Human- chapter 2
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Generally, epidemiological studies ________.
cannot determine cause and effect relationships
Which of the following kinds of studies would be the best to use when investigating whether cigarette smoking influences weight gain?
cohort
Over a 2-year period, a team of scientists records the eating behaviors and physical activity patterns of a group of healthy 8-year-old children to determine whether these factors are associated with weight gain. This study is an example of a(n) ________ study.
prospective