The ________ is the most caudal portion of the brain and is a gradual swelling of tissue that lies above the cervical spine.
A. medulla
B. cerebellum
C. pons
D. reticular formation
Answer: A
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External validity refers to the degree to which
A. participants were assigned to the various conditions on the basis of representative criteria. B. the experimental situation engages participants and leads them to behave naturally and spontaneously. C. there can be reasonable certainty that the independent variables in an experiment caused the observed effects on the dependent variables. D. there can be reasonable confidence that the same results would be obtained for other people and in other situations
How does L-dopa control the symptoms of Parkinson's disease?
A. it increases the levels of dopamine in the brain B. it cures the symptoms C. it relaxes the muscles D. it reduces the number of "on-periods"
What problem-solving strategies don't guarantee solutions but make efficient use of time because they are based on experience and previous knowledge?
a) heuristics b) algorithms c) mnemonic devices d) cognitive shortcuts
According to the chapter Adolescents will be Adolescents about the adolescent children of homosexual
and heterosexual parents, which of the following statements is most consistent with the research findings of the study? (a) a parent of each sex is not necessary in the home in order for normal development to take place (b) the sexual orientation of a parent should influence child custody decisions or visitation rights (c) same sex marriages should be banned to help protect children from the negative effects that being raised by same-sex parents will have on their development (d) homosexual parents are more likely to have homosexual children