Regarding the mechanisms of hunger, which of the following statements is FALSE?
a. When you are hungry, your stomach lining produces ghrelin.
b. Ghrelin activates parts of the brain involved in learning.
c. One should study before you eat, not immediately after.
d. Ghrelin is an amino acid that activates a person's ventromedial hypothalamus.
D
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The cell mass that develops from the fertilized egg implants itself in the uterine wall during the ____ stage of prenatal development
a. fertilization b. fetal c. embryonic d. germinal
Which of the following increases the frequency of a desired behavior?
A. extinction B. positive reinforcer C. negative reinforcer D. conditioned stimulus
What do the following have in common: a microphone concealed in the ceiling of a laboratory, filler items on a psychological survey meant to distract from a study's true purpose, and a misleading explanation told to participants about the purpose of a study?
A) They all are forms of experimenter bias. B) They all are examples of unethical research. C) They all are examples of naturalistic observation. D) They all are ways of avoiding demand characteristics.
A politician who is inwardly biased against other ethnic groups tends to verbally rationalize his support of issues that, in reality, are harmful to these specific groups. This politician is exhibiting what would best be described as
a. group prejudice. b. superordinate goals. c. symbolic prejudice. d. social stereotyping.