In the measurement of sound, the number of vibrations per second is called a(n)

a. hertz.
b. decibel.
c. ampere.
d. ohm.


ANSWER: a

Psychology

You might also like to view...

What is the primary downside to using learning models that emphasize anger control, social skills, and moral reasoning to treat antisocial personality disorder?

a. ?These models are only effective if combined with medication. b. ?These models focus on modulating behavior, not understanding the cause. c. ?These models are ineffective in those who show true psychopathy. d. ?These models take many years to show signs of improvement.

Psychology

The distribution of neurons within the somatosensory cortex of humans is uneven. Proportionately, larger areas of this region are dedicated to the:

a. back, trunk, and thighs b. face, lips, and fingers c. eyes, ears, mouth, and nose d. neck, shoulders, and chest

Psychology

Which of the following is the last method to be used to change a toddler's misbehavior?

a. childproofing the home b. removing the child from the unwanted situation c. telling the child "no" d. putting the child in a time-out

Psychology

Based on the most recent data, which of the following individuals is more likely to have made out a will?

a. Maddie, 16 years of age b. Winston, 24 years of age c. Sandy, 40 years of age d. William, 67 years of age

Psychology