Emilio wants to play a prank on his friend, so he buys an air-horn and sneaks up behind his buddy. He presses the button, and a deafening blast of noise comes out of the horn, causing his friend to jump straight out of his chair. The horn that Emilio used seems to have

A. a low frequency.
B. a short wavelength.
C. a very high amplitude.
D. no timbre.

Answer: C

Psychology

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A good deal of research has examined whether men and women differ in terms of the strength of their emotional reactions. What has this research found?

a. In beeper studies, women report slightly stronger emotional reactions than men, but on physiological measures, there are essentially no gender differences. b. In beeper studies there are almost no gender differences, but on physiological measures, women show slightly stronger emotional reactions. c. In beeper studies and on physiological measures, women show slightly stronger emotional reactions than men. d. There are essentially no gender differences either in beeper studies or on physiological measures.

Psychology

An example of a linear transformation is

a. converting heights from feet to meters. b. subtracting the value of the mean from each individual IQ score and dividing by the value of the standard deviation. c. both a and b d. none of the above

Psychology