fired and starts updating their resume at midnight. One is curious. One forgets about it by Saturday. Same event, five different Cs. If the A caused the C, that would be impossible; the same cause would produce the same effect every time, the way the same flame boils every kettle. The Cs differ because the Bs differ. The event is the occasion of the feeling. The belief is the manufacturer.
The B Is The Bridge
This brings the model to its central insight, the one REBT calls emotional responsibility: people largely feel the way they think. The bridge between what happens and what a person feels is built out of beliefs, and beliefs belong to the believer.
It's important to hear this teaching the way REBT means it, because there's a common misreading worth dissolving right away. Emotional responsibility does not mean "your feelings are your fault," and it does not mean the A doesn't matter. Hard events are genuinely hard; a canceled plan and a diagnosis are not the same size, and REBT never pretends otherwise. Nobody chooses their beliefs the way they choose a sandwich, either; most Bs were installed early, ran unexamined for years, and fire automatically. There is no blame in any of that.
What emotional responsibility means is something closer to good news: the feeling is workable. If events caused feelings directly, a person would be at the mercy of whatever the day delivered, forever, with the only hope being a life where nothing bad happens, and no one gets that life. But if beliefs manufacture feelings, then a person carries the machinery with them, which means the machinery can be inspected and adjusted. Responsibility here means response-ability: the A is often out of one's hands, and the B never is. That is why Ellis considered this idea liberating rather than harsh, and why everything else in REBT is built on top of it.
One Event, Two ABCs
Priya has plans on Saturday with her friend Dana: brunch, first one in over a month. Saturday morning, a text arrives: "So sorry, something came up, can we reschedule?" That text is the A, and notice how clean it is, stated the way a camera would state it: Dana canceled and asked to reschedule. Now watch the same A run through two different Bs.
The first run:
A: Dana cancels Saturday brunch by text.
B: "She's pulling away from me. People always do this eventually. If someone can drop me this easily, it proves I don't really matter to her, and I can't handle being someone people drop."
C: A wave of hurt with an edge of something heavier. Priya rereads the text four times, hunting the wording for evidence. She types "no worries!!" with two exclamation points she doesn't feel, then spends the afternoon flat and withdrawn. When Dana texts Tuesday to reschedule, Priya takes two days to answer, cool and brief, protecting herself from a rejection that may exist mostly in the B.
The second run, same morning, same text:
A: Dana cancels Saturday brunch by text.
B: "Ugh, I was really looking forward to that. This is genuinely disappointing. And Dana almost never cancels, so something probably did come up."
C: Real disappointment, felt cleanly, no edge. Priya sends back "totally get it, but I'm holding you to a reschedule, I need my brunch." She's a little deflated for an hour, then salvages the morning with a walk and a bookstore. When Dana texts Tuesday, the plan is remade in four messages.
Same friend, same text, same Saturday. The event never changed; only the commentary track did. And here's the part worth sitting with: in the first run, Priya would swear the hurt came from the cancellation. It didn't. It came from "it proves I don't matter," a sentence she never heard herself say. The first Priya isn't weaker or more foolish than the second; she's running a different B at the same speed everyone runs theirs. The skill this course builds, starting now, is the ability to slow that moment down and read the middle letter.
From ABC to ABCDE
The ABC model has two more letters waiting, because REBT never stops at diagnosis. D stands for disputing, the active questioning of an irrational belief, and it has its own full lesson in Module 11. E stands for the effective new belief, the sturdier replacement a person builds and rehearses, taught in Module 12. Those letters come later for a reason: before a belief can be disputed or replaced, it has to be found, and the next four lessons train exactly that, one pattern at a time.
Below this lesson, you'll find an REBT practice built around one of the skills you just learned, along with a few ways to begin noticing and practicing it in everyday life this week.
REBT Practice: Writing Your First ABC
This practice takes about five to seven minutes. You'll need a piece of paper or a notes app, and one recent moment that bugged you. Small is perfect: an unanswered text, a comment in a meeting, a plan that fell through.
Write the letter A, and next to it, state what happened in camera language. Just the facts a bystander could confirm. If you catch an interpretation sneaking in ("she ignored me"), gently strip it back to footage ("she didn't reply until the next day").
Skip down and write C first. What did you feel, and what did the feeling get you to do or avoid? Name both: the emotion, and the behavior. (Writing C before B is deliberate; the feeling is usually easier to find than the belief.)
Now write B, and here's the question that opens it up: what would I have to be telling myself about A to feel C? Don't hunt for something fancy. Write the sentences as bluntly as they actually run: "this proves…", "they should have…", "I can't stand…".
Read your three letters top to bottom, A to B to C, and just notice the bridge. You're not disputing anything yet. You're doing what this lesson trained: seeing the middle letter for the first time.
If the B feels hard to find, that's normal, not failure. Beliefs have been invisible for years; expect them to be shy on the first try. Even a rough guess at the B counts as a completed practice.
This Week
Once or twice this week, when you notice a strong feeling, silently ask the bridge question: what am I telling myself about this?
Try stating one upsetting event in pure camera language, out loud or in your head, and notice how different it sounds from the version your mind first offered.
When you see two people react differently to the same news, see if you can guess the two different Bs at work. It's excellent practice, and nobody has to know you're doing it.
Disclaimer:
Everything IFS Academy is an independent educational platform and is not affiliated with, endorsed by, or connected to the IFS Institute. While we strive for accuracy, errors can occur, and users are encouraged to cross-reference critical information. These courses, lessons, skills, and practices are offered for educational and self-reflection purposes only. They do not constitute therapy, mental health treatment, clinical training, or crisis support, and they should not be used as a substitute for professional mental health care.
Crisis Support: 🚨
If you are experiencing a mental health crisis, feel unsafe, feel at risk of harming yourself or someone else, or feel too overwhelmed to safely use self-directed practices, please pause this material and reach out for immediate support. Contact a licensed mental health professional, call or text 988 in the U.S. or Canada, or use your local emergency or crisis resources.
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