منابع مشابه
Poggendorff rides again!
The Poggendorff illusion is one of the most exhaustively studied illusions. Can it be revived as an interesting problem? Perhaps by moving it to a slightly different domain. Here, we consider the occlusion of a subjectively linear ramp of tonal values. In a simple experiment, we find results closely resembling those of the geometrical Poggendorff. Yet, the "explanations" offered for the latter ...
متن کاملDestiny rides again
All meetings on the human genome include at least one talk, and often an entire session, devoted to discussing the ethical, social and legal aspects of genome research. The questions are always the same. If it is true that we can read the futures of people from their genes, should we be doing genome research? And, if we are going ahead anyway, what will be the consequences for society? Some yea...
متن کاملR&D productivity rides again?
A recent analysis of R&D productivity suggests that there are grounds for 'cautious optimism' that the industry 'turned the corner' in 2008 and is 'on the comeback trail'. We believe that this analysis is flawed and most probably wrong. We present an alternative analysis of these same data to suggest that the industry is not yet 'out of the woods' and suggest that many of the systemic issues af...
متن کاملThe Devil Rides Again: Correlation as an Index of Fit
Correlations between theoretical predictions and data can be higher for incorrect than for correct models, as illustrated by analyses of two sets of hypothetical data. This fact raises questions about the conclusions of recent studies that use correlation as an index of fit. Functional measurement provides a sounder basis for model evaluation by placing scaling in the context of model fitting a...
متن کاملDestiny rides again: the reappearance of silicone gel-filled breast implant toxicity.
Background Twenty-five years ago attorneys representing ailing women in class action litigation against silicone breast implant manufacturers made the procedural error of defining silicone-induced toxicity in the courtroom before it was properly studied in the exam room. This aberrant methodology perverted the proper research process, rendered verification of any real disease elusive, and cemen...
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ژورنال
عنوان ژورنال: Nature
سال: 1970
ISSN: 0028-0836,1476-4687
DOI: 10.1038/226288a0