Saturday, February 7, 2009

Flow Charts in the Wild


One of the easiest tasks I've ever had is to find examples of "bad" flowcharts. Just google "flow chart" or "flowchart" and one will pop up.

I didn't have to look for this one -- it arrived in an email on our neighborhood listserv. Oakland City Council will apparently be considering a youth curfew ordinance this month (see council agenda packet).

Aside from the chart, the packet makes for an interesting read. It's an nice example of combining political, fiscal, and legal considerations to sell an idea (note that we don't expect this sort of document to look at pros and cons -- the authors are trying to get this passed). It's also provides some interesting examples of throwing numbers around in dubious ways (for example, why would 23% of all juvenile crimes happening during 25% of the hours of the day be an argument for a curfew?).

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