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A growing number of studies test the effects of news framing on citizens' understanding of politics. By employing experimental designs, these studies report significant effects for a multitude of issues and frames. However, what happens to the framing effect after initial exposure? Based on a “classic” framing experiment ( n = 625 ), this article traces framing effects across a number of delayed time points: after 1 day, 1 week, and 2 weeks. Our results show that framing effects are surprisingly persistent. The duration of framing effects depended on a person's level of political knowledge, with moderately knowledgeable individuals displaying most persistent framing effects. Effects on individuals with high or low levels of political knowledge dissipated much quicker.
Lecheler et al. (Sat,) studied this question.