Weekly IRA Twitter retweet surges measurably moved Trump’s polling numbers
Evidence
Yet, in contrast, another study found that changes in public support for Donald Trump were in fact strongly predicted by increased IRA Twitter activity in the preceding week. For example, an increase in 25,000 retweets of IRA accounts per week resulted in a 1 per cent increase in Trump’s polling numbers. — Sander van der Linden, Foolproof, 757