Repeat/Avoid is a simple and effective data gathering activity. It is is based on  two very specific questions: What to repeat? What to avoid?
Running the activity:
Please add your notes accordingly:
  • What should we repeat?
  • What should be avoided?

I recommend pre defining categories for the notes.
The picture below shows this activity results. The different post it colors cover the following pre-defined categories:   People / Process / Technology / Scope
The picture below is this activity result for a team that used the equivalent Google Doc template.