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

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?
A)incidence; prevalence
B)incidence; recurrence
C)proportion; prevalence
D)prevalence; incidence


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