...and when we talk about pedagogical content knowledge (PCK) in
instructor training, this is exactly the kind of thing we mean. If
someone would like to boil this down into a PR against the instructor's
guide (instructors.md) of either shell-novice or
python-novice-inflammation so that we can pass it on to future
generations, that would be wonderful.
Cheers,
Greg
On 2015-12-04 4:56 PM, Karin Lagesen wrote:
Just wanted to say thanks for the great suggestions!
Will try to incorporate and see what happens :)
karin
On 12/3/2015 4:23 PM, Tyson Whitehead wrote:
On December 3, 2015 10:24:44 AM Karin Lagesen wrote:
The more I teach, the more I realize that I am not really able to
convey what a for loop does to everybody. Do any of you have a
metaphor or something that you use for teaching it? I explain about
variables and collections, and the body of the loop, and I show
examples, but I am still not able to get through all the time.
How about starting with the unrolled version and then introducing for
as a better way to write it. For example
print "hi there, "bill"
print "hi there, "sue"
print "hi there", "bob"
Ask what is similar about all these? What is the underlying
"template"? Try and get them to identify something like
print "hi there", name
Then, in terms of this template, the above is
name="bill"
print "hi there", name
name="sue"
print "hi there", name
name="bob"
print "hi there", name
From there perhaps it isn't such a big stretch to go to
for name in ["bill","sue","bob"]:
print "hi there",name
especially if there is some way to step through this last one in a
debug mode so they can literally see what it is doing.
Cheers! -Tyson
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Dr. Greg Wilson | gvwil...@software-carpentry.org
Software Carpentry | http://software-carpentry.org
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