[From Rolf Zwaan’s blog “Zeitgeist”.]

“A form of replication that has received not much attention yet is what I will call concurrent replication. The basic idea is this. A research group formulates a hypothesis that they want to test. At the same time, they desire to have some reassurance about the reliability of the finding they expect to obtain. They decide to team up with another research group. They provide this group with a protocol for the experiment, the program and stimuli to run the experiment, and the code for the statistical analysis of the data. The experiment is preregistered. Both groups then each run the experiment and analyze the data independently. The results of both studies are included in the article, along with a meta-analysis of the results.”

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