Joe,a Young Boy,learns How to Make a Paper Airplane by Watching

Multiple Choice

Joe,a young boy,learns how to make a paper airplane by watching his older brother.He goes to his kindergarten class,where he makes a paper airplane,and Jenna learns to make one by watching Joe.Jenna goes home after school and plays with her friend Nora.Nora learns to make a paper airplane by watching Jenna.This process illustrates:

A) shaping through successive approximations.
B) a diffusion chain.
C) a three-term contingency.
D) stimulus generalization.