Which of the following standard scores reflects the poorest relative performance on a
test?
a. z= +2.34
b. z = 0.00
c. z= -1.21
d. z= -1.84
D
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Dopamine is to _____ as _____ is/are to pain relief.
A) schizophrenia; serotonin B) Parkinson's disease; norepinephrine C) reinforcement; endorphins D) Alzheimer's disease; morphine
Generalized anxiety disorder is characterized by
a. fear of scrutiny or evaluation by others b. excessive anxiety and worry c. unwarranted fear of a specific object or event d. distress when away from an attachment figure
In addition to the biological consequences of chronic drug use by adolescents, there are also social consequences. One may be "arrested development," which means
A) delayed brain development resulting from metabolic changes. B) inhibited physical maturation due to a decrease in sex hormones. C) delays in emotional maturation due to prolonged immaturity. D) missed social experiences/opportunities and emotional growth.
Compared to when they were only 20 years old, 60 year olds:
a. spend less time in deep sleep. b. spend less time in Stage 1 sleep. c. spend more time in paradoxical sleep. d. complete the sleep cycle more slowly.