The level of party voting varies over time because individuals' voting decisions are affected by the give and take of two sets of forces:

Question

Quizplus · Accepted Answer

Party ID (the psychological attachment an individual has to a political party) is a long-term force that affects party voting. However, short-term forces such as current issues and candidate image can sway individuals' voting decisions. Therefore, party voting can vary over time depending on the strength of their party ID and these short-term forces. The other choices are not comprehensive enough to explain the variability of party voting over time.

The Level of Party Voting Varies Over Time Because Individuals