Research by Pelaez and colleagues (2012) found that the mother's facial expression served as a ___________________ for their 4- and 5-month-old infants.
A) Positive reinforcer
B) Negative reinforcer
C) Discriminative stimulus
D) Extinction stimulus

Question

Quizplus · Accepted Answer

The mother's facial expression acts as a discriminative stimulus for infants, signaling when a behavior is likely to be reinforced, guiding the infant's behavior in response to the expression.

Research by Pelaez and Colleagues (2012) Found That the Mother's