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It is important for research users to know how likely it is that reported research findings are true. The Social Science Replication Project finds that, in highly powered experiments, only 13 of 21 high-profile reports could be replicated. Investigating the factors that contribute to reliable results offers new opportunities for the social sciences.
The N400 evoked potential is a window to meaning in the brain, but it remains incompletely understood. The authors provide a unified explanation of the N400 in a neural network model that avoids the commitments of traditional approaches to meaning in language.
Camerer et al. carried out replications of 21 Science and Nature social science experiments, successfully replicating 13 out of 21 (62%). Effect sizes of replications were about half of the size of the originals.
Although global spending in response to humanitarian crises is growing, humanitarian assistance is under threat from political, economic and security sources. To protect the principles of humanitarian assistance, we must ensure that it remains neutral, impartial and independent, argues Johan von Schreeb.
Akbarzadeh and Estrada mathematically characterize the properties of traffic flow and find that, in four different cities, there is more traffic not through the shortest paths, but through the communicability shortest paths, which assume an ‘all-routes’ flow.