Kevin,
A peculiar side track of your topic is the tomato effect, a type 4 error.
The result of empirical research on effectiviness of a treatment is false
negative.
2 references about type 3 & 4 errors.
Goodwin JS, Goodwin JM. The tomato effect. rejection of highly effacious
therapies. JAMA 1984; 251: 2387-90.
Robin ED, Lewiston NJ. Type 3 and type 4 errors in the statistical
evaluation of clinical trials. Chest 1990; 98: 463-5.
Nico van Duijn
----- Original Message -----
From: Kelleher, Kevin <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, December 14, 2000 4:40 PM
Subject: Evidence of Ineffectiveness
> Can anyone point me at examples of evidence based ineffective therapies or
tests for a talk I am to give thanks
>
> Slainte
>
> Kevin
>
> Dr Kevin Kelleher
> Stiurthoir Slainte Poibli(DPH)
> Mid-Western Health Board
> 31 Catherine Street
> Limerick
> IRELAND
> Tel: +353-61-483338
> Fax: +353-61-483211
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> Web: http://www.icsp.ie
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