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118807Re: [XP] Re: Distributed XP

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  • Jason Nocks
    Apr 7, 2006
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      On Tuesday 04 April 2006 6:05 am, Keith Braithwaite wrote:
      > --- In extremeprogramming@yahoogroups.com, "Keith Ray" <keith.ray@...>
      >
      > wrote:
      <snip>

      > Lets be careful with these numbers. I find the paper a bit incoherent,
      > seems to jump around a lot between the general, the specfic, personal
      > anecdote and focused experience reoprt, but section 6 seems to be the
      > meat.
      >
      > It states that an (unspecified, no citation) colocated SCRUM team did
      > 959 Function Points in 54 person months, or 17.8 FP/person-month.
      > Whereas the distributed team described in the paper did (via a
      > slightly fishy reverse lookup) 12673 FPs in 827 person months, or 15.3
      > FP/person-month. A 16% difference. How bad is that? Depends on your
      > prefered figure of merit.
      >
      > Interestingly, the paper compares these figures against an industry
      > average FP/person-month for projects _of that size_, whereby the
      > colocated SCRUM team is 42% more productive that the industry average
      > for projects of 1000FPs or so. But the distributed team is around 400%
      > more productive than the industry average for projects in the 10,000's
      > of FPs.
      >
      > Assuming that the colocated team could maintain their 17.8 FP/pm for
      > the whole duration, and all other things being equal, the 4.5 person
      > [sic] co-lo team would have taken slightly less than 160 months to
      > complete the 12000+ FPs. The distributed team took 14.5 months.
      >
      <snip>

      >
      > Something to think about.

      The book, "Slack: Getting Past Burnout, Busywork, and the Myth of Total
      Efficiency" strikes me as oddly relevant, particularly the "Myth of Total
      Efficiency" part. Just my $.02.

      > Keith

      Cheers,
      Jason Nocks
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