Crowdfunded Science Is Here. But Is It Legit Science? A crowdfunding campaign for a brain imaging study closed Monday after raising almost $80,000 toward a unique goal: the first functional magnetic resonance images of the brain on LSD. The Beckley Foundation, a UK-based charitable trust that promotes research and awareness of psychoactive drugs, will use the money to scan volunteers who’ve dropped acid.
Such are the sacrifices people will make for science. Now, it’s little surprise scientists studying the effects of illicit drugs must sometimes find unconventional benefactors—or that thousands of people would invest in seeing the brains of volunteers tripping balls. But in recent years, crowdfunding has grown increasingly popular among researchers in nearly every field. In the US, most scientific funding comes from the government, distributed in grants awarded by an assortment of federal science, health, and defense agencies.
On its own, the fact that scientists are seeking new sources of funding isn’t so weird. You and Your Research. Transcription of the Bell Communications Research Colloquium Seminar 7 March 1986 J. F. Kaiser Bell Communications Research 445 South Street Morristown, NJ 07962-1910 jfk@bellcore.com At a seminar in the Bell Communications Research Colloquia Series, Dr. In order to make the information in the talk more widely available, the tape recording that was made of that talk was carefully transcribed. As a speaker in the Bell Communications Research Colloquium Series, Dr. Alan G. Dick is one of the all time greats in the mathematics and computer science arenas, as I'm sure the audience here does not need reminding. While our professional paths have not been very close over the years, nevertheless I've always recognized Dick in the halls of Bell Labs and have always had tremendous admiration for what he was doing.
I think I last met him - it must have been about ten years ago - at a rather curious little conference in Dublin, Ireland where we were both speakers. It's a pleasure to be here.
Robotics. Deri. AGU. American Geophysical Union. Earth - Oceans - Atmosphere - S. Accuracy and precision. Accuracy is the proximity of measurement results to the true value; precision, the repeatability, or reproducibility of the measurement A measurement system can be accurate but not precise, precise but not accurate, neither, or both. For example, if an experiment contains a systematic error, then increasing the sample size generally increases precision but does not improve accuracy. The result would be a consistent yet inaccurate string of results from the flawed experiment.
Eliminating the systematic error improves accuracy but does not change precision. A measurement system is considered valid if it is both accurate and precise. Related terms include bias (non-random or directed effects caused by a factor or factors unrelated to the independent variable) and error (random variability). The terminology is also applied to indirect measurements—that is, values obtained by a computational procedure from observed data. Quantification[edit] With regard to accuracy we can distinguish:
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