Joe Ward wrote:
Yes, there occasionally were discussions in our Air Force research
whether or not we were working with the POPULATION or a SAMPLE.
As Dennis comments:
|
| the flaw here is that ... she has population data i presume ... or about
| as
| close as one can come to it ... within the
Want to buy: Optimal Stopping Rules (Shiryayev)
will buy at 1.5 times last listed price (oe negotiate). Must be complete (no
missing pages).
Reply to "from" address or (preferably) to [EMAIL PROTECTED]
Thanks.
===
This
Depends on whether you consider a lack of item homogeneity as unreliability
or not. If your content is supposed to be homogeneous then a lack of
homogeneity implies your test has problems. If your content is not
necessarily homogeneous then the reduced alpha appears to say that your
test is
Please forgive my cross-posting, but I am trying to reach as many
people as possible.
I'd like to present another avenue through which people can post
comments and questions about psychometrics and about graduate study
in educational measurement. To minimize spamming, only subscribers
can
Herman Rubin wrote:
The truth myth is highly persistent. We have the Delaney
Clause, which requires the FDA to ban any additive "which
has been found to cause cancer in humans or animals".
Now what does this mean? It is unlikely that anything
does not affect the cancer rate.
We do not
I have two physiological signals (discharge rate of a neuron and
electrical voltage [EMG] of a muscle). I'd like to determine the
cross-correlation between the two signals as a function of time (i.e. if
a "relationship" between the two signals exists, how does this
"relationship" change over
I have never said that split half is better in general. In general, alpha
is probably better. But in those instances when alpha doesn't fit, the
split half technique may be quite useful. Coefficent alpha is based upon a
model like all of statistics. If the model is inappropriate, then some
other
On Mon, 17 Apr 2000 20:07:56 GMT, Charles D Madewell
[EMAIL PROTECTED] wrote:
As a working engineer and part time graduate student I do not even
understand why anyone would want to do away with hypothesis testing.
I have spent many, many hours of my graduate school life learning,
reading,
Hi,
Everyone has a program (in excel) to performe multiple linear
regression? If possible, I'd appreciate to have a copy. Thank you in
advance.
--Marco A. Chamon
===
This list is open to everyone. Occasionally, less
On Mon, 17 Apr 2000 15:26:16 -0700, einsetein
[EMAIL PROTECTED] wrote:
reformating ..
We have 2 groups reporting on the major problem for attending college.
You have identified two groups, after the fact? ...
We are trying to see if the different response numbers are statistically
At 03:37 PM 4/18/00 -0400, Rich Ulrich wrote:
I don't know how well they handle real data, but (a) Dennis has seemed
to fail this STANDARD, on certain hypothetical questions. However, I
don't like those hypothetical questions, because it is too easy to
pretend that they are something else. I
Spot on, Robert.
Alan
Robert Dawson wrote:
Joe Ward wrote:
Yes, there occasionally were discussions in our Air Force research
whether or not we were working with the POPULATION or a SAMPLE.
As Dennis comments:
|
| the flaw here is that ... she has population data i presume ... or
Here is a little bit of answer ...
On 17 Apr 2000 07:39:02 -0700, [EMAIL PROTECTED] (Robert McGrath)
wrote:
Snip. Concerning predictors based on field studies. ...
predictors were all dichotomous, were related to a series of criteria,
some of which were dichotomous and some of which were
Hi Dennis,
Robert's observation is 'spot on' because it is the way things are, rather than the
way we would like to think things are. I (of course) agree that people writing
papers should have some sense of proportion the claims made in their papers.
Nevertheless, if you want to study the gag
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