Final answer:
The most common influences on a person's political position include family and peers, demographic factors, and political affiliations, as well as income, education, and belief intensity.
Step-by-step explanation:
The most common factor of influence on a person's political position is often their family and peers. However, many other influences also play significant roles in shaping an individual's political opinions, attitudes, values, and behaviors. Demographic characteristics such as age, race, ethnicity, and gender can have a profound impact on political beliefs. People also frequently rely on heuristics, such as political party affiliation, to make voting decisions. Additionally, factors like income, education, and the intensity of one's beliefs in certain issues contribute to political engagement and socialization. It's important to note that the mentioned influences interact with the social environment, workplace, and associational groups to shape a person's political identity.