Broaden-and-Build Theory
Good feelings broaden attention and slowly build lasting resources.
Evidence: well established. We label every concept honestly, and say so when it's a teaching model. How we rate evidence.
Shrink Definition
Broaden-and-build theory holds that positive emotions widen our attention and thinking in the moment, and build lasting resources over time. Where fear narrows us to fight or flee, joy, curiosity, and love open us to explore, connect, and create. Those broadened moments accumulate into skills, bonds, and resilience. Small good feelings compound.
Plain language
Positive emotions widen your thinking now and build strengths over time.
Shrink Insight
Positive emotions aren't just pleasant, they're constructive.
Why it matters
It explains why cultivating small positive experiences supports long-term resilience and growth, not just momentary comfort. It grounds practices like savoring and gratitude in a clear mechanism.
Common misunderstanding
People treat positive emotions as mere rewards or fluff. The theory shows they actively expand thinking and build durable resources.
Shrink Perspective
Joy isn't the finish line, it's part of the engine.
Shrink Reflection
Where could one small good moment open me up today?
Shrink Step
Build one small positive moment into your day and let yourself fully notice it.
Shrink Minute
Recall a good mood that opened you up to try or connect with something.
Shrink Takeaway
Feeling good does quiet work that lasts.
Medical boundary
This concept is educational and shouldn't be used to self-diagnose. It doesn't replace care from a licensed clinician. Symptoms, medication, and treatment decisions should be discussed with a qualified professional, and emergency symptoms require emergency care.
Evidence summary
A well-supported theory in positive psychology with experimental and longitudinal evidence, though effect sizes vary.
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