Suppose you are asked to conduct a questionnaire study of the prevalence of marijuana use in a community where use of marijuana is legal. Write three interview questions on marijuana use to assess the following measures of prevalence:

point prevalence

period prevalence (one-year time period)

lifetime prevalence

Next: To understand the context, or situation of point, period or lifetime prevalence, what qualitative questions do you think it would be important to ask? (at least two)