through doxygen,
the results are not that useful, but it is very cheap.
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Systems
Anderson School of Management
University of New Mexico
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are great teachers and can infuse the necessary skills in the most
incompetent of students.
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.
How to study programmer cognition. I guess you have to isolate the
part of cognition you want to study (from factors that might
interfere) using some suitably designed experiment and hopefully
get some results that backup your theory.
--
Derek M. Jones tel: +44 (0
% of the decisions made during debugging.
What happens in a 10 second time slot is my own interest in psychology
of programming. This is where all the cognitive stuff happens.
Longer term programming issues, like 1,000 seconds, are more strategic.
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this
site.
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PPIG
of the original
18 didn't understand the problem makes one wonder about the sample.
I would be very interested in hearing them. Readers of this list might
not be so keen, so perhaps you would send them to me direct.
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that there is a strong correlation between
developer performance and certain kinds of operator occurrences
in source code and no correlation for other kinds of measurements
of operators occurrences.
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set out to find out what those beliefs were by asking them to
answer precedence problems.
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ATROPHY and A_TROPHY is
arguably different from that between aTrophy and a_trophy.
You are assuming that the subject is a fluent speaker of English.
In this case I suspect that the surrounding context will play a major
role, ie is this software related to medial issues or sports?
--
Derek M
).
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Sarah,
Does anyone know of literature about slips (unconscious mistakes) in
programming practice?
Mind bugs by Kurt Vanlehn, ISBN 0-262-22036-9 is what you need to
read. Full of material and models of arithmetic mistakes.
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universal.
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All,
I have started the ball rolling on the psychology of
programming entry on Wikipedia.
Happy writing.
http://en.wikipedia.org/wiki/Psychology_of_programming
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experimental
evidence while they while away the time of discussion groups?
You are in danger of becoming an outcast. Oh, that Russel chap,
used to be an ok bloke until he got hooked on reality ;-)
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than if you over-specialise your
termination conditions.
Once you've got anything you understand it reasonably deeply.
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and grammar usage first?
Those going to to program professionally can always learn the
crinkly bits later.
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All,
For those of you who have forgotten the effects of reading
student code:
http://mileshotel.blogspot.com/2006/01/four-eyes-mind-fucking-pic.html
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Design and Analysis of Experiments by Douglas Montgomery
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possible for a reasonably
homogeneous group of people (ie, engineers) to be split
into two groups; those who love it and those who would only
use it if forced to.
derek
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Frank,
Well, I answered this off-list, but Derek's put it back on,
so I'll give one quick reply ...
Oops, sorry about that. I will try and pay more attention in future.
derek
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, and those of us who want better would
turn to our computers rather than pay the $500 price tag.
Isn't being good enough the aim of all product development?
Satisficing is something we humans do all the time.
derek
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on investment is the goal of product investment.
derek
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.
4 x (-5) delivers the expected result.
derek
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native Russian speakers, or whether being Russian was a convenient
label.
derek
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there, but it would help if you knew had read
something about the category learning first (the material
could have been better organised and a few more
diagrams would have helped).
derek
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university lecturers for teaching nonsense
might be a more efficient long term solution.
derek
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the interests of many of those on this list.
I don't see the psychology aspect of some of the threads I
see on the list and the only explanation I have for them is
oh, that's an academic thing.
derek
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in a rut will often only change when they are forced to and
working on your own reduces the likelihood of such forces occurring.
derek
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papers often acknowledge and take account of
the practical aspects of software development he is often quoted
by idealists as the posterchild of their cause.
derek
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, not everybody
agrees with me.
derek
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Carl,
All cultural conventions have to start somewhere. Irrespective of
whether i, j, k are good or bad (however they are measured), they are
not part of programming culture.
^^^
now
A Freudian slip or a simple typo?
derek
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what papers/books
would you recommend?
derek_farn ;-)
derek
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identifier naming might like to check out
www.knosof.co.uk/cbook/782.pdf (there is the new improved
proof-read version).
derek
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has pointed
out to me that the cost/benefit of experiments/empirical work
makes it unattractive. So academic software engineering would
appear to be locked into a vicious circle.
derek
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Derek M Jones tel: +44 (0) 1252 520
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they have not all reached
that stage yet).
Of course there is nothing to stop companies claiming that
their products are ergonomic, especially if it boosts profits!
http://www.theinquirer.net/?article=19042
derek
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and
what students don't need to know.
derek
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merry way is likely to be much more costly.
derek
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, artists,
musicians, anyone. Way beyond open source, it was a manifesto for
democratizing access to cultural participation at the most basic
level.
Sounds like this guy needs to start taking his medication again.
derek
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Derek M Jones tel: +44 (0
by adding the extensions
that the designer of the language did not include because they
were dangerous.
derek
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would recommend
that you base it on the results of experiments and measurements.
To much existing research is based on theoretical discussions
of 'interesting' ideas. This is a complete waste of time.
derek
--
Derek M Jones tel: +44 (0) 1252 520 667
development is
to make a profit and I know of plenty of product developments
where a lack of software engineering skills did not stand in the
way of making significant profits.
derek
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Derek M Jones tel: +44 (0) 1252 520 667
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of commonality of higher level constructs
across application domains (I think people tend to focus in on the
differences and ignore the commonalities), but I have no usage
measurements.
derek
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Derek M Jones tel: +44 (0) 1252 520 667
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).
I will also, in due course be adding information about the analysis of
design protocols, and they do look very interesting
many thanks
How do you plan to distinguish between design and discovery?
derek
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methodology and over hyped results.
derek
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).
What we need to do is accept both of them as given and start figuring out how
best to get them working together.
derek
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assessed and the five students with the highest scores and the five with the lowest
scores were used as expert and novice learners respectively in the rest of the
research.
I think it would be safe to say this researcher is incompetent.
derek
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this is best done).
Experts know what the chunks are, they are after a means of reducing
the cognitive effort needed to locate them in a visual display.
derek
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those that
appreciate the difference but cannot be bothered to invest their
time in doing it properly (these need to be showered with derision).
derek
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curve).
After all, they usually get to work with recent graduates with some degree
of regularity.
derek
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and the following is online:
www.uoi.gr/cerp/2001_October/pdf/10Lee.pdf
derek
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on Reading
available from:
www.psychology.nottingham.ac.uk/staff/Fernand.Gobet/ papers/Cogsci'97-thai.ps
and for a software development perspective there is always sentence 763,
available from that well known site: www.knosof.co.uk/cbook/cbook.html
derek
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Derek M Jones
how to talk to industry
and I'm sure academics feel the same way about people in industry.
derek
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is
not specific to C.
derek
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in Gawande's book. So 'failure' clinics might not
be practical.
derek
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/meaddebate.htm
This up huge front cost is yet another hurdle in the way of any
academic wanting to do commercially relevant research in
software engineering.
derek
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that there is a very low probability
of any solutions to software engineering problems coming from academia.
The people involved have little applicable knowledge and the social forces
involved are not pushing them in the appropriate direction.
derek
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Derek M Jones
0123507723
Publisher : Academic Press 1991
They have one for sale but the seller will only ship within
the US. :-(
derek
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transforming answers already given, to give new answers (which, if you have
that kind of mind, require less effort). This created a situation common to
reasoning research; subjects are not solving them problem the experimenter
thinks they are solving.
derek
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Derek M Jones
://www.accuconference.co.uk/
We ought to be able to attract 20, perhaps even 50 subjects.
The equipment will need to be at the paper and pencil level.
derek
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years,
I don't plan to hold my breath on a theory of teaching programming.
derek
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that
students would prefer to be seen with the Really Advanced Java book than
with Java for dummies.
I see that MITs open course ware, http://ocw.mit.edu/6/6.170/f01/index.html,
uses Java. However, I think most beginner students will find this hard going.
derek
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into account.
derek
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(their finding was that indoctrinating programmers in Literate Programming
You hit the nail on the head with indoctrinate.
derek
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or heard about that
study and can give me a clue of where to
track it down.
I would rethink what it is that you think you heard
somebody tell you.
derek
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.
derek
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(apart from all those French people,
perhaps the French like filling in online surveys, on the other hand I
don't speak French).
I wonder if these results will do anything to halt the many myths
that abound about open source development and developers?
derek
--
Derek M Jones
to be self serving. The accepted
view of what constitutes good language design also seems to change dramatically
over the years.
derek
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).
derek
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://hfac.gmu.edu/~gray/pubs/papers/FG-CogSc.htm
Developers making use of knowledge, during debugging, that is
later shown to be incorrect, is the root cause of some very long winded
debugging sessions.
derek
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tempted from the straight and narrow
(quite literaly)
You must have very knowledgeable colleagues, or ask simple questions ;-)
I sometimes post questions to news groups, as an act of desperation.
derek
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' in the sense of trendy, impress your fellow workers
sense. Not in the sense of neat and tidy.
derek
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by it.
But this time I thought I was onto a winner.
derek
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whose ambiguity is minimised when the
middle two letters are known (page 21), please let me know.
A phonological answer may be possible for English words, but
how could this apply to identifiers containing digits and missing
vowels?
derek
--
Derek M Jones
://citeseer.nj.nec.com/191521.html, looked at English
and French. If anybody want to do the measurements for
other computer languages they are welcome to the source
of my ambiguity calculation program. But they will need to
supply their own list of identifiers.
derek
--
Derek M Jones
of letters) deal with upper
and lower case letters (Swedish) only.
The OCR literature treats it as a machine learning issue. The
Kuennapas studies asked people for their views on the visual
similarity. Perhaps these should deliver the same final result,
but I am not convinced.
derek
--
Derek M Jones
and process (pp. 53-90). Hillsdale, NJ:
Erlbaum.
I have found this article online at:
http://www.ruf.rice.edu/~pomeran/articles.htm
derek
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All,
For those of you with an interest in common sense (or
the more respectable sounding implicit knowledge).
OpenCyc have just made their first major release.
http://sourceforge.net/projects/opencyc/
derek
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languages?
derek
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discuss this in another book.
Feedback most welcome.
derek
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people with coding skills. You are hanging on to
the people who are the hardest to find.
derek
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generalised concept than money.
derek
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by Ericsson
Lehmann, in Annual Review of Psychology 1996, 47:273-305. At least
for the expert stuff. I don't know about the brain usage research.
derek
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in increments to sell into the
different layers of society.
Not a bit of hand wringing doubt in sight. So much for ppigers
to learn from (apart from the dodgy scientific proof).
derek
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with developers. It creates an enormous amount of discussion
for very small (I would, unsubstantiatedly, claim) benefit. Let them
carry on doing that they are currently doing.
derek
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the effects of my being practiced in reading code this way. When I look
back at some of the Fortran I once wrote I am amazed anybody could ever
read it (perhaps they couldn't), but then I am out of practice at reading Fortran.
derek
--
Derek M Jones tel
strategies under different circumstances. This seems true of programming
also. The strategy picked when writing code from scratch might be different
than when maintaining code.
derek
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520 667
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research.
To get your foot in the door you will have to get to Coventry and
cough up £50 (it was around that last time, I don't know if they have
academic rates) under your own steam.
derek
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that makes up the whole. Programs tend to be large and
people usually work on parts of it.
'parts of program' understanding
module understanding
procedure understanding
software understanding
software comprehension
code understanding
code comprehension
derek
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Derek M Jones
out specific domain programming knowledge
from the other kinds of programming knowledge if progress is to be
made in understanding what programmers do.
derek
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you
present me with this program (but that is probably because I don't know
as much about psychology as I do about the C abstract machine).
derek
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. With so many competing ideas and each language
having different ways of structuring classes and inheritance, which seems
to influence so many peoples views on how to do it, I am staying well away
from this issue.
derek
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erties of an integer
representation.
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is that Mr/Mrs/Miz average is the person who needs
to be studied. A position I have followed in my guidelines (and expect to
get a lot of stick over).
derek
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would be
appreciated.
derek
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