American National Election Studies

Although it was formally established by a National Science Foundation grant in 1977, the data are a continuation of studies going back to 1948.

Its principal investigators for the first four years of the partnership were Arthur Lupia and Jon Krosnick.

[2] The studies ask the same questions repeatedly over time and are frequently cited in works of political science.

It has allowed the detection of partisan bias in survey responses, showing that respondents' political affiliations contribute to their responses, extending even to questions with objective, known answers, such as whether or not Iraq had weapons of mass destruction.

In 2022, ANES received a $14 million grant to study the 2024 United States elections.