PMI (plus, minus, interesting) is a brainstorming activity that encourages participants in a discussion to look at an idea from more than one viewpoint.
PMI was developed by Dr. Edward de Bono, a proponent of teaching critical thinking in schools. Dr. de Bono is credited with inventing the term lateral thinking, an approach to
In an agile or scrum retrospective, PMI can be a useful tool for beginning the retrospective or unsticking the group when
For example, when used as a warm-up activity for an iteration retrospective, PMI might look like this:
• What are the positive things about this iteration? (1 min.)
• What are the negative (minus) things about this iteration? (1 min.)
• What was interesting about this iteration? (1 min.)
See also: six thinking hats
Continue reading about PMI:
Naomi Karten describes one of her favorite team exercises, PMI.