Ojeda's research focuses American politics, public opinion, and political behavior. Overarching themes in Ojeda's writings include how income and health disparities affect political participation, how children develop attitudes about politics, and the political underpinnings of welfare policy.
Shows that the relationship between wealth and political participation extends to childhood. Finds that children from poor homes are less likely to participate in politics than children from rich homes.
Analyzes how party identification is transferred from parent to child. Argues that children are more active agents in the process than previous studies have indicated.
Analyzes relationship between depression and political participation. Finds that individuals who experience depression are less likely to participate in politics, especially in young adulthood.