Research indicates that marijuana use is least associated with which symptom?
a. ?severe withdrawal symptoms
b. ?motor impairment
c. ?reductions in creativity
d. ?lasting impairments in reasoning and memory
ANSWER:
a
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We can think of motivation as a process that maintains ____.?
a. ?self-awareness b. ?self-actualization c. ?homeostasis d. ?competition
Which of the following is one way that the brain's reward system changes in response to long-term drug use?
A. Overall dopamine levels are increased in this system. B. The brain shows hyperfrontality. C. Parts of the brain that are involved in decision making and inhibition show reduced activity. D. Ending drug use quickly reduces activity in the amygdala.
Symptoms of ADHD include inattentiveness, __________
Fill in the blank(s) with the appropriate word(s)
__________ validity is when observed changes in the dependent variable are related to the independent variable, whereas __________ validity refers to the degree of generalizability of results.
A. Construct; internal B. External; internal C. Internal; external D. Internal; construct