The loudness of a sound is determined by the __________ of the sound waves and expressed in __________ units of measurement
a. wavelength; decibel c. amplitude; pounds pressure
b. amplitude; millimicrons d. amplitude; decibel
D
You might also like to view...
Which of the following psychologists would be MOST likely to stress that each person has a drive to grow and fulfill his or her potential?
a. Sigmund Freud b. B. F. Skinner c. G. Stanley Hall d. Abraham Maslow
A definition of a variable in terms of the activities a research uses to measure or manipulate it is a(n):
a. operational definition b. functional definition c. well-defined variable d. measure definition
Like electroconvulsive therapy, transcranial magnetic stimulation may be used to treat ________.
Fill in the blank(s) with the appropriate word(s).
Which is a primary sexual characteristic?
A) breast development B) menstruation C) body hair development D) skin changes