The final synthesis step for norepinephrine requires the presence of __________.
A. serotonin
B. dopamine
C. glycine
D. acetylcholinesterase
Answer: B
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When it comes to the use of scientifically valid psychological treatments, what can we assume?
a. ?As required by law, a licensed therapist can only engage in scientifically valid treatment strategies. b. ?A lack of scientific support does not always prevent an approach from being widely used. c. ?Psychologists with Ph.D. degrees are required to use evidence-based treatments, but not those with Psy.D. degrees. d. ?If a therapist uses a nonscientifically validated treatment, he or she is required by law to notify their clients.
A correlational coefficient is best characterized as a(n)
a. measure of the extent of the relationship between two existing traits, behaviors, or events. b. index of the causal direction between an independent and dependent variable. c. indication of the likelihood that an experimental finding will be replicated by others. d. measure of the likelihood that observed differences may be attributed to chance.
A sampling procedure often used when no list of the population exists is:
a. snowball sampling. b. cluster sampling. c. simple random sampling. d. quota sampling.
Hairlike cilia extend from
A. inner hair cells only. B. outer hair cells only. C. both inner and outer hair cells. D. neither inner nor outer hair cells.