Alan Zaslavsky wrote:
There is a big statistical literature on how to measure school performance.
The models used tend to be relatively complex ones, e.g., multilevel models to
take account of region, school, year and so on. The sad thing here is that
(whatever the main cause or causes) they are
Logistic regression and Relative risk (RR)
In some statistical applications (eg. SAS) RR is an option in logistic
regression. This is rarely used in Scientific literature where some authors
even report odds ratios (OR) as RR. This is seen even in recent papers in
the New England Journal of
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In one way or another, we have to give the slower students more time. We
can do it by making courses which allow students to progress (or
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In article [EMAIL PROTECTED],
[EMAIL PROTECTED] (Robert J. MacG. Dawson) wrote:
Snip
Wait one... Regression to the mean occurs because of the
_random_
component in the first measurement. Being in an urban center is not
part
of the random component - those schools' grades didn't
Robert J. MacG. Dawson [EMAIL PROTECTED] wrote:
Therefore, I would not expect regression to the mean to be sufficient
to explain the observed outcome (in which "practically no" top schools
met expectations); and I conclude that the goals may well have been
otherwise unreasonable.
snip
The local schools are already being forced to teach to the test. I
reviewed my older daughter's science text and thought it was apalling.
There would be a 10-page section mediocre discussion of pressure in the
ocean and atmosphere, followed by an inane 10-p discussion of pressure
in the
The school results are presented in a very odd fashion, making it
difficult to assess the patterns.
http://www.doe.mass.edu/ata/ratings00/SPRPDistribTables.html
They are that. Let's try.
These data don't look at all like the newspaper story. Here they are,
with outcomes given as
In my last posting I omitted the "very high" group on the grounds of
small size. In case anybody's curious, here's what the plot looks like
with those data included (coded as "*"; note that the vertical "error
bars" on these would be very wide!)
Proportion of schools improved by fewer
At 11:42 AM 1/12/01 -0600, Paul R Swank wrote:
snip
The local schools are already being forced to teach to the test.
AH HA ... THE TEXAS PLAN
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In article [EMAIL PROTECTED],
[EMAIL PROTECTED] (Robert J. MacG. Dawson) wrote:
The school results are presented in a very odd fashion, making it
difficult to assess the patterns.
http://www.doe.mass.edu/ata/ratings00/SPRPDistribTables.html
They are that. Let's try.
These data
I thought readers of sci.stat.edu might be interested in this book. For
more information please visit
http://mitpress.mit.edu/promotions/books/KARDPF00.
Jud
Advances in Distributed and Parallel Data Knowledge Discovery
edited by Hillol Kargupta and Philip Chan
foreword by Vipin Kumar
Hi Dennis et al.
The best reference concerning regression to the mean(rtm) is Dave Kenny!
Bookmark his homepage:
http://nw3.nai.net/~dakenny/kenny.htm
(Its an exciting one for still others reason than rtm )
Dave had finalized a book about rtm which he had started to write which the
late Don
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