Python Productivity Gain?

[Matthias]

Harry George <harry.g.george at boeing.com> writes:

> It is common for a ComSci prof or grad student to crank up such a
> study, using undergrad and grad students as the subjects.  These
> subjects can generally be coerced to participate ("it is required for
> the course").  For "novice programmer" research, high school students
> are often used.  These tend to be self-selected, and ar not
> representative for the general population.

Are these studies published?  I see the limitations, but still would
be interested in the results.  So far, I found only the papers of Lutz
Prechtel et al. on the web.

  Matthias