andrew_gelman_stats andrew_gelman_stats-2010 andrew_gelman_stats-2010-477 knowledge-graph by maker-knowledge-mining
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Introduction: From the Gallup Poll : Four in 10 Americans, slightly fewer today than in years past, believe God created humans in their present form about 10,000 years ago. They’ve been asking the question since 1982 and it’s been pretty steady at 45%, so in some sense this is good news! (I’m saying this under the completely unsupported belief that it’s better for people to believe truths than falsehoods.) One way to think of this is that, for the overwhelming majority of people, a personal belief in young-earth creationism (or whatever you want to call it) is costless. Or, to put it another way, the discomfort involved in holding a belief that contradicts everything you were taught in school is greater than the discomfort involved in holding a belief that seems to contradict your religious values (keeping in mind that, even among those who report attending church seldom or never, a quarter of these people agree that “God created humans in their present form about 10,000 years ago”).
sentIndex sentText sentNum sentScore
1 From the Gallup Poll : Four in 10 Americans, slightly fewer today than in years past, believe God created humans in their present form about 10,000 years ago. [sent-1, score-1.136]
2 They’ve been asking the question since 1982 and it’s been pretty steady at 45%, so in some sense this is good news! [sent-2, score-0.178]
3 (I’m saying this under the completely unsupported belief that it’s better for people to believe truths than falsehoods. [sent-3, score-0.625]
4 ) One way to think of this is that, for the overwhelming majority of people, a personal belief in young-earth creationism (or whatever you want to call it) is costless. [sent-4, score-0.373]
5 Some of this is political (see further discussion here ), but lots of Democrats and independents believe that 10,000 years thing too, so, just as with impressions about inflation and unemployment, it looks like there’s just a high general level of ignorance on the matter. [sent-6, score-0.749]
6 I don’t really have any comment on the “God guided the process” bit, as it seems vague enough to mean just about anything. [sent-10, score-0.269]
7 (I’m not saying it’s a bad survey question, just that it could pretty much mean whatever you want it to mean. [sent-11, score-0.15]
8 ) Also, I suspect that many biologists would object to the “less advanced forms of life” bit, but I think I know what people think when this question is asked. [sent-12, score-0.695]
9 Yes, I know that people are ignorant on many many topics, not just evolution, inflation, and unemployment. [sent-16, score-0.163]
10 Feel free to leave your favorites in the comments. [sent-17, score-0.087]
11 The question appears to be so that you have to either believe in evolution, or believe that humans are 10,000 years old. [sent-22, score-0.88]
12 You can’t, for example, state that humans didn’t evolve but were created 50,000 years ago. [sent-23, score-0.783]
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same-blog 1 1.0000001 477 andrew gelman stats-2010-12-20-Costless false beliefs
Introduction: From the Gallup Poll : Four in 10 Americans, slightly fewer today than in years past, believe God created humans in their present form about 10,000 years ago. They’ve been asking the question since 1982 and it’s been pretty steady at 45%, so in some sense this is good news! (I’m saying this under the completely unsupported belief that it’s better for people to believe truths than falsehoods.) One way to think of this is that, for the overwhelming majority of people, a personal belief in young-earth creationism (or whatever you want to call it) is costless. Or, to put it another way, the discomfort involved in holding a belief that contradicts everything you were taught in school is greater than the discomfort involved in holding a belief that seems to contradict your religious values (keeping in mind that, even among those who report attending church seldom or never, a quarter of these people agree that “God created humans in their present form about 10,000 years ago”).
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Introduction: The other day on the sister blog we discussed a recent Pew Research survey that seemed to show that Republicans are becoming more partisan about evolution (or, as Paul Krugman put it, “So what happened after 2009 that might be driving Republican views? . . . Republicans are being driven to identify in all ways with their tribe — and the tribal belief system is dominated by anti-science fundamentalists”). We presented some discussion and evidence from Dan Kahan suggesting that the evidence for such a change was not so clear at all. Kahan drew his conclusions from a more detailed analysis of the much-discussed Pew data, along with a comparison to a recent Gallup poll. Also following up on this is sociologist David Wealiem, who pulls some more data into the discussion: Although the Pew report mentions only the 2009 survey, the question has been asked a number of times since 2005. Here are the results—the numbers represent the percent saying “evolved” minus the percent sayin
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Introduction: I remember attending a talk a few years ago by my political science colleague John Huber in which he discussed cross-national comparisons of religious attitudes. One thing I remember is that the U.S. is highly religious, another thing I remembered is that lots more Americans believe in heaven than believe in hell. Some of this went into Red State Blue State—not the heaven/hell thing, but the graph of religiosity vs. GDP: and the corresponding graph of religious attendance vs. GDP for U.S. states: Also we learned that, at the individual level, the correlation of religious attendance with income is zero (according to survey reports, rich Americans are neither more nor less likely than poor Americans to go to church regularly): while the correlation of prayer with income is strongly negative (poor Americans are much more likely than rich Americans to regularly pray): Anyway, with all this, I was primed to be interested in a recent study by psychologist
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Introduction: An interview with me from 2012 : You’re a statistician and wrote a book, Red State, Blue State, Rich State, Poor State , looking at why Americans vote the way they do. In an election year I think it would be a good time to revisit that question, not just for people in the US, but anyone around the world who wants to understand the realities – rather than the stereotypes – of how Americans vote. I regret the title I gave my book. I was too greedy. I wanted it to be an airport bestseller because I figured there were millions of people who are interested in politics and some subset of them are always looking at the statistics. It’s got a very grabby title and as a result people underestimated the content. They thought it was a popularisation of my work, or, at best, an expansion of an article we’d written. But it had tons of original material. If I’d given it a more serious, political science-y title, then all sorts of people would have wanted to read it, because they would
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Introduction: In a discussion of his variant of the write-a-thousand-words-a-day strategy (as he puts it, “a system for the production of academic results in writing”), Thomas Basbøll writes : Believe the claims you are making. That is, confine yourself to making claims you believe. I always emphasize this when I [Basbøll] define knowledge as “justified, true belief”. . . . I think if there is one sure way to undermine your sense of your own genius it is to begin to say things you know to be publishable without being sure they are true. Or even things you know to be “true” but don’t understand well enough to believe. He points out that this is not so easy: In times when there are strong orthodoxies it can sometimes be difficult to know what to believe. Or, rather, it is all too easy to know what to believe (what the “right belief” is). It is therefore difficult to stick to statements of one’s own belief. I sometimes worry that our universities, which are systems of formal education and for
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Introduction: From the Gallup Poll : Four in 10 Americans, slightly fewer today than in years past, believe God created humans in their present form about 10,000 years ago. They’ve been asking the question since 1982 and it’s been pretty steady at 45%, so in some sense this is good news! (I’m saying this under the completely unsupported belief that it’s better for people to believe truths than falsehoods.) One way to think of this is that, for the overwhelming majority of people, a personal belief in young-earth creationism (or whatever you want to call it) is costless. Or, to put it another way, the discomfort involved in holding a belief that contradicts everything you were taught in school is greater than the discomfort involved in holding a belief that seems to contradict your religious values (keeping in mind that, even among those who report attending church seldom or never, a quarter of these people agree that “God created humans in their present form about 10,000 years ago”).
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Introduction: I was checking the Dilbert blog (sorry! I was just curious what was up after the events of a few weeks ago) and saw this: I [Scott Adams] wonder if any old-time racists still exist. I knew a few racists when I was a kid, back in upstate New York. In my adult life, I don’t think I’ve met one. . . . I certainly understand if you’ve witnessed it, or suffered from it. I’m just saying I haven’t seen it where I live. Clearly that sort of activity is distributed unevenly around the country. Just to be clear: I’m only saying I haven’t personally witnessed overt racism in my adult life. I accept that you have seen it firsthand, if you say so. Classic racism of the old-timey variety is probably only possible in people who don’t own television sets and haven’t gone through grade school. I’ll grant you that racist prison gangs and neo-Nazis exist. But obviously something else is going on with those guys. Let’s call them the exceptions. . . . I assume discrimination must be going on somep
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Introduction: Hear me interviewed on the topic here . P.S. The interview was fine but I don’t agree with everything on the linked website. For example, this bit: Global warming is not the first case of a widespread fear based on incomplete knowledge turned out to be false or at least greatly exaggerated. Global warming has many of the characteristics of a popular delusion, an irrational fear or cause that is embraced by millions of people because, well, it is believed by millions of people! All right, then.
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Introduction: In the annals of hack literature, it is sometimes said that if you aim to write best-selling crap, all you’ll end up with is crap. To truly produce best-selling crap, you have to have a conviction, perhaps misplaced, that your writing has integrity. Whether or not this is a good generalization about writing, I have seen an analogous phenomenon in statistics: If you try to do nothing but model the data, you can be in for a wild and unpleasant ride: real data always seem to have one more twist beyond our ability to model (von Neumann’s elephant’s trunk notwithstanding). But if you model the underlying process, sometimes your model can fit surprisingly well as well as inviting openings for future research progress.
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Introduction: Tyler Cowen pointed to an article by business-school professor Luigi Zingales about meritocracy. I’d expect a b-school prof to support the idea of meritocracy, and Zingales does not disappoint. But he says a bunch of other things that to me represent a confused conflation of ideas. Here’s Zingales: America became known as a land of opportunity—a place whose capitalist system benefited the hardworking and the virtuous [emphasis added]. In a word, it was a meritocracy. That’s interesting—and revealing. Here’s what I get when I look up “meritocracy” in the dictionary : 1 : a system in which the talented are chosen and moved ahead on the basis of their achievement 2 : leadership selected on the basis of intellectual criteria Nothing here about “hardworking” or “virtuous.” In a meritocracy, you can be as hardworking as John Kruk or as virtuous as Kobe Bryant and you’ll still get ahead—if you have the talent and achievement. Throwing in “hardworking” and “virtuous”
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Introduction: Roy Mendelssohn pointed me to this heartwarming story of Jay Vadiveloo, an actuary who got a patent for the idea of statistical sampling. Vadiveloo writes, “the results were astounding: statistical sampling worked.” You may laugh, but wait till Albedo Man buys the patent and makes everybody do his bidding. They’re gonna dig up Laplace and make him pay retroactive royalties. And somehow Clippy will get involved in all this. P.S. Mendelssohn writes: “Yes, I felt it was a heartwarming story also. Perhaps we can get a patent for regression.” I say, forget a patent for regression. I want a patent for the sample mean. That’s where the real money is. You can’t charge a lot for each use, but consider the volume!
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Introduction: From the Gallup Poll : Four in 10 Americans, slightly fewer today than in years past, believe God created humans in their present form about 10,000 years ago. They’ve been asking the question since 1982 and it’s been pretty steady at 45%, so in some sense this is good news! (I’m saying this under the completely unsupported belief that it’s better for people to believe truths than falsehoods.) One way to think of this is that, for the overwhelming majority of people, a personal belief in young-earth creationism (or whatever you want to call it) is costless. Or, to put it another way, the discomfort involved in holding a belief that contradicts everything you were taught in school is greater than the discomfort involved in holding a belief that seems to contradict your religious values (keeping in mind that, even among those who report attending church seldom or never, a quarter of these people agree that “God created humans in their present form about 10,000 years ago”).
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