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Gratitude is one of the most-studied practices in psychology — and far older than psychology. The trials, the traditions, and long practice each have their own answer. Here they all are, cited to what each community counts as evidence.
Ten weeks of gratitude journaling left people more satisfied with their lives, more optimistic, and even exercising more (Emmons & McCullough, 2003). One week of writing three good things kept people measurably happier and less depressed months later (Seligman et al., 2005). Steps keeps that dosage: today's question, then life's.
Seligman's participants wrote what went well and why it happened — the "why" was part of the exercise (Seligman et al., 2005), and it's what a form with blanks loses. A conversation keeps it: you text "my sister called out of nowhere", and the reason comes out in the next line.
A preregistered meta-analysis of 145 papers and 24,804 people puts the overall effect at real but small: g = 0.19 (Choi et al., 2025). A review of 64 randomized trials found less anxiety and depression, and better mood (Diniz et al., 2023). The practice helps; it doesn't transform. That's our only claim.
A randomized trial sent the three-good-things prompt by text message to 223 health care workers: mood improved, and was still improved three months later; the other outcomes didn't reach significance (Gold, Dobson & Sen, 2023). Small, honest — and the closest study yet to what Steps does. Our summary, including what it doesn't show.
Gratitude wasn't invented by psychologists — the traditions trained it for centuries. Want to be happy? Be grateful (Br. David Steindl-Rast, 2013). We shelve that teaching cited to its own canon, never dressed up as data: five traditions, the Bible, prayer journals. If your gratitude has a Godward direction, Steps never gets in its way.
Habits take about 66 days on average, and one missed day doesn't derail them (Lally et al., 2010). Weekly counting beat thrice-weekly in one well-known study (Lyubomirsky et al., 2005) — so your schedule is yours, and Steps changes the angle when your entries start repeating. The failure modes are written up too: how a practice quietly stops, and how to start one that lasts.
Every source Steps leans on is summarized in our library — what it found, how it was designed, and what it doesn't show. A few more worth your time:
Every study above handed people a routine and someone checking in; real life hands you a drawer. Steps is the checking-in part: it texts first, at your hour, and nudges once. Write outside the questions whenever you like — and no AI ever analyzes, scores, or summarizes a word of it.
The studies linked above are the primary sources, and all of them are readable. For the wider practice of journaling — beyond gratitude, into writing as a way of processing a life — we like Suleika Jaouad's The Book of Alchemy, an anthology of essays and prompts from a hundred writers on what the page can hold. None of these authors endorse Steps; we just read them.
One honest last note: reading about the method changes nothing. Every study above worked because someone kept showing up — and that's the only part Steps does for you. Try it free for 30 days →