On 7 Dec 2001 14:24:17 -0800, [EMAIL PROTECTED] (Dennis Roberts) wrote:
At 08:08 PM 12/7/01 +, J. Williams wrote:
On 6 Dec 2001 11:34:20 -0800, [EMAIL PROTECTED] (Dennis Roberts) wrote:
if anything, selectivity has decreased at some of these top schools due to
the fact that given
At 08:08 PM 12/7/01 +, J. Williams wrote:
On 6 Dec 2001 11:34:20 -0800, [EMAIL PROTECTED] (Dennis Roberts) wrote:
if anything, selectivity has decreased at some of these top schools due to
the fact that given their extremely high tuition ...
i was just saying that IF anything had
Just in case someone is interested in the Harvard instance
that I mentioned -- while you might get the article from a newsstand
or a friend --
On Sun, 02 Dec 2001 19:19:38 -0500, Rich Ulrich [EMAIL PROTECTED]
wrote:
[ ... ]
Now, in the NY Times, just a week or two ago. The
dean of
generally speaking, it is kind of difficult to muster sufficient evidence
that the amount of grade inflation that is observed ... within and across
schools or colleges ... is due to an increase in student ability
i find it difficult to believe that the average ability at a place like
harvard
On Sun, 02 Dec 2001 19:19:38 -0500, Rich Ulrich [EMAIL PROTECTED]
wrote:
With the curve, and low, low averages, you do notice
that a single *good* performance can outweigh several
poor ones. So that is good.
It is good, but conversely having several high scores even with low,
low averages
In article [EMAIL PROTECTED],
Thom Baguley [EMAIL PROTECTED] wrote:
Donald Burrill wrote:
On Fri, 23 Nov 2001, L.C. wrote:
The question got me thinking about this problem as a
multiple comparison problem. Exam scores are typically
sums of problem scores. The problem scores may be
Hi
On Tue, 27 Nov 2001, Thom Baguley wrote:
I'd argue that they probably aren't that independent. If I ask three
questions all involving simple algebra and a student doesn't
understand simple algebra they'll probably get all three wrong. In
my experience most statistics exams are better
Hi
On 25 Nov 2001, Herman Rubin wrote:
If it is a good test, ability should predominate, and there is
absolutely no reason for ability to even have close to a normal
distribution. If one has two groups with different normal
distributions, combining them will never get normality.
I think
At 01:35 PM 11/28/01 -0600, jim clark wrote:
Hi
On Tue, 27 Nov 2001, Thom Baguley wrote:
I'd argue that they probably aren't that independent. If I ask three
questions all involving simple algebra and a student doesn't
understand simple algebra they'll probably get all three wrong. In
my
Hi
On 28 Nov 2001, Dennis Roberts wrote:
At 01:35 PM 11/28/01 -0600, jim clark wrote:
The distribution of grades will depend on the distribution of
difficulties of the items, one of the elements examined by
psychometrists in the development of professional-quality
assessments.
unless
Donald Burrill wrote:
On Fri, 23 Nov 2001, L.C. wrote:
The question got me thinking about this problem as a
multiple comparison problem. Exam scores are typically
sums of problem scores. The problem scores may be
thought of as random variables. By the central limit theorem,
the
On Tue, 27 Nov 2001, Thom Baguley wrote in part:
Donald Burrill wrote:
On Fri, 23 Nov 2001, L.C. wrote:
The question got me thinking about this problem as a
multiple comparison problem. Exam scores are typically
sums of problem scores. The problem scores may be
thought of
In article [EMAIL PROTECTED],
L.C. [EMAIL PROTECTED] wrote:
The question got me thinking about this problem as a
multiple comparison problem. Exam scores are typically
sums of problem scores. The problem scores may be
thought of as random variables. By the central limit theorem,
the distribution
In article [EMAIL PROTECTED],
Donald Burrill [EMAIL PROTECTED] wrote:
On Sat, 24 Nov 2001, L.C. wrote:
As for the iid, it's reasonable to believe the questions could be
drawn from some population. Why not the answers?
If the questions are selected
Donald Burrill wrote:
On Sat, 24 Nov 2001, L.C. wrote:
Thanks for the reply!
As for the iid, it's reasonable to believe the questions could be
drawn from some population. Why not the answers?
If the questions are selected in accordance with some table of
specifications, they are
On Sat, 24 Nov 2001, L.C. wrote:
Thanks for the reply!
As for the iid, it's reasonable to believe the questions could be
drawn from some population. Why not the answers?
If the questions are selected in accordance with some table of
specifications, they are not from _a_ population, but
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