According to DSM-5, brief psychotic disorder refers to psychotic symptoms lasting how long?
a. less than twenty-four hours
b. one day to one month
c. one month to six months
d. six months to twelve months
Answer: b.
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What happens to cognitive-affective complexity in older adulthood and why?
What will be an ideal response?
Your genetics professor has asked you to simplify the process of natural selection into a sequence of steps. Which of the following will your professor agree is the correct sequence?
a. competition for resources, reproductive success, frequency of genotype increases, selection of fittest genotype, environmental pressure b. reproductive success, competition for resources, frequency of genotype increases, environmental pressure, selection of fittest genotype c. selection of fittest genotype, competition for resources, environmental pressure, reproductive success, frequency of that genotype increases d. environmental pressure, competition for resources, selection of fittest genotype, reproductive success, frequency of genotype increases
Evidence that stomach contractions are not responsible for hunger comes from studies showing that
a. injections of sugar into the bloodstream will stop both stomach contractions and hunger. b. people with their stomachs removed still experience hunger. c. rats without stomachs will not learn mazes when rewarded with food. d. gastric distension caused by an inflated balloon will cause a person to end a meal.
In solving a binomial problem, if the evaluation required only finding the probability of all P events, and N = 40, evaluating P40 would be more accurate than using the normal approximation. Assume no rounding
a. T b. F c. It depends on the value of P d. if P = Q = .50, the normal approximation would be more accurate.