Blackwell alan.blackw...@cl.cam.ac.uk
To: Stefano Federici sfeder...@unica.it
Cc: Richard O'Keefe o...@cs.otago.ac.nz; Thomas Green
green...@ntlworld.com;
PPIG Listserve ppig-discuss-list@open.ac.uk; alan.blackw...@cl.cam.ac.uk
Sent: Monday, 21 March, 2011 7:59:15
Subject: Re: URGENT: Testing
Message-
From: Alan Blackwell [mailto:alan.blackw...@cl.cam.ac.uk]
Sent: 21 March 2011 11:59
To: Stefano Federici
Cc: Richard O'Keefe; Thomas Green; PPIG Listserve; alan.blackw...@cl.cam.ac.uk
Subject: Re: URGENT: Testing Inclination to Programming
I may have missed it, but I don't think I saw
On 2011-03-21 13:41, Enda Dunican wrote:
I have been reading this discussion with interest. Marian's message provoked
further thought. In recent months (as part of my involvement in sports
coaching), I have read a number of books that put forward the idea that rather
than being the cause of
But consider that the run of participations you're about to make
could just be a pilot.
I understand. To clarify my test, I'm not going to compare
Scratch/BYOB with my tool. I'm going to compare miniC (a minimal C
implementation built on BYOB) vs regular C environments. I want to
test if
Dear All,
I went through one of the suggested papers about self-efficacy
(Self-efficacy and mental models in learning to program, Ramalingam et
al, 2004). Unfortunately I'm at present totally unable to understand
the final results (path analysis of the model):
post Self-Efficacy (R2 =
1) If you're trying to set up balanced groups for a study, then you
only need to know about factors that will give a sizeable noise
level if they are not balanced across groups. That's what I thought
you wanted to do, am I right?
Yes, this is my main goal.
how good is the interface? If
On 19 Mar 2011, at 09:55, Stefano Federici wrote:
what I claim is the easiest programming environment ever designed so
far).
Er, yes. You might need to restrict what you mean by
'programming' . I regard using spreadsheets as programming. But
Scratch is very good at its job, to be
I regard using spreadsheets as programming.
Sure, I seen it the same way. Programming is creating general rules
that will apply to different cases/situations. Is organized and
logical thinking.
the worst threat to generalisability is probably the risk of
'experimenter effect', where
You might also have a look at David Greathead's doctoral dissertation
(2009) An Investigation into the Influence of Student Personality Type
and Other Factors on a Code Comprehension and Design Task in Java.
http://homepages.cs.ncl.ac.uk/david.greathead/formal/GreatheadThesisDoubleSpaced.pdf
Thanks again. But, as I said before, 298 pages are really too much for
me right now. If you could simply summarize his main ideas so that I
can design a sound test to group my students, I would really
appreciate it.
Thanks in advance
Stefano
Citando Marian Petre m.pe...@open.ac.uk:
You
Thanks a lot again
Short version: Look at the Rountree et al work for a summary of
previous studies. Have a look at one of the BRACE papers.
I will certainly do.
Read a good book on experiment design, and take into account
Thomas's advice about pilot studies. It's worth putting the
I'm listening, but have little to add. I just point back to Marian's list --
those are the issues, Stefano. Gather what data you can and hope that your two
groups are roughly equivalent on the variables you're hoping to control for.
A bigger issue (again, reflecting back to Marian's list) is
On 18 Mar 2011, at 14:40, Stefano Federici wrote:
Now I have an urgent need to know which (if any) are the specific tests that
would allow me to group students that have an inclination to programming from
students that have so such an inclination, and students that already know how
to
On 18 Mar 2011, at 17:28, Richard Bornat wrote:
Those who use the wrong model or no model can't program, whether or not they
say they can
I meant, of course, can't program _yet_.
Richard Bornat
--
The Open University is incorporated by Royal Charter (RC 000391), an exempt
charity in
Re self-efficacy, read
Unskilled and Unaware of it:
How Difficulties in Recognizing One's Own Incompetence
Lead to Inflated Self-Assessments
Kruger and Dunning
Psychology, 2009, 1, 30-46
Abstract
People tend to hold overly favorable views of their
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