All worksheets
Back
Universal · Positive Psychology

Three-Good-Things Gratitude Log

A daily 1-minute practice with measurable mood lift

TherapistAssist
therapistassist.app

Three things that went well today — and one sentence about why. The "why" is the active ingredient: it forces the brain to encode the good as something you participated in, not something that happened at you.

Mon
Mood 0–10 ___
Good thing 1 · why
Good thing 2 · why
Good thing 3 · why
Tue
Mood 0–10 ___
Good thing 1 · why
Good thing 2 · why
Good thing 3 · why
Wed
Mood 0–10 ___
Good thing 1 · why
Good thing 2 · why
Good thing 3 · why
Thu
Mood 0–10 ___
Good thing 1 · why
Good thing 2 · why
Good thing 3 · why
Fri
Mood 0–10 ___
Good thing 1 · why
Good thing 2 · why
Good thing 3 · why
Sat
Mood 0–10 ___
Good thing 1 · why
Good thing 2 · why
Good thing 3 · why
Sun
Mood 0–10 ___
Good thing 1 · why
Good thing 2 · why
Good thing 3 · why

Two-week note

The mood lift in the research shows up at week 2–3, not week 1. Stick with it past the early "this feels forced" phase.

References & further reading

Conceptual background and further reading, not validation of this handout. Named instruments and methods belong to their original authors; custom prompts and trackers are not validated versions of those instruments.

  • Seligman, M. E. P., Steen, T. A., Park, N., & Peterson, C. (2005). Positive psychology progress: Empirical validation of interventions. American Psychologist, 60(5), 410–421. https://doi.org/10.1037/0003-066X.60.5.410
© 2026 TherapistAssist · For clinical use · Not a substitute for assessment
Option One

Get the Three-Good-Things Gratitude Log

Print-ready PDF. Instant download — no account needed. We email you a copy too.

This sheet only. Unsubscribe anytime.

Option Two

Or send it to your client

Every worksheet, plus 80 interactive tools your client opens on their phone. No app. No login.

  • Their response lands in your dashboard
  • Unlimited worksheet downloads
Start 7-day trial

$20/mo after · cancel in one click

About this worksheet

Three Good Things is the gratitude protocol with the strongest evidence base — Seligman's 2005 study showed sustained mood improvement and depression symptom reduction six months after a one-week practice. The format is deceptively simple: at the end of each day, write three things that went well and one sentence about why each one happened. The 'why' is the active ingredient. Writing 'I had a good conversation with my sister' does almost nothing. Writing 'I had a good conversation with my sister because I made the first move and asked about her week' forces the brain to encode the good as something the client participated in — building agency, not just gratitude. This template gives a full two weeks of daily entries on one page, with a small daily mood rating so the client can see the curve. Note that the mood lift in the research shows up around week two, not week one — stick with it past the early 'this feels forced' phase. Use for depression, burnout, post-discharge maintenance, end-of-day rituals, and as a low-cost intervention while waiting for medication to take effect.

When to use it

  • Depression — especially mild to moderate, and as adjunct to medication or therapy.
  • Burnout, compassion fatigue, end-of-day decompression for healthcare workers and therapists.
  • Post-discharge maintenance after a depression or anxiety episode.
  • Building a sustainable evening ritual for clients with poor sleep hygiene.
  • Avoid as a sole intervention for severe depression, active suicidal ideation, or untreated trauma — the 'forced positivity' read can backfire.

How to use it

  1. 1
    Set the time

    Same time each day — bedtime works best for most. Tie it to an existing habit (toothbrushing, lights out).

  2. 2
    Three small things

    Not one big thing. Three small ones. A latte, a stranger's smile, a song that came on at the right time. Small is the point.

  3. 3
    Write the 'why'

    The active ingredient. Why did this happen? What did you do that contributed? The 'why' moves gratitude from passive noticing to agency.

  4. 4
    Rate mood (0–10)

    One number for the day. Don't try to make it good. Just record.

  5. 5
    Stick with it past week one

    The research-documented mood lift shows up at week 2–3, not week 1. The early phase feels forced. That's expected.

Frequently asked questions

Does keeping a gratitude journal actually work?+

Yes, with caveats. Seligman's 2005 study (Three Good Things) and multiple replications show measurable depression symptom reduction sustained at six-month follow-up — but only when the practice is sustained for at least 1–2 weeks and the 'why' prompt is included. Without the 'why,' the effect is much weaker.

What's the difference between Three Good Things and a generic gratitude journal?+

Generic gratitude journaling ('list things you're grateful for') has mixed evidence. Three Good Things adds two constraints: exactly three items, and a written 'why' for each. The constraints are what produce the effect — they force specificity and force the brain to attribute the good to actions and choices.

Can gratitude journaling make depression worse?+

In a small subset of severely depressed clients, yes. The 'I should feel grateful and I don't' loop can deepen self-criticism. Screen for severity, and frame the practice as data collection ('let's see what your brain notices') rather than a feel-better mandate.

Why two weeks specifically?+

Replication studies suggest the mood-lift curve is non-linear — minimal effect in days 1–7, noticeable effect in weeks 2–3, and sustained effect at follow-up. Clients who stop in the first week miss the active phase. Two weeks is the minimum viable trial.

Can children or teens use a gratitude journal?+

Yes — and the evidence in adolescents is reasonably strong. Simplify the 'why' prompt to 'how did this happen?' or 'what was your part?' to keep it concrete.

Worksheet — Three-Good-Things Gratitude Log — provided by TherapistAssist for clinical use. Not a substitute for assessment or treatment.