Is Psychometric g a Myth?
- "As an online discussion about IQ or general intelligence grows longer, the probability of someone linking to statistician Cosma Shalizi's essay g, a Statistical Myth
approaches 1. Usually the link is accompanied by an assertion to the effect that Shalizi offers a definitive refutation of the concept of general mental ability, or psychometric g
." [more inside]
posted by kliuless
on Apr 11, 2013 -
The Logic of Diversity
"A new book, The Wisdom of Crowds
] by The New Yorker
columnist James Surowiecki, has recently popularized the idea that groups can, in some ways, be smarter than their members, which is superficially similar to Page's results
. While Surowiecki gives many examples of what one might call collective cognition, where groups out-perform isolated individuals, he really has only one explanation for this phenomenon, based on one of his examples: jelly beans [...
] averaging together many independent, unbiased guesses gives a result that is probably closer to the truth than any one guess. While true — it's the central limit theorem
of statistics — it's far from being the only way in which diversity
can be beneficial in problem solving." (Three-Toed Sloth)
posted by kliuless
on Jun 20, 2005 -
This is good
, an international not-for-profit organization of libraries, museums, and other research institutions, comes this incredibly useful research tool. Start with as vague a query as you like, it'll provide an ordered list of search limiters to help you zero in on the resources you need in a far more organic and rapid fashion than similar tools I've seen. An invaluable resource for students, librarians, and the curious.
posted by Grod
on Apr 27, 2005 -
Too Much Information?
Heavy information overload: the world's total yearly production of print, film, optical, and magnetic content would require roughly 1.5 billion gigabytes of storage. This is the equivalent of 250 megabytes per person for each man, woman, and child on earth.
posted by faithnomore
on Oct 24, 2000 -