Answer to Question 1
Primary, Secondary, or Tertiary; or Universal, Selective, Indicated. In each case, the first reaches a broad audience, the others are more targeted.
Answer to Question 2
Drug education aims at providing balanced and complete information about drugs and is evaluated by whether the students know this information. Drug prevention programs aim at preventing drug use or abuse, and may be one-sided. Evaluations are based on follow-up surveys of whether students have started using or increased their use of cigarettes, alcohol, marijuana, etc.