Public preview
Plus-Delta Retro in the Last Two Minutes
End every meeting with: what worked (+) and what we change next time (Δ).
Goal
Improve meetings themselves by investing the last two minutes in distilled feedback rather than repeating mistakes.
Steps
-
1
Two minutes before end, announce: "Let's close with two lines: + what worked, Δ what we change next time".
Expected Outcome
Immediate
You get at least one actionable improvement per meeting.
Evidence base
School: US Army After Action Review / Agile Retrospectives
Founders: US Army (AAR) · Esther Derby · Diana Larsen (1981)
Plus-Delta is a simplification of the US Army's After Action Review (1981) and is used in Agile Retrospectives as the fastest group-feedback form.
Keywords
Frequently asked questions
How long does "Plus-Delta Retro in the Last Two Minutes" take?
This exercise takes about 5 minutes, practiced in a group in a Behavioral format.
When will I notice the effect of "Plus-Delta Retro in the Last Two Minutes"?
You get at least one actionable improvement per meeting. In the short term: After ten sessions the team calls your meetings "the best ones we attend" — because small fixes compound.
Is "Plus-Delta Retro in the Last Two Minutes" evidence-based?
Yes — it draws on US Army After Action Review / Agile Retrospectives (US Army (AAR), Esther Derby, Diana Larsen (1981)). Plus-Delta is a simplification of the US Army's After Action Review (1981) and is used in Agile Retrospectives as the fastest group-feedback form.
Is "Plus-Delta Retro in the Last Two Minutes" suitable for beginners?
Its difficulty level is: Beginner. No external tools required — it can be practiced directly inside the app.
Subscribe for full access
Subscribe to Plus for full access to this practice and the whole catalogue, or try first — free, no sign-in, no commitment.
7 complete practices (one per domain) are free forever, no sign-in.