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The Research Replication Controversy, cont.

Scientific Regress: The problem with ­science is that so much of it simply isn’t. The Open Science Collaboration announced that it had tried to replicate one hundred published psychology experiments sampled from three of the most prestigious journals in the field. Of the studies that had originally reported positive results, an astonishing 65 percent failed to show statistical significance on replication, and many of the remainder showed greatly reduced effect sizes.

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