Regarding adult crystallized intelligence and fluid intelligence, which of the following statements is TRUE?
a. Both types of intelligence generally increase throughout the adult life span. b. Both types of intelligence generally decrease throughout the adult life span.
c. After early adulthood, fluid intelligence generally decreases, while crystallized intelligence stays about the same or increases.
d. After early adulthood, crystallized intelligence generally decreases, while fluid intelligence stays about the same or increases.
e. Both types of intelligence decrease, but only in late adulthood.
Question 2
Regarding the sensation of sound, which of the following statements is FALSE?
a. The brain determines where a sound originated by comparing the sounds received in each ear. b. The hair cells of the ear are not actual hairs.
c. The auditory cortex is located in the frontal lobes of the cerebral cortex.
d. For each 10decibel increase in a sound wave's amplitude, there is a tenfold increase in the loudness of thesound.
e. Sounds typically reach one ear before the other, with the brain able to detect a difference as small as1/10,000th of a second.
Measuring fluid and crystalized intelligence
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Distribution of fluid compartments in the body