Devopsdays Mountain View 2012 Ignite on Letting Go
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The document discusses the concept of cognitive bias and the sunk cost fallacy, emphasizing the tendency to hold onto invested efforts despite their lack of value. It highlights the importance of visualizing abandoned work to facilitate discussions for improvement and advocates for learning from sunk costs to move forward. Key references include ideas from notable figures like Eric Ries and Mike Burrows, indicating the psychological aspects of decision-making in business contexts.
Devopsdays Mountain View 2012 Ignite on Letting Go
- 1. Learning to Let Go - Cognitive Bias and Sunk Cost Dominica DeGrandis @dominicad Devopsdays Mountain View 2012
- 4. Looking at “abandoned work” hit a nerve.
- 6. waste
- 7. Every idea coming down the pipe won’t make it. analyze dev test monitor idea maintain design build deliver
- 9. Sunk cost fallacy Studies going back to the 1970s show we don’t equate loss and gain.
- 10. Sunk Cost Fallacy Aversion to loss leads us to want to hang on to things that we’ve invested heavily in.
- 11. “When it came 5me for us to change company direc5ons, I had to be dragged kicking and screaming. I did not want to let go of all that code. “ -‐Eric Ries
- 12. Showing abandoned work Attribution to Mike Burrows - @asplake
- 13. Showing abandoned work Attribution to Mike Burrows - @asplake
- 14. Don’t waste the waste! Attribution to Mike Burrows - @asplake
- 15. How will we know? 120 100 On hold Proposed 80 Prioritised Ready for Dev Dev 60 Testing Ready for Release Released 40 Implemented 20 0 Attribution to Mike Burrows - @asplake
- 16. Showing abandoned work Attribution to Mike Burrows - @asplake
- 17. Deployed, but never used 120 100 On hold Proposed 80 Prioritised Ready for Dev Dev 60 Testing Ready for Release Released 40 Implemented 20 0 Attribution to Mike Burrows - @asplake
- 18. What’s the point? 1. Visualizing abandoned work is a good thing. it provokes discussions that pave the way for improvements. 2. Learn from sunk costs and move on.
- 19. Sources Kanban, Successful Evolu1onary Change for Your Technology Business, 2010 David J. Anderson, @agilemanager hSp://agilemanagement.net/index.php/kanbanbook/ Startup Lessons Learned. Throwing away working code, Eric Ries, 2009 @ericries hSp://www.startuplessonslearned.com/2009/02/throwing-‐away-‐working-‐code.html You Are Not So Smart. The Sunk Cost Fallacy, David McRaney @davidmcraney hSp://youarenotsosmart.com/2011/03/25/the-‐sunk-‐cost-‐fallacy/ Don’t Waste the Waste, Mike Burrows, 2012 @asplake hSp://posi5veincline.com/ The Framing of Decisions and the Psychology of Choice , Amos Tversky; Daniel Kahneman Science, New Series, Vol. 211, No. 4481. (Jan. 30, 1981), pp. 453-‐458 hSp://www.jstor.org/discover/10.2307/1685855?uid=3739656&uid=2&uid=4&uid=3739256&sid=56280093313
- 20. Learning to Let Go - Cognitive Bias and Sunk Cost Dominica DeGrandis @dominicad Devopsdays Mountain View 2012