Hi
On 24 May 2001, David Heiser wrote:
Be careful on your assumptions in your models and studies!
---
Placebo Effect An Illusion, Study Says
By Gina Kolata
New York Times
(Published in the Sacramento Bee, Thursday, May 24, 2001)
...
He and
jim clark wrote:
Was there some reason that they did not include studies with only
2 groups: no treatment and placebo? Only those two groups are
necessary to determine whether placebo differs from no treatment.
Possibly because ethics committees would not OK an experiment that
Hi,
I am deperately looking for a good documentation on SAS/STAT Output
(e.g. proc DISCRIM, etc.) So far I have been working with SPSS and it
seems to me that the output is quite different. (But it should be the
same ?!
Thanks a lot in advance.
Anna Nass
On Thu, 24 May 2001 23:25:42 GMT, W. D. Allen Sr.
[EMAIL PROTECTED] wrote:
And this proved to me , once again,
why nuclear power plants are too hazardous to trust:...
Maybe you better rush to tell the Navy how risky nuclear power plants are!
They have only been operating nuclear power
Get all the samples you can afford!
Text book recipes on determining sample size implicitly assume that all the
elements of the population in question are selected randomly [ equally
likely to be selected ].
Voluntary response to a mail-in survey means you will get only those samples
that
On 24 May 2001 21:39:17 -0700, [EMAIL PROTECTED] (David Heiser) wrote:
Be careful on your assumptions in your models and studies!
---
Placebo Effect An Illusion, Study Says
By Gina Kolata
New York Times
(Published in the Sacramento Bee,
I am not impressed. I don't think much of people who compare placebo with
no treatment; seems stupid to me. I would expect a placebo in any case
in which the evaluation is a human judgement or one's expectation could
reasonably be expected to affect a measured response. Thus I think you
could
Try looking for ftp://ftp.sas.com/techsup/
Uzytkownik Anna Nass [EMAIL PROTECTED] napisal w wiadomosci
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
Hi,
I am deperately looking for a good documentation on SAS/STAT Output
(e.g. proc DISCRIM, etc.) So far I have been working with SPSS and it
On 25 May 2001 19:39:50 GMT, Elliot Cramer [EMAIL PROTECTED]
wrote:
I am not impressed. I don't think much of people who compare placebo with
no treatment; seems stupid to me. I would expect a placebo in any case
in which the evaluation is a human judgement or one's expectation could
Rich Ulrich [EMAIL PROTECTED] wrote:
: - I was a bit surprised by the newspaper coverage. I tend to
: forget that most people, including scientists, do *not* blame
: regression-to-the-mean, as the FIRST suspicious cause
: whenever there is a pre-post design: because they have
: scarce
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