What are the two distinguishing characteristics of political socialization? schools are the most influential agent of political socialization, and political socialization is strongest during childhood. family is the strongest agent of political socialization, and political socialization is strongest during high school and college. political socialization is cumulative, and is most heavily developed during childhood. political socialization is transitory, and is most heavily developed during young adulthood. political socialization occurs primarily among educated populations, and is most heavily developed during adulthood?