As Baby Harriet smiles and laughs, her mother responds by smiling, laughing, and talking gently to her. This makes Harriet smile and laugh more often. The mother's behavior is an example of

Question

Quizplus · Accepted Answer

The mother's behavior is reinforcing Baby Harriet's positive behavior (smiling and laughing), making it more likely to occur again in the future. Therefore, the mother's behavior is an example of a reinforcer.

As Baby Harriet Smiles and Laughs, Her Mother Responds by Smiling