In Order to Examine Whether Infants Respond Differently to Attractive

Multiple Choice

In order to examine whether infants respond differently to attractive and unattractive faces, Judith Langlois and her colleagues measured the social responses of 12-month-old infants interacting with a stranger wearing either an attractive or an unattractive mask. What is the dependent variable in this study?

A) the attractive or unattractive masks
B) the social responses
C) the infants
D) only the unattractive masks