In a survey of college students, the intercollegiate studies association found that the best predictor of a student's later participation in the nation's civic and political life is

I think the behavior of the person in those period of time would likely be able to determine his or her involvement in the societal activities in the future. The actively he participates in the collegiate events, the active he would be in the civic events. Those who run for office in collegiate level, will likely do the same for the higher political offices. 

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