Kenjurô Is a 4-Month-Old Infant Who Is Taking Part in a Research

Multiple Choice

Kenjurô is a 4-month-old infant who is taking part in a research study investigating auditory perception.As Kenjurô sucks on a pacifier he hears soft music playing and he begins to drift off to sleep.As he falls asleep, he stops sucking on the pacifier and the recording switches to his mother's voice reading a story.In this example, what research method is the researcher using?

A) preference
B) evoked sucking
C) habituation
D) high-amplitude sucking