Superforecasting: The Art and Science of Prediction
Rate it:
Open Preview
7%
Flag icon
commitment to self-improvement to be the strongest predictor of performance.
9%
Flag icon
“All who drink of this treatment recover in a short time, except those whom it does not help, who all die,” he wrote. “It is obvious, therefore, that it fails only in incurable cases.”
9%
Flag icon
“the rectum is the focus of existence, contains the essence of life, and performs the functions ordinarily ascribed to the heart and brain.”
10%
Flag icon
The rate of the development of science is not the rate at which you make observations alone but, much more important, the rate at which you create new things to test.11
12%
Flag icon
the left field of vision (which reports to the right hemisphere) was shown a picture of a snowstorm and the person was asked to point to the picture that related to it. So he quite reasonably pointed at the shovel. The right field of vision (which reports to the left hemisphere) was shown an image of a chicken claw—and the person was then asked why his hand was pointed at a shovel. The left hemisphere had no idea why. But the person didn’t say “I don’t know.” Instead, he made up a story: “Oh, that’s simple,” one patient said. “The chicken claw goes with the chicken, and you need a shovel to ...more
13%
Flag icon
“It is wise to take admissions of uncertainty seriously,” Daniel Kahneman noted, “but declarations of high confidence mainly tell you that an individual has constructed a coherent story in his mind, not necessarily that the story is true.”17
13%
Flag icon
attribute substitution, but I call it bait and switch: when faced with a hard question, we often surreptitiously replace it with an easy one.
14%
Flag icon
Learning the cues is a matter of opportunity and effort.
18%
Flag icon
“I’d rather be a bookie than a goddamn poet,” was his legendary response.
19%
Flag icon
Forecasts must have clearly defined terms and timelines.
19%
Flag icon
If the meteorologist’s curve is far above the line, she is underconfident—so things she says are 20% likely actually happen 50% of the time (see this page). If her curve is far under the line, she is overconfident
19%
Flag icon
patient data collectors—and cautious data interpreters.
21%
Flag icon
statisticians sleeping with their feet in an oven and their head in a freezer because the average temperature is comfortable.
22%
Flag icon
inverse correlation between fame and accuracy:
29%
Flag icon
Someone might ask why the United States spends billions of dollars every year on geopolitical forecasting when it could give Doug a gift certificate and let him do it.
37%
Flag icon
“Do I agree with this? Are there holes in this? Should I be looking for something else to fill this in? Would I be convinced by this if I were somebody else?”
38%
Flag icon
Doug knows that when people read for pleasure they naturally gravitate to the like-minded. So he created a database containing hundreds of information sources—from the New York Times to obscure blogs—that are tagged by their ideological orientation, subject matter, and geographical origin, then wrote a program that selects what he should read next using criteria that emphasize diversity.
44%
Flag icon
“If you don’t get this elementary, but mildly unnatural, mathematics of elementary probability into your repertoire, then you go through a long life like a one-legged man in an ass-kicking contest.”
45%
Flag icon
So finding meaning in events is positively correlated with wellbeing but negatively correlated with foresight. That sets up a depressing possibility: Is misery the price of accuracy?
49%
Flag icon
extreme commitment leads to extreme reluctance to admit error,
52%
Flag icon
“There is no harm in being sometimes wrong, especially if one is promptly found out,”
53%
Flag icon
The knowledge required to ride a bicycle can’t be fully captured in words and conveyed to others. We need “tacit knowledge,” the sort we only get from bruising experience.
54%
Flag icon
Forer effect,
59%
Flag icon
cognitive loafing.
72%
Flag icon
plan for surprise. That means, as Danzig advises, planning for adaptability and resilience.
81%
Flag icon
Dare to be wrong
81%
Flag icon
Better to discover errors quickly than to hide them behind vague verbiage.