When asked to recall single-digit numbers presented in various digit span sizes, the typical adult starts to find the task a bit tricky once they get to approximately _____ digits

_________ is a research approach that focuses on the prevalence and incidence of mental disorders and the factors that influence those patterns.

a) Pathology b) Physiology c) Histology d) Epidemiology

Which individual exhibits savant syndrome?

a) John, an eighth grader, who reads college level material b) Jim, a high school graduate, can take a car apart and rebuild it c) Sheila, who has a graduate degree and can write complicated computer programs d) Dan, diagnosed with mental retardation but capable of drawing beautiful works of art