A Prospective Study

A prospective study:

A) examines the probability of certain life events occurring, such as the rate of common childhood accidents and illnesses.
B) involves systematically observing a group of people over time to determine what factors are associated with the development of a particular trait, characteristic, or behavior.
C) uses statistical analyses of historical and existing population data to project future population trends.
D) involves detailed interviews of a person's acquaintances, close friends, and first-order relatives to determine what psychological and social factors seemed to play the most significant roles in shaping the course of the person's life.