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Facebook Algorithm Changes May Have Amplified Local Republican Parties, Kevin Reuning, Anne Whitesell, A. Lee Hannah
Facebook Algorithm Changes May Have Amplified Local Republican Parties, Kevin Reuning, Anne Whitesell, A. Lee Hannah
Political Science Faculty Publications
In this research note we document changes to the rate of comments, shares, and reactions on local Republican Facebook pages. Near the end of 2018, local Republican parties started to see a much higher degree of interactions on their posts compared to local Democratic parties. We show how this increase in engagement was unique to Facebook and happened across a range of over a thousand local parties. In addition, we use a changepoint model to identify when the change happened and find it lines up with reported information about the change in Facebook’s algorithm in 2018. We conclude that it …