Facebook tips news balance ‘less than users do’
BBC News - 05/07/2015
In a commentary also published in Science, Dr David Lazer from Northeastern University in Boston said this was an awkward comparison: “It is not possible to determine definitively whether Facebook encourages or hinders political discussion across partisan divides relative to a pre-Facebook world, because we do not have nearly the same quality or quantity of data for the pre-Facebook world.”
He also said this research topic was a crucial one, and “continued vigilance” would be required.
“Facebook deserves great credit… for conducting this research in a public way. But there is a broader need for scientists to study these systems in a manner that is independent of the Facebooks of the world.”