When does individuals’ willingness to speak out increase on social media? Perceived social support and perceived power/control
作者：
Highlights：
• Perceived opinion congruency (POC) increased perceived social support (PSS).
• PSS is a mediator between POC and Perceived Power/Control (PPC).
• One’s willingness to speak out increases when PSS enhances PPC through POC.
摘要
•Perceived opinion congruency (POC) increased perceived social support (PSS).•PSS is a mediator between POC and Perceived Power/Control (PPC).•One’s willingness to speak out increases when PSS enhances PPC through POC.
论文关键词：Social media,Willingness to speak out,Spiral of silence,Perceived social support,Perceived sense of power/control,Spiral of empowerment
论文评审过程：Received 20 November 2016, Revised 4 April 2017, Accepted 4 April 2017, Available online 5 April 2017, Version of Record 21 April 2017.
论文官网地址：https://doi.org/10.1016/j.chb.2017.04.010
