What are the differences between incidence and prevalence in epidemiology?
A. Incidence refers to the number of cases within a small sample; prevalence is the number of cases within a population.
B. Incidence refers to the number of new cases in a population within a certain time; whereas prevalence is the total number of active cases.
C. Incidence consists of the total number of cases in a research study; prevalence is the number of new cases in a study.
D. Incidence is the number of cases in 12 months or less; prevalence describes the number of cases in 12 months or more.
Answer: B. Incidence refers to the number of new cases in a population within a certain time; whereas prevalence is the total number of active cases.
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Answer the following statement true (T) or false (F)
The development of initial self-awareness depends on
a. the maturation of the nervous system. b. learning that takes place through accommodation. c. the development of conservation and reversibility. d. the assimilation of cultural socialization.
Which statement is TRUE of long-term memory?
a. ?Long-term memories are most often encoded in a semantic form. b. ?Long-term memories are stored randomly in the brainstem. c. ?All long-term memories are encoded only in semantic form. d. ?Although the capacity of long-term memory is large, it does fill up occasionally.
The region of the brain that plays a critical role in relaying sensory information to different brain regions is called the:
a. hippocampus. b. temporal lobe. c. thalamus. d. basal ganglia.