Based on his pioneering research on hunger, Walter Cannon concluded that
a. peripheral cues for hunger are secondary to central brain mechanisms.
b. pressure stimulates the production of enzymes in the stomach.
c. stomach cramps are responsible for hunger.
d. stomach cramps are a necessary cue, but not a sufficient cue for hunger.
Answer: c. stomach cramps are responsible for hunger.
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How does memory improve after sleep? a. Certain synapses strengthen during learning, and others weaken during sleep. b. Increased blood flow to the brain during sleep develops new neurons
c. Action potentials slow down during the day and increase velocity during sleep. d. The brain increases its ratio of excitatory transmitters to inhibitory transmitters.
Limiting access to alcohol appears to be the most effective means of reducing the incidence of binge drinking in college students
a. True b. False Indicate whether the statement is true or false
Which of the following statements is true of the experimental method of research?
A) In the experimental method of research, participants in control groups obtain the treatment being tested. B) The experimental method fails to answer questions about cause and effect. C) In the experimental method of research, participants in experimental groups do not obtain the treatment being tested. D) The experimental method allows psychologists to control the experiences of participants and draw conclusions about cause and effect.
A(n) ____ index is one where different components of the index are combined in different amounts or with different emphasis
a. average b. rule-driven c. weighted d. modified