While the capacity to predetermine the demographic profile ... more. Sample A had the smallest ideological gap on this question, with 68% of Democrats taking the liberal position and 66% of ...

Secondary sources are sources that have already conducted research and have formed conclusions; for example, the US Census Bureau offers tons of demographic information you can access for free.

The Pew Research survey of 18 Latin American countries and the U.S. territory of Puerto Rico finds relatively few statistically significant differences between Catholics and Protestants when it comes ...