How to Think Like a Genius 49–190s
Author(s): Scott Douglas Jacobsen and Rick Rosner
Publication (Outlet/Website): Medium (Rick Rosner)
Publication Date (yyyy/mm/dd): 2018/06/22
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Scott Douglas Jacobsen: With respect to the 190s or the 180s or 170s, you’re dealing with a much smaller proportion of the population. Does this then lead to larger margin of error in terms of scores?
Rick Rosner: Yea! These are wobblier tests. When you’re going up against the Stanford-Binet and has been around for a century and has probably been administered to millions of people, which gets renormed every tens years or so, there’s a thing called the Flynn Effect, which is that people get better at IQ type thinking because pop culture saturates the world and certain kinds of thought are measured by IQ tests and become more general knowledge among the world’s people.
So, the world’s IQ has gone up since WWII something like 15 or 20 points, which doesn’t man we’re smarter than the people in WWII, but it means we’ve had more practice and exposure to certain kinds of thinking. So, where few people might get a score of 140 on a standard Stanford-Binet from 1960, ten times as many people might — or a percentage that is ten times higher might — get a score of 140 now because people are more hip to that kind of thinking now.
So, that test needs to be renormed and so somebody getting a 140 on that test now might get a 120 on a more reasoned version of that same test. But anyway, people wanted to see if they could differentiate at higher levels to find super super geniuses, which is kind of — I think these tests originated in America with Kevin Langdon and Ron Hoeflin. Now, they come from all over the place. Paul Cooijmans from the Netherlands. A guy from Italy — we’ll look up his name. There’s Jason Betts from Tasmania, Australia.
There are hundreds of these tests you can find if you poke around on it long enough.
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