Bill drives faster than the speed limit only when his friends are in the car with him because they tell him he is cool.He doesn't speed when his parents or girlfriend are in the car because they don't say it's cool.What is the S-delta in this example?
A) parents
B) girlfriend
C) friends
D) parents and girlfriend

Question

Bill drives faster than the speed limit only when his friends are in the car with him because they tell him he is cool.He doesn't speed when his parents or girlfriend are in the car because they don't say it's cool.What is the S-delta in this example?​
A) ​parents
B) ​girlfriend
C) ​friends
D) ​parents and girlfriend

Quizplus · Accepted Answer

S-delta (SΔ) refers to a stimulus in the presence of which a particular behavior is not reinforced. In this example, Bill does not speed (the behavior is not reinforced) when his parents or girlfriend are in the car, making them the S-delta.

Bill Drives Faster Than the Speed Limit Only When His