An “information refrigerator” requires you to actively pull information. It’s like having to open a refrigerator door, reach in, and retrieve the information. Example: Word document on shared file storage.An “information radiator” pushes information to you. Information radiates from it. You can’t ignore the information unless you actively try to avoid it. Example: Card wall.
NOTE: I will be rather harsh for instruction purposes
Kanban Board and Visual Controls Guide
Kanban Board and Visual Controls Guide Limited WIP Society email@example.com http://jchyip.blogspot.com @jchyip
Knowledge work is invisible Problems with physical work are obvious Problems with knowledge work are non-obvious 3
Information refrigerator vs radiator Actively makes it difficult for you to Requires you to actively look for ignore information (e.g., Agile information (e.g., Word doc) board) 4http://alistair.cockburn.us/Information+radiator
WHAT’S AN EFFECTIVE INFORMATIONRADIATOR / VISUAL CONTROL? 5
What’s an effective information radiator / visual control? • Is large and easily visible to the casual, interested observer • Is understood at a glance – self explaining • Changes periodically, so that it is worth visiting • Is easy to change and keep up to datehttp://alistair.cockburn.us/Information+radiator 10http://www.bulsuk.com/2011/01/three-rules-of-effective-visuals.html#axzz24LDnrXCW
Supporting Aspects of a Kanban board• Colour: For example, colour coding for different work types• Position: For example, more important items are higher on the board• Framing: For example, separate lanes for each major feature• Text: Big writing, small caps, avoid cursive 19
Kanban board checklistEasily visible? Understood at a glance? – How should an observer interpret the board? What are the policies? – What is the purpose? – What is the workflow? – What is being worked on? – Who is working on what? – What are the current problems? How easy is it to see problems? – What are the WIP limits (if any)?Changes periodically? Easy to change? – Is the board up to date? – How easy is it to keep the board up to date? 22
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