Reverse-engineering censorship in China: Randomized experimentation and particip

Reverse-engineering censorship in China: Randomized experimentation and participant observation                                                                                                                        

                                                                                                                                                                                                                                                                                 Science 22 August 2014:  
Vol. 345 no. 6199 1251722DOI:10.1126/science.1251722

Existing research on the extensive Chinese censorship organization uses observational methods with well-known limitations. We conducted the first large-scale experimental study of censorship by creating accounts on numerous social media sites, randomly submitting different texts, and observing from a worldwide network of computers which texts were censored and which were not. We also supplemented interviews with confidential sources by creating our own social media site, contracting with Chinese firms to install the same censoring technologies as existing sites, and—with their software, documentation, and even customer support—reverse-engineering how it all works. Our results offer rigorous support for the recent hypothesis that criticisms of the state, its leaders, and their policies are published, whereas posts about real-world events with collective action potential are censored.
                                         

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