Supplemental Material - Ask and You Shall Receive: The Effects of Negativity and Fundraising Appeals on Facebook

Supplemental Material for Ask and You Shall Receive: The Effects of Negativity and Fundraising Appeals on Facebook by Amanda Wintersieck and Alex Keena in Political Research Quarterly.《求索必得：负面宣传与募捐诉求在脸书（Facebook）上的影响》补充材料，由阿曼达·温特西克（Amanda Wintersieck）与亚历克斯·基纳（Alex Keena）撰写，发表于《政治研究季刊》（Political Research Quarterly）。