Now, the sign remains on, but you stop pushing the button because you have had enough. Then you eat a bag of salty peanuts, and with the sign still on, start pushing the button again. Since the sign remained on, you could have pushed the button and received water at any time. Why did you do it only after you ate the peanuts?
An environmental change or event with the following features:
Precedes the response to which it is functionally related
Increases the effectiveness of a particular stimulus change as reinforcement
The type of environmental event
The cause of the environmental event
The type of stimulus that gains reinforcing effectiveness