But the scientists have not reported the systematic studies of several laboratories testing the same samples using the same techniques.
A case testing the same issues on particulate matter is pending before the Appellate Division that has jurisdiction over Manhattan and the Bronx.
In May, Facebook announced end-to-end encryption on WhatsApp, and is testing the same feature on Messenger – making it the most secure messaging platform as well.
"If you're testing the same intervention on the same population using the same outcome measures, then meta-analysis is a very good technique," Dr. Barrett said.
Though they do markedly different things, Kendrick Lamar is testing the same waters Williams waded through back in the early 2000s.
"We want state of the art labs testing the same way for the same things," said Alan M. Foreman, the chairman of the Thoroughbred Horsemen's Association.
Studies testing the same hypothesis will tend to find results that match the underlying true effect, but there will be some variation in their results due to differences between studies (different participants, researchers, settings, and so on).
Gary Samuels, a spokesman for Quest Diagnostics, said his company and LabCorp were each testing the same 1,000 samples to see if they got the same results, a validation process he called "lengthy and meticulous".
Salvini-Plawen and Mayr were testing the same idea, using more closely related organisms.
Several U.S. outfits are testing the same waters, but less successfully than Ntera.
