Multiple sclerosis
a. affects more women than men
b. affects more men than women, as it is a sex-linked condition.
c. affects equal numbers of men and women.
d. typically does not develop until after the age of 55 years.
a
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Advance directives can help patients receive the type of treatment they prefer. For example, fully ______ of patients who requested only comfort care in their advance care directive receive it.
A. 89% B. 92% C. 97% D. 100%
Research on obedience suggests that participation in the Holocaust was
a. encouraged by German traits of authoritarian personality. b. likely driven by situational factors that would influence anyone similarly. c. an extraordinary historical situation unlikely to be repeated. d. dissimilar in a variety of ways from the types of obedience observed in cults.
Assuming that other factors are held constant, which of the following would tend to increase the likelihood of rejecting the null hypothesis?
a. Decrease the sample size b. Increase the sample mean difference c. Increase the sample variance d. None of the other 3 options would increase the likelihood.
Researchers have had trouble replicating studies that found a particular gene linked to schizophrenia. According to one recent hypothesis, ____.
A. genes in fact have nothing to do with schizophrenia B. the same genes responsible for schizophrenia also produce Huntington's disease C. spontaneous mutations in any of hundreds of genes can cause schizophrenia D. most genetic researchers fail to examine the X and Y chromosomes