By what means do we perceive the pitch of an intermediate-frequency sound (such as 1000 Hz)?
a. The number of hair cells responding is proportional to the sound frequency.
b. The sound wave excites a particular location on the basilar membrane
c. Each hair cell produces an impulse for each sound wave.
d. Each sound wave excites a group, or volley, of hair cells.
d
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At the mall, a shop owner sees small groups of pre-teen girls and boys arrive separately and then hang out together in a larger mixed-gender group. The shop owner is watching:
a) cliques forming into one-on-one romantic relationships. b) gangs forming into crowds. c) cliques forming into crowds. d) crowds forming into cliques.
Michelle was invited to a housewares party. The party began with the 15 people in attendance introducing themselves. Michelle could only remember the first two and last two people she was introduced to. This is an example of__________
a) the primacy effect. b) the recency effect. c) the serial position effect. d) the state-dependent memory effect.