What factors influence how a person votes in an election?

There are many factors which influence the way individuals vote in elections. These factors could include the individuals party affiliation, their political or ideological perspective, their income level, their geographic location, or the employment sector which they work in. In addition there are a number of other factors that could potentially influence an individuals decision such as their religious beliefs, if they saw the candidate speak, or if there are certain aspects of the candidates policy which they support.