That's the illusory truth effect (https://en.wikipedia.org/wiki/Illusory_truth_effect https://en.wikipedia.org/wiki/Illusory_truth_effect), which is one of the

That's the illusory truth effect (https://en.wikipedia.org/wiki/Illusory_truth_effect https://en.wikipedia.org/wiki/Illusory_truth_effect), which is one of the understood cognitive biases.