Positive Psychology, Made Practical

What is positive psychology, and which of its interventions actually work?

Martin Seligman’s positive psychology studies what makes life worth living, organized around the PERMA model — Positive emotion, Engagement, Relationships, Meaning, and Accomplishment. Several of its signature interventions, including three good things, the gratitude visit, and using signature strengths, have genuine randomized-trial support for raising well-being and lowering depressive symptoms.

Positive psychology reoriented the field from only fixing what’s broken to also building what’s strong. Its lasting contribution is a set of testable interventions, not just a philosophy. Below are the core practices, each with the mechanism that makes it work and an honest read on the evidence — which for several of these is genuinely strong.

Practices

Three good things (what went well)

Each night, write down three things that went well and why they went well.

The gratitude visit

Write and deliver a letter of thanks, in person, to someone you never properly thanked.

Use your signature strengths in a new way

Identify your top character strengths and deploy one of them differently each day.

Audit your life against PERMA

Check well-being across all five pillars — emotion, engagement, relationships, meaning, accomplishment.

Savoring positive experiences

Deliberately prolong and deepen good moments instead of letting them slip past.

Deliberate acts of kindness

Perform several intentional kind acts, ideally clustered, to lift your own well-being.

Practice this with IX Coach

Reading about a practice changes nothing on its own. IX Coach turns these into a guided, adaptive routine — discerning where you are in real time and walking the practice with you, session after session.

Practice this with IX Coach

IX Coach: 7 days free, then $40/month (about $1.30/day).