From Science News:
Journals’ bias for publishing only positive results also contributed to replication failures, add Alexander Etz, at the University of Amsterdam at the time of the study, and Joachim Vandekerckhove of the University of California, Irvine. The pair statistically analyzed 72 papers and replication attempts from Nosek’s project. … Nosek’s team needed many more studies with comparably large sample sizes to generalize about the state of replication in psychology, the researchers say.

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