At the Beginning of Every Trailer for Steven Spielberg's Next

Multiple Choice

At the beginning of every trailer for Steven Spielberg's next release Ready Player One,one hears a voice saying,"From the makers who brought you Jaws,E.T.,Schindler's List,and Jurassic Park,we are proud to present Ready Player One." In this example,the movie promoters are using:

A) stimulus discrimination.
B) selective retention.
C) stimulus generalization.
D) social learning.