So Kyle posited over chickens feet that “feedback systems” were the fundamental principle of agile. More fundamental than the other core values agilists are prone to talk about, like courage, respect, honesty, and pizza.
I pondered his idea for a day or two, are “Feedback systems really the fundamental value in agile?” As soon as Kyle pointed it out I could feel it was true. Now, after a few days of musing I was thoroughly convinced the answer to the question was ‘yes.’ Yes, it was the fundamental value. Or, more emphatically, Yes. Or, perhaps better YES YES YES YES YES (think ‘When Harry Met Sally’ the Katz’s Delicatessen scene.)
Look at the core agile/XP values through a feedback lens:
Courage is the ability to be honest and transparent feedback.
- “We are behind schedule.”
- “I have too much to do.”
- “This will actually cost more than our budget.”
It takes courage to be transparent in our actions and to provide everyone else around real and honest data. Courage is an expression of our willingness to give our organization the truth as we best see it. Given that some organizations fire you if you give truthful feedback (seen it happen to folks) it really does require courage.
Simplicity is measured directly through feedback. I don’t get to declare the simplicity of my design or solution or code, it is only in feedback from others on the team or from users that I realize I have done something too complex, something they do not inherently understand.
Communication is accomplished through creating a series of continuously running feedback loops. Some feedback loops run every few seconds, some every few minutes, some a few times and hour, a day, a week, or a month. But all communication is clearly designed to provide direction and actionable Feedback. The five Scrum agile ceremonies contain within them over 70 specific feedback loops, the XP development practices another 70. Look at Don’s Well’s original drawings on ExtremeProgramming.org, it is all lfeedback loops within feedback loops within feedback loops.
Respect, well, I’ll let you fill in the details of how open, honest, and transparent feedback loops are all a display of respect. A system of respect.
After I fully digested this new insight into Agile I decided to push Kyle further, invite him out to breakfast and see if he had any other Agile ‘simplifications’, was there something more fundamental than Feedback loops? I had to ask. His answer might surprise you. Next post.
-Tom
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