Introduction to Psychology 10th Edition by Rod Plotnik,Haig Kouyoumdjian

Exercise 27

The stimuli for hearing, or audition, are sound waves, which have several physical characteristics. The physical characteristic of amplitude or height of sound waves is transformed into the subjective experience of (a) _____ , which is measured in units called (b) _____ The frequency of sound waves (cycles per second) is transformed into the subjective experience of (c) _____ , which for humans ranges from about 20 to 20,000 cycles per second.