Science Needs Better Statistical Analysis
Statistical analysis must find ways to expose and counterbalance all the many factors that can lead to falsely positive results — among them human nature and the effects of industry money.
A respected psychology journal's decision to accept a research report that claims to show the existence of extrasensory perception has inflamed one of the longest-running debates in science. Some statisticians have argued that the standard technique used to analyze data in much of social science and medicine overstates many study findings — often by a lot. The literature is littered with positive findings that do not pan out: "effective" therapies that are no better than a placebo; slight biases that do not affect behavior; brain-imaging correlations that are meaningless. ...Statistical analysis must find ways to expose and counterbalance all the many factors that can lead to falsely positive results — among them human nature...and industry money.
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Cosmologists propose a groundbreaking model of the universe using string theory.
- A new paper uses string theory to propose a new model of the universe.
- The researchers think our universe may be riding a bubble expanded by dark energy.
- All matter in the universe may exist in strings that reach into another dimension.
Evolution doesn't clean up after itself very well.
- An evolutionary biologist got people swapping ideas about our lingering vestigia.
- Basically, this is the stuff that served some evolutionary purpose at some point, but now is kind of, well, extra.
- Here are the six traits that inaugurated the fun.
Even some teachers suffer from anxiety about math.
I teach people how to teach math, and I've been working in this field for 30 years. Across those decades, I've met many people who suffer from varying degrees of math trauma – a form of debilitating mental shutdown when it comes to doing mathematics.
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