Re: XP and Pair Programming

Laurent Bossavit wrote:
> Bjorn,
>
> > > As to how effective the 90-minute introduction by an extreme programming
> > > "professional" might have been in permanently instilling new skills in
> > > the students, that was not measured by the study.
> >
> > The same critique could be raised for the reviewers. How do we know
> > that they managed to learn reviewing within the introduction period?
>
> We don't. Note that the paper says that the subjects were instructed to
> carry out "checklist" reviews, which I vaguely recall from some
> empirical studies posted here are not the most effective kind of review.
>
> I have this suspicion that the study didn't really compare head-to-head
> the best practices in pair programming vs. the best practices in reviews
> (though it might have intended to), and instead it compared "an attempt
> at pair programming" with "an attempt at reviews".

"Compared to the pair programming overhead of 15% presented in [12],
the pairs performed well and it is not yet clear if they would improve
their performance further in successive assignments." p8

[12] is the Utah Study - L.Williams, R. Kessler, W. Cunningham, and R.
Jeffries. Strengthening the case for pair-programming. IEEE Software,
July/Aug. 2000.

>
> Laurent

.

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