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Plus/Delta is a method of gathering immediate feedback from participants of a meeting, workshop or other event. Participants are asked to list the “Plusses” or what went well as well as the “Deltas” or suggestions they have for what to change for the next iteration. This is generally captured in two columns on a flip chart by a scribe or by participants writing each “plus” or “delta” on a sticky note.

For a better understanding of Plus/Delta and an overview of Lean Six Sigma, check out our Free Lean Six Sigma Yellow Belt Training, Green Belt Training or Lean Training.

Elisabeth Swan

Elisabeth is a Managing Partner at, the co-author of The Problem-Solver’s Toolkit and co-host of the Just-in-Time Cafe. For over 25 years, she's helped leading organizations like Amazon, Charles Schwab and Starwood Hotels & Resorts build problem-solving muscles with Lean Six Sigma to achieve their goals.