Suppose you are experimenting with the effects of sleep deprivation on memory. In this case, sleep deprivation is a(n):
A) ?extraneous variable.
B) ?dependent variable.
C) ?independent variable.
D) ?mediating variable.
C
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Sound vibrations make waves in the fluid inside the cochlea. These waves in the fluid are detected in the cochlea by
a. ossicles. b. hair cells. c. pinnas. d. umami cells.
A national survey of adolescents revealed that of those using social networking sites, ________ percent had been contacted by someone they didn't know
a. 10 c. 40 b. 20 d. 80
Pete has played lead guitar in a rock band for years
He often would turn the volume on his guitar way up and spend a great deal of time in front of the speakers during the shows. His resulting hearing loss over the past few years is most likely the result of A) conductive deafness. B) nerve deafness. C) noise-induced hearing loss. D) tinnitus.
Hallucinogenic drugs, such as LSD, produce their effects via an action on the neurotransmitter
a. dopamine. b. GABA. c. endorphin. d. acetylcholine. e. serotonin.