What is the Plus Delta retrospective?
The Plus Delta retrospective is a straightforward yet powerful approach to team reflection that focuses on two key aspects: what's working well (Plus) and what needs to change (Delta). Originally adapted from academic feedback methods, this format helps teams identify current strengths while targeting specific areas for improvement. This simple two-column structure makes it particularly effective for teams new to retrospectives or when time is limited. The 'Plus' column celebrates successes and reinforces positive practices, while the 'Delta' column (using the mathematical symbol for change) constructively addresses opportunities for improvement without the negative connotations of traditional 'pros and cons' formats. By maintaining a balanced view between positives and potential changes, teams can have productive conversations that acknowledge progress while driving continuous improvement. The format's simplicity helps keep discussions focused and action-oriented, making it easier to identify concrete next steps.
Plus Delta retrospective format
Plus
What went well in the last sprint?
Guide the team to identify specific successes, practices, and behaviors that contributed to positive outcomes. Encourage concrete examples rather than vague statements. This helps establish what practices should be continued and potentially expanded.
Delta
What changes could we make?
Focus on constructive suggestions for change rather than complaints. Encourage participants to phrase feedback in terms of opportunities for improvement and to be specific about what could be different. Help the team prioritize changes that would have the most impact.
When to use this retrospective
- When you need a quick, straightforward format that's easy for everyone to understand
- For teams new to retrospectives who need a gentle introduction to structured feedback
- When time is limited and you need to focus on essential feedback
- During periods of change when you want to maintain what's working while identifying necessary adjustments
Suggested icebreaker questions
- What's one positive change you've noticed in the team since our last retrospective?
- If you could instantly change one thing about our work process, what would it be?
Ideas and tips for your retrospective meeting
- Keep the focus on actionable changes rather than dwelling on problems without solutions
- Encourage balanced participation by asking quieter team members to share their thoughts first
- Use dot voting to prioritize which changes to tackle first if many items are identified
- Maintain a positive tone by framing deltas as opportunities for improvement rather than criticisms
- Document and follow up on agreed changes in the next retrospective to ensure continuity
New to retrospectives? Read our guide on how to run a retrospective →
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