differential reinforcement

Concept

Example

Giselle is $3$ years old. When asked her name, she says, "Giselle, and I$\text{'}$m a girl."

Martina is Ronnie's next$-$door neighbor. Ronnie sometimes plays with Martina on weekends but in kindergarten, he ignores her and plays only with boys.

In an attempt to reduce Adolfo's aggression, his father encourages him to calmly build with blocks when his aggressive play begins to get out of hand.

Samara's mother is a doctor. She was surprised when $4-$year$-$old Samara told her she wanted to be a nurse because only boys could be doctors.

George's father makes negative comments when George plays with his sister's dolls. He also praises his son for