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Articles on Publication bias

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After great popularity, the idea of power poses came under fire. Choreograph/iStock via Getty Images Plus

The idea that power poses boost your confidence fell from favor – but a new review of the research calls for a second look

For a while it was all the rage to adopt Wonder Woman’s famous stance and other body positions that allegedly pumped up your confidence – until more studies of the phenomenon failed to find the connection.
The Texas frosted elfin (Callophrys irus hadros), a small butterfly subspecies found only in Arkansas, Texas, Oklahoma and Louisiana, has lost most of its prairie habitat and is thought to have dramatically declined over the last century. Matthew D. Moran

Insect apocalypse? Not so fast, at least in North America

Recent reports of dramatic declines in insect populations have sparked concern about an ‘insect apocalypse.’ But a new analysis of data from sites across North America suggests the case isn’t proven.
A new statistical test lets scientists figure out if two groups are similar to one another. paleontologist natural/shutterstock.com

The equivalence test: A new way for scientists to tackle so-called negative results

A new statistical test lets researchers search for similarities between groups. Could this help keep new important findings out of the file drawer?
Proper nutrition is critical to combatting the costly and deadly epidemics of obesity, diabetes and cardiovascular disease. from www.shutterstock.com

Essays on health: how food companies can sneak bias into scientific research

Food, drug and other companies often sponsor research in the hope it might produce results favourable to their products. How can we ensure such research remains independent?

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