What is an advantage of fMRI in comparison to PET scans?
a. An fMRI can be used without asking for informed consent
b. An fMRI requires no electrical or chemical equipment.
c. An fMRI provides detailed information about axons, dendrites, and cell bodies.
d. An fMRI does not expose the brain to radioactivity.
d
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A now-discounted theory, the ___ hypothesis, suggested that homosexuality is learned, and arises due to early exposure to homosexuality. The major problem with this hypothesis is that homosexual individuals ____
a. Social Influence; are simply continuing earlier homosexual feeling and behaviors b. Genetic Fixation; have too many genes that differ from heterosexual individuals c. Soma; work with what their bodies want to do when they have erotic feelings d. Sexual Youth; seem to be exposed to sex later in life than thirty years ago when the research was done
If the lines in a graph of a factorial design are parallel, then there:
a. is definitely an interaction. b. may be an interaction. c. is no interaction. d. is insufficient information to decide simply based on a graph.