Categorize stories in 2 dimensions to identify boring ones Source:
Wayne D. Grant
Draw a big square and divide it into 2 columns. Label them 'Interesting' and 'Dull'. Let the team write down everything they did last iteration on stickies and put it into the appropriate column. Have them add a rough estimate of how long it took on each of their own stickies. Now add a horizontal line so that your square has 4 quadrants. Label the top row 'Short' (took hours) and the bottom row 'Long' (took days). Rearrange the stickies in each column. The long and dull stories are now nicely grouped to 'attack' in subsequent phases.
Actively identify, discuss, clarify and prioritize a number of actions Source:
Suzanne Garcia via Malte Foegen
Everyone writes one card with an action that they think is important to do - the more specific (SMART), the better. Then team members go around and chat about the cards like in a cocktail party. Every chat pair discusses the actions on their two cards. Stop the chatting after 1 minute. Each chat pair splits 5 points between the two cards. More points go to the more important action. Organize 3 to 5 rounds of chats (depending on group size). At the end everyone adds up the points on their card. In the end the cards are ranked by points and the team decides how much can be done in the next iteration, pulling from the top.
Addendum: In many settings you might want to randomly switch the cards in the beginning and between discussions. In this way, neither of the point splitting parties has a stake in which of the cards gets more points. This is an idea by Dr. Sivasailam “Thiagi” Thiagarajan via Paul Tevis
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.