The Short Version
Decades of peer-reviewed media-effects research confirm that gatekeeping, agenda-setting, and framing shape what the public considers important and how issues are interpreted. The claim's use of "influence" accurately reflects the scholarly consensus. One study found framing effects were indirect rather than direct, but this still demonstrates an influence pathway consistent with the claim. Minor caveats apply: these effects are probabilistic and moderated by audience characteristics and modern media fragmentation, but these nuances do not undermine the claim's core accuracy.