Statistical data are relevant to researchers.For example, one major epidemiological study found that about 7.8 percent of people in North America have had a mood disorder at some point in their lives and 3.7 percent have experienced a mood disorder over the past year.What do the 7.8 percent and 3.7 percent statistics refer to, respectively?

Question

Quizplus · Accepted Answer

The first statistic of 7.8 percent refers to the prevalence of mood disorders at some point in a person's life, while the second statistic of 3.7 percent refers to the prevalence of mood disorders within the past year. Therefore, the correct choice is D, prevalence; incidence.

Statistical Data Are Relevant to Researchers