You are involved in a study observing the eating and health behaviors of African Americans across the United States. You are conducting a(n):
a. Hawthorn study.
b. intervention study.
c. epidemiologic study.
d. cell culture study.
Q. 2When a hypothesis suggests a causal relationship, what type of study will the scientist most likely conduct?
a. Exacting
b. Interpretive
c. Intervention
d. Epidemiologic
Q. 3What is the large, ongoing epidemiologic study to simultaneously monitor nutrition and health in the U.S. population called?
a. Nutrition, Health, and Nurturing Exploratory Study
b. Nationwide Historic and Nutritional Examination Study
c. Nationwide Home and Nutritional Exploratory Survey
d. National Health and Nutrition Examination Survey
Q. 4NHANES simultaneously monitors nutrition and _____ in the U.S.
a. health of the population
b. weight gain among adults over 21
c. the incidence of diabetes in children over the age of 2
d. the incidence of vitamin and mineral deficiencies in low-income groups
Q. 5The nutrition researchers at Excellent State U conducted an epidemiologic study of the students' consumption of snacks from campus vending machines. They found that most first-year students purchased snacks from the vending machines and that the average weight gain for first-year students was 15-25 pounds during the year. Which of the following is an appropriate conclusion?
a. Eating snacks from vending machines causes students to gain weight.
b. For first-year students, there may be an association between purchasing snacks from vending machines and gaining weight.
c. For first-year students, eating snacks from vending machines causes a weight gain of 15-25 pounds.
d. For college students, there may be an association between purchasing snacks from vending machines and gaining 15-25 pounds during their first year.
Q. 6One of the limitations of epidemiologic studies is that the results cannot be interpreted as proving a(n) _____.
a. association
b. positive correlation
c. negative correlation
d. relationship to be causal
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