How does marijuana alter brain activity?
a. It attaches to dopamine and serotonin receptors
b. It blocks the reuptake of dopamine and serotonin.
c. It increases the ability of sodium to cross the axon membrane.
d. It decreases the release of certain neurotransmitters.
d
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The process of converting unstable, short-term memory into lasting, stable memories is called
a. eidetic engineering. b. maintenance rehearsal. c. elaborative rehearsal. d. consolidation. e. chunking.
A sample that includes individuals with known qualifications or experiences is known as a(n) ____ sample
a. quota b. snowball c. heterogeneity d. expert
Jake is asked to spell a word, but to correctly do so he must actually take a pencil and write the word. Jake also seems to learn best through "hands-on" activities, where he can actually "do" the activity. Jake's learning style appears to make greatest use of which sense?
a. kinesthetic b. vestibular c. olfaction d. gustation
Imagine that you are a subject in a study in which you are asked to remember a sequence of 20 letters of the alphabet dictated to you at the rate of one letter every two seconds. Immediately after the dictation, you are asked to recall the original sequence of letters. Most likely the researcher is studying what aspect of memory?
a. ?apacity of echoic sensory memory b. ?capacity of long-term memory c. ?capacity of iconic sensory memory d. ?capacity of short-term memory