y Thorson argues that a problematic and understudied aspect of political misinformation reflects widespread public misperception about what the government does. Because much of public policy is invisible to the public, there is fertile ground for false beliefs to flourish, leading to the creation of what Thorson terms the "invented state" systematic misperceptions about public policy. However, people get the facts wrong not because they are lazy, stupid, or blinded by partisan loyalty. Rather, misperceptions are created when three conditions are met: when citizens have incomplete information about an issue, when their own biases color their understanding of it, and when they feel that the issue is important. In other words, the invented state is created not just by exposure to explicit misinformation, but also by individuals' cognitive errors.

Correcting these policy misperceptions is highly effective at reducing false beliefs. In addition, providing people with corrective information has downstream effects on attitudes. When they learn how policies - including Social Security, refugee policy, and the Temporary Assistance for Needy Families program - really work, their approval of these policies increases, and they also shift their policy priorities. Contrary to pundits' assumptions of a public who is largely indifferent to policy, there is a deep public desire to learn basic facts about how the government works. Thorson meets that desire with analysis on how the news media can identify and effectively correct substantive policy misperceptions. The Invented State not only sheds a new light on how Americans think about policy, but can also help to inform evidence-based interventions to improve democratic competence.