The average threshold for human hearing is the tick of a watch from ______ away under very quiet conditions
a) 20 feet
b) 60 feet
c) 40 feet
d) 80 feet
ANS: a
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Researchers tried to change the preferences for two brands of ____________ but were unsuccessful when the subjects were strongly attached to a brand
a. candy b. soft drinks c. cigarettes d. beer
Amacrine cells form direct connections with a. photoreceptors and bipolar cells
b. photoreceptors and ganglion cells. c. horizontal cells and bipolar cells. d. bipolar cells, ganglion cells, and other amacrine cells.
Transient ischemic attacks (TIAs) a. produce symptoms of stroke lasting less than 24 hours
b. produce very mild stroke symptoms that last indefinitely. c. are typically fatal within a few hours. d. are very common and do not require medical treatment.
Regarding the stability of IQ test scores throughout the lifespan, which is generally assumed to be true?
A) IQ scores in infancy are negatively correlated with IQ scores in adulthood. B) IQ scores in infancy are not strongly correlated with IQ scores in adulthood. C) IQ scores in infancy are strongly correlated with IQ scores in adulthood. D) IQ scores obtained in infancy are relatively stable over time.