Decibel levels represent the amount of energy producing the pressure of the vibrations we perceive as sound. Which of these is an accurate description of this perceptual process?
a) The greater the hertz, the lower the pitch.
b) The greater the hertz, the higher the pitch.
c) The greater the pressure, the less intense the vibration.
d) The greater the pressure, the more intense the vibration.
ANS: d
Psychology
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Which of the following brain structures is most utilized when someone is engaged in working memory?
a) the hippocampus b) the prefrontal cortex c) the hypothalamus d) the cerebellum
Psychology
Consider the following destructive acts: soccer fans bludgeoning one another, young people throwing rocks at police officers, and Klansmen lynching African Americans. All of these are examples of the dangerous effects of
a. hysterical contagion. b. anti-social contagion. c. anti-social anonymity. d. deindividuation.
Psychology