منابع مشابه
Surrogate outcomes: a cautionary note.
See related article, pages 1353–1358. Drug development for acute stroke treatments is complex, very expensive, very time-consuming, and frequently disappointing. Surrogate outcome theory states that new therapies for stroke could be evaluated with smaller sample sizes than are required when traditional functional outcome measures are used by using surrogate outcomes in clinical trials. This wou...
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An increasing number of systems, from pay-TV to electronic purses, rely on the tamper resistance of smartcards and other security processors. We describe a number of attacks on such systems — some old, some new and some that are simply little known outside the chip testing community. We conclude that trusting tamper resistance is problematic; smartcards are broken routinely, and even a device t...
متن کاملPsychogenic syncope? A cautionary note.
INTRODUCTION In some patients with recurrent syncope, the etiology may remain unclear despite extensive evaluation. These patients may sometimes be labeled as having a "psychogenic" cause for their syncope. METHODS We report on three patients with recurrent unexplained syncope (despite extensive evaluation) who were labeled as having a psychogenic cause for their events. In each patient follo...
متن کاملA Cautionary Note on an Easy Mistake
Moreover, I also demonstrate that the available data are consistent with the view that at birth the only difference between the hemispheres is that the left hemisphere has more computational power. This implies that the evolution of asymmetries could be the direct result of the evolution of a general physical asymmetry (in size at birth, oxygenization, metabolic rate, perinatal maturation rate)...
متن کاملA cautionary note on global recalibration
We report a mathematical result that casts doubt on the possibility of recalibration of probabilities using calibration curves. We then discuss how to interpret this result in the light of behavioral research.
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ژورنال
عنوان ژورنال: Quality and Safety in Health Care
سال: 1997
ISSN: 1475-3898,1475-3901
DOI: 10.1136/qshc.6.1.56