I defined ideology and partisanship and explained the impact of demographic and historical factors on both. We then discussed the various types of polls and their functions and explored the extent to which polls can affect public policy. In that regard, we noted various factors that can cause a poll to be unreliable. As the AP exam often tests this area with data and graph analysis questions ,Matthew then completed two AP practice exercises that evaluated the student's ability to analyze data that compared the ideologies of the two major parties. Matthew did very well and we discussed test taking strategies for the AP data analysis questions.