How many types of Agile Retrospectives are there, anyway?

The other day I noticed that we were getting pretty stagnant with our sprint retrospectives.  I have been asking these questions: “What went well? What went less well? What areas improved from last sprint? What areas need improvement?”  Sometimes we get some good discussions going, but most of the time I have to prod my teammates for answers and feedback.  This prompted me to go in search of something new and better. 

I have 4 teams, so it is important for me to come up with good ideas that can be used across the board.  My teams are also spread across the United States and Canada, so activities in which ALL of us can participate is definitely limited.  Pickings were slim.
I found a nice wikithat listed out many different types of retrospectives.  I pulled the below table from there. I had NO IDEA there were so many, and there were quite a few listed that I’d never heard of before. You can go to the link to delve further into each type of retrospective if you like.  This was a good start for me to get some ideas.
Name
Summary
Use
Approx. Duration (mins)
Uses De Bono’s 6 Thinking Hats to investigate process improvement
General use, but also a good alternative to shuffling card type retrospectives
60
A retrospective in which teams rated their abilities in each of the categories, displayed the different ratings on a spider graph, and then discussed the result.
To talk about what abilities are important to an Agile team and how your team rates against them
60
Uses Appreciative Inquiry to identify what went so well. There is no blame or negativity, and builds on the Prime Directive, that everyone in the team did the best job they could possibly do.
To remind everyone what a good job their doing rather than focusing on negatives every time you run a retrospective.
60
Participants choose top 5 issues and bring them along for group to discuss and resolve
Expose the most pressing issues in an initially anonymous manner and determine the most effective actions to resolve them
45
A Retrospective Technique for short term actions from long term goals
Really good for forcing achievable actions from your retrospectives.
40
The facilitator captures team open-ended feedback using a wheel that encourages team members to assess an iteration or milestone using 5 categories. Allow some time following completing the “wheel” to discuss and agree on specific changes to implement
Obtain feedback on team process in order to learn what should be continued and what should be adjusted as the team moves forward. Is a fast way to conduct a “meta” process discussion.
10-25
The method ensures that each participant meets and interacts with every other participant.
When retrospective participants do not know each other well
Variable!
Use various tools such as a complexity radar to discover and find out how to deal with the complexity in your project
Many projects go awry due to excessive complexity; use this plan to evaluate whether your team is approaching things in the simplest way that can work; especially when the deadlines begin to loom.
40-60
A plan designed around the force field analysis technique
A retrospective for your whole company/department or to analyse a particular topic
60
Focused and time-constrained by using the Pomodoro technique
Useful for determining a single action to improve the work of a small team
25
A retrospective for retrospectives
To learn how to improve the effectiveness of your retrospectives
60+
Iteration retrospective
To get different perspectives on the same events
60
Simple sprint retrospective
Basic / everyday retrospective plan
90 – 120
Liked – Learned – Lacked – Longed For
Iteration and project retrospectives as well as for retrospection of training and conference events.
90 – 120
What anchors slow the team down, what wind propels it forward?
Good for the “gather data” and “generate insights” portions of a retrospective
90 – 120
Review, Plus-Delta, Vote, Actions, Owners
A weekly retrospective for your project
60
Use the answers as base to get all the good things and bad things that happened
A different way to “gather data” and to get all different opinions on a subject
60
An approach to scaling retrospectives by collecting outcomes across an Agile Release Train, Tribe or any multi team scenario.
Use for understanding challenges and opportunities across when scaling agile.
15-30
I’ve decided to try a few of these: Plan of Action, Start /Stop/ Continue/ More of/ Less Wheel, Retrospective Surgery, Four Ls Retrospective, and Bubble Up .  I also like the ideas listed in the Everyday Retrospective, but I’m not sure I can cram all of that into the 15 minutes I have allotted for each team scrum.  In any case, I’ll chronicle the results here over the next few weeks. 
I was most excited about Sailboat, because it was touted as being great for distributed teams.  I was excited until I went to the website and found that it is no longer available as a collaborative game.  However, there are many other tools on that website that I found useful.  For instance, I might do the “Actions for Retrospectives” game with my distributed teams.  You can check out all the fun at http://innovationgames.com/resources/instant-play-games/.  I might try using the Sailboat, though, for co-located teams. 

If you have any retrospective ideas you’d like to share, please let me know!  I welcome your feedback!  

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