“Monitoring the Future” discussed the design, methods, and field procedures for assessing adolescent substance abuse in the U.S. Given the information on sampling that was provided, is an appropriate sample size used? Why or why not? 2. Why is a random sample used in this research? 3. What alternate methods could be used to recruit subjects? 4. Is this the most appropriate way to assess adolescent substance use? Justify your answer. 5. How might you be able to triangulate the results from the “Monitoring the Future” study?
