RE: Pair Programming

Bill,

> The discussions have most often focused on the Productivity question,
e.g.,
> is productivity higher or lower using PP than solo programming.  I've not
> felt comfortable that this was really an issue.  Laurie Williams research
> shows a slight drop in productivity, albeit with higher quality output,
> but as Glen's noted, the drop Williams reported isn't statistically
> significant.  So that strikes me as, as J. B. put it, a Red Herring,
> i.e., an argument that's meant to divert attention away from the real
issue.

Just a side note... most discussions I've had with managers who were
unaware of XP were not about whether productivity was higher or lower
but about their presumption that productivity doing pair programming
is half of solo. I don't have Laurie's data so I can't determine the
significance of the data in evaluating the hypothesis that programming
takes twice as long using pairs. However, it seems a fairly convincing
proof that it isn't the case.

On the main issue, that of HR policy, I'll point out again that many
companies report using pairing successfully in the presence of flextime.
I suspect that results vary depending on the culture and policies in
place at a particular company.

Charlie Poole
[email protected]
www.pooleconsulting.com
www.charliepoole.org





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