When Kamin (1965) manipulated the loudness of background noise as well as an auditory CS, he found that

a. what mattered most was the absolute volume of the CS, regardless of background noise level.
b. what mattered most was how discriminable the CS was from the background noise.
c. subjects responded more to a CS if it was decrease rather than an increase in loudness.
d. subjects could not perceive loudness changes of less than 20 decibels.


Ans: b

Psychology

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