What aspect does partisan identification most influence?

Partisan identification primarily influences a person's tendency to vote for specific parties. This alignment is a strong predictor of voting behavior, as individuals often feel a sense of loyalty or affinity towards their party, which impacts their choices at the ballot box. When individuals identify with a party, they are likely to support that party's candidates in elections, which reflects a broader trend in electoral behavior.

Other factors mentioned, such as economic strategy or the effectiveness of campaign advertisements, may have some connection to partisan views but are influenced more by specific circumstances and individual opinions. Likewise, while candidates may develop public policies that align with their party's platform, those policies can also be affected by public opinion and various other political pressures, making partisan identification a more direct influence on voting tendencies.