Greg shakes the apple tree to get an apple to fall for him to eat. Now when he shakes the tree, no apples fall so he runs into the tree with his shoulder to get an apple to fall. Running into the tree with his shoulder is an example of:

Respuesta :

Answer: An Extinction Burst

Explanation: Extinction burst occurs when there is a continuous reaction to a stimulus that initially produced a positive reinforcements but has presently cease to exist (extinction). It can also be expressed as when an unwanted behavior increase rate or intensifies due to absence of an expected happening.