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-----Original Message-----
From: phys-l-bounces@carnot.physics.buffalo.edu
[mailto:phys-l-bounces@carnot.physics.buffalo.edu] On Behalf
Of Jack Uretsky
Sent: Saturday, August 06, 2011 12:31 AM
To: Forum for Physics Educators
Subject: Re: [Phys-l] Lecture Isn't Effective: More Evidence #2
Hi all-
As physicists, looking at the results of measurement
(fci scores) we should start by looking at the measurement
tools. The tools are self-reported "gains" on repeditive
admininistrations of the fci. For starters, lets ask, what
fraction of the tests given reviewed the answers, giving the
"forrect" answers, after an fci test? The first test? which
subsequent test?
I note that in real life pysics experimatents, data are
often encoded to eliminate the possibility of conscious or
"unconsciaus" bias.
To what extent are such precautions taken in "PWE" testing?
My take is that "PWR results" constitute the great
Hornswoggle of the American Phyics Education community.
Regards,
Jack