The Russian "Firehose of Falsehood" Propaganda Model: Why It Might Work and Options to Counter It | RAND
In some ways, the current Russian approach to propaganda builds on Soviet Cold War–era techniques, with an emphasis on obfuscation and on getting targets to act in the interests of the propagandist without realizing that they have done so.1
Sometimes, Russian propaganda is picked up and rebroadcast by legitimate news outlets; more frequently, social media repeats the themes, messages, or falsehoods introduced by one of Russia’s many dissemination channels.
The experimental psychology literature tells us that first impressions are very resilient: An individual is more likely to accept the first information received on a topic and then favor this information when faced with conflicting messages
Put simply, our first suggestion is don't expect to counter the firehose of falsehood with the squirt gun of truth.
Three factors have been shown to increase the (limited) effectiveness of retractions and refutations: (1) warnings at the time of initial exposure to misinformation, (2) repetition of the retraction or refutation, and (3) corrections that provide an alternative story to help fill the resulting gap in understanding when false “facts” are removed