Social control in science operates through the process in which the colleague group validates individual scientists' contributions to knowledge to the laymen who provide support and rewards for ...

The value of a second control group depends on the supplementary information that is available about unobserved biases that are suspected to exist. A second control group provides a test of the ...

Multiplatform trials in which experimental groups are allowed to enter and exit the trial at different times often include a single control group in which recruitment is not concurrent with that in ...