Surveys show Americans believe foreign aid is 25% of the federal budget. It’s less than 1%. The public is misinformed about what the US spends money on, which creates an abstract desire to “cut spending” that’s extremely difficult to translate into policy. https://www.brookings.edu/policy2020/votervital/what-every-american-should-know-about-us-foreign-aid/
There were two big ones, I bookmarked only this one;
In 2013, researchers from Northwestern University and Stanford found that state legislators throughout the U.S. wildly overestimated the conservatism of their constituents. Republicans were more liable to have a deluded sense of how many of their voters’ wanted to abolish the welfare state, but even Democrats had a tendency to look at their blue districts and see purple or red: On average, legislators from both parties underestimated the level of support for universal health care in their districts by more than 15 percentage points.
There were two big ones, I bookmarked only this one;
https://scholars.org/contribution/politicians-think-american-voters-are-more-conservative-they-really-are