Journalism wields significant power in shaping public opinion. Through agenda-setting, framing, and gatekeeping, media outlets influence what issues people think about and how they perceive them. This unit explores key concepts and theories explaining how journalism impacts collective views and attitudes. From early partisan newspapers to modern social media, the relationship between journalism and public opinion has evolved. Historical examples like yellow journalism and Watergate demonstrate media's ability to sway public sentiment, while ethical considerations and digital age challenges continue to shape this dynamic.