Joanne Was Teaching Her Two Year Old Son to Write

Multiple Choice

Joanne was teaching her two year old son to write his first name. She praised him for writing the first letter correctly. After the child had mastered that first step, she praised him for every letter he wrote, until he wrote the entire name correctly. This implies that Joanne was engaging in _____.

A) shaping
B) negative reinforcement
C) punishment
D) extinction
E) positive reinforcement