“Notice that the stiffest tree is most easily cracked, while the bamboo … survives by bending with the wind.” ~ Bruce Lee Pedro stood at the front of the room and told a story about how, when struggling with a difficult class, he’d received advice to “be like bamboo” from… Read More »Be like bamboo
There are lots of ‘health check models’ out there. Most of them attempt to summarise and visualise how teams are doing, and seek areas of improvements. They are sometimes run by managers, sometimes by coaches, sometimes by teams in workshops. Over the years, I have discarded approaches that ‘score’ teams… Read More »Health checks
It’s time to throw out that Christmas CD. Seriously, I don’t want to listen to Lennon’s So This Is Christmas ever again. The alternative? Our tongue-in-cheek agile and lean-related playlist. It was born during lunch at this year’s Kanban retreat in Lisbon. Even Flow by Pearl Jam was an early… Read More »Scrum & Kanban playlist
How much information can a triangle give you? Well, if it’s on a CFD (‘Cumulative Flow Diagram’), then it appears to be quite a lot. After sitting in a presentation recently, someone came up to me to ask how changes in WIP, Cycle Time and Delivery Rate alter the shape of… Read More »Little’s Law and CFDs
The Iron Triangle There’s a concept that we frequently use in development called the iron triangle. The concept is that there are three factors: time cost (usually meaning people) scope It’s okay to have one or two of these fixed, but definitely not all three; at least one of these… Read More »The Iron Pyramid
As Jeff Sutherland finished describing how important the burndown chart had been in the creation of Scrum, I started feeling guilty for my previous attacks [on burndowns, not on Jeff]. But then I started thinking of examples of how burndowns can easily fail to reflect reality. Even if we ignore… Read More »Burndown versus CFD
Today, Emily Webber and I launched Agile on the Bench. Our idea was simple: people gather around a bench and listen to short talks on agile. In the spirit of Speaker’s Corner, we wanted to create a cheap, fun, and no-tech platform for people to share ideas, raise questions and… Read More »Agile on the Bench
What is Little’s Law? If you have a stable system (e.g. one-in-one-out), then the average number of customers you have within that system is equal to the average rate of customer arrivals multiplied by the average time a customer spends in the system. That was the law proposed by John… Read More »Little’s Law
How effective are your daily stand-ups? Do you think you could spot bad traits if they happened? Could you spot them in others’ meetings? Some of you will remember that, at this year’s Scrum Alliance retreat, a bunch of us identified that many Scrum Masters don’t have a support network… Read More »New movie: “Bad stand-up”
I heard Mike Burrows talk about STATIK at the Kanban Leadership Retreat in June. STATIK is an acronym for Systems Thinking Approach To Introducing Kanban, a good title for the process of bringing the following steps into play: Understand sources of dissatisfaction Analyze demand and capability Model the knowledge discovery… Read More »STATIK
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