Psilocybin's effects on the nervous system are due to its:
A. excitatory influence on serotonin receptors
B. inhibitory action on dopamine receptors
C. similarity to cocaine with regard to chemical makeup
D. chemical structure resembling LSD
Answer: D
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Dr. Stein is an expert in human development. When conducting research, Dr. Stein will utilize ______.
A. subjective observation techniques B. the scientific method C. tools and resources that have never been used before D. hypothetical models of human behavior
According to research, video games can
A. impair linguistic skills. B. enhance cognitive skills such as visual tracking. C. impair motor skills. D. enhance mathematical skills in adolescents.
Mail surveys provide the advantage of increasing
a) the size of the recruitment sample b) the accuracy of the targeted individual. c) standardization in how the survey is completed. d) the response rate.
In the experimental method, the ____ variable is controlled by the researcher while the ____ variable is the outcome that the experimenter observes and records
A) dependent; independent B) independent; dependent C) random; representative D) representative; random