Give an example of a hypothetical ecologic study. Name and describe one advantage and one disadvantage of ecologic studies. [p. 110]
• Describe, briefly, the challenges to the validity of study designs; relate these challenges to case-control studies, cohort studies, and randomized controlled trials. [p. 117]
• Do you have a smokefree bars law in your community? What considerations led to the development of such laws in communities that have adopted them? What are three policy implications of smokefree bars laws? [pp. 130, 131]
• Explain what is meant by the risk management component of risk assessment. From your own experience, discuss how risk management applies to the regulation of pesticides for home use. [p. 130]
• Describe the components that make up the epidemiologic triangle. Indicate how these components could be implicated in an outbreak of foodborne illness (e.g., an illness outbreak caused by Salmonella-contaminated tomatoes). [p. 138]
• Give one argument for and one argument against the proposition that vaccine-preventable diseases represent a diminished hazard to society. [pp. 151, 152]
• Explain the trends of obesity in the United States over time. Compare the trends among children and teenagers versus adults. [pp. 171, 172]
• What is the triad of disorders reported for children with severe emotional or behavioral difficulties? Discuss the implications of these disorders for the social functioning of children. [p. 174]
• Describe two person characteristics that are associated with Down syndrome. In your own opinion and in light of these epidemiologic associations, what preventive measures could be taken? [p. 183]
• What is one of the major consequences