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Articles on Publication bias

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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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