Which of the Following Is Demonstrating Extinction of an Operant

Multiple Choice

Which of the following is demonstrating extinction of an operant response?

A) Ginny, who learns to dress herself when her mother reinforces her for accomplishing each small step in the process
B) Ron, who receives praise every time he puts his schoolbooks away
C) Hermione, who eventually stops raising her hand when Professor Snape fails to call on her
D) Harry, who learns secret routes that provide an escape from the Dark Forest when he is under attack
E) Malfoy, who leaves school two days early at Christmas break to avoid the rush of holiday traffic