29 MAR 2011 by ideonexus

 We Have No Book That Captures the Basic, Most Important R...

As individuals, we are amazingly ignorant and incapable. How many of us, alone in a wilderness, could make a flint knife? Is there anyone now alive who knows even a tenth of everything there is to know in science? How many of those employed in the electricity industry could make any of its components, such as wires or switches? The important difference that separates us from the social insects is that they carry the instructions for nest building in their genes. We have no permanent ubiquitou...
  1  notes

If civilization were to collapse, we would have no book by which to rebuild our scientific knowledge and how we came to it.

01 JAN 2011 by ideonexus

 Publication Bias Produces a "Decline Effect"

Jennions, similarly, argues that the decline effect is largely a product of publication bias, or the tendency of scientists and scientific journals to prefer positive data over null results, which is what happens when no effect is found. The bias was first identified by the statistician Theodore Sterling, in 1959, after he noticed that ninety-seven per cent of all published psychological studies with statistically significant data found the effect they were looking for. A “significant” re...
Folksonomies: research decline effect
Folksonomies: research decline effect
  1  notes

Because publications are biased towards positive results, when a phenomenon produced in earlier studies turns out not to be true, then later studies will increasingly have difficulty reproducing the results.