The affordance effect: Gatekeeping and (non)reciprocal journalism on Twitter
作者：
Highlights：
• Millions of “Ferguson” tweets were analyzed after the acquittal of Darren Wilson.
• Legacy media journalists and organizations were among the least active and engaged.
• Non-journalistic users became influential gatekeepers by leveraging @user mentions.
• Journalism professionals should adapt more fully to the emergent media environment.
• Possible benefits of reciprocal journalism and dialogic engagement were unrealized.
摘要
•Millions of “Ferguson” tweets were analyzed after the acquittal of Darren Wilson.•Legacy media journalists and organizations were among the least active and engaged.•Non-journalistic users became influential gatekeepers by leveraging @user mentions.•Journalism professionals should adapt more fully to the emergent media environment.•Possible benefits of reciprocal journalism and dialogic engagement were unrealized.
论文关键词：Dialogic communication,Gatekeeping,Social media,Network analysis,Reciprocal journalism
论文评审过程：Received 12 May 2016, Revised 9 September 2016, Accepted 12 September 2016, Available online 30 September 2016, Version of Record 30 September 2016.
论文官网地址：https://doi.org/10.1016/j.chb.2016.09.020
