Case 1 a Public Health Nurse (PHN)is Explaining to a Fourth-Year

Case 1 A public health nurse (PHN) is explaining to a fourth-year nursing student how to use health statistics to understand population health.
(Refer to Case 1 above. ) The nursing student wants to administer a survey about smoking behaviours to students in various grade levels within the school district to identify the best grade to initiate health education.A follow-up survey will be administered to assess the effectiveness of the educational program.What type of research design would be best at providing the epidemiological information needed in this scenario?

A) Cross-sectional study
B) Cohort design
C) Randomized control trial
D) Case-control methodology