Ask each team member to briefly describe how their right neighbour felt during the iteration. Their neighbour confirms or corrects the guess. Once all participants shared their best guess about how their teammates felt, you get an idea of how connected they are, how communication is flowing in your team and if people are aware of the feelings expressed, in some way, by others.
Brainstorm what behaviors to keep, drop & add and pick the top initiatives Source:
Divide a flip chart into boxes headed with 'Keep', 'Drop' and 'Add'. Ask your participants to write concrete proposals for each category - 1 idea per index card. Let them write in silence for a few minutes. Let everyone read out their notes and post them to the appropriate category. Lead a short discussion on what the top 20% beneficial ideas are. Vote on it by distributing dots or X's with a marker, e.g. 1, 2, and 3 dots for each person to distribute. The top 2 or 3 become your action items.
Let team members appreciate each other and end positively Source:
Agile Retrospectives who took it from 'The Satir Model: Family Therapy and Beyond'
Start by giving a sincere appreciation of one of the participants. It can be anything they contributed: help to the team or you, a solved problem, ...Then invite others and wait for someone to work up the nerve. Close, when no one has talked for a minute.