Mr Knockwerst Is Teaching Muriel, a Girl with Developmental Disabilities

Multiple Choice

Mr. Knockwerst is teaching Muriel, a girl with developmental disabilities, to use a spoon when she eats cereal. He has had good success in the classroom when Muriel is sitting in her favorite chair. However, in the cafeteria, he has been unable to get her to use a spoon. Mr. Knockwerst then decides to bring Muriel's chair into the cafeteria for her during meals. What principle of generalization programming is Mr. Knockwerst employing?

A) use of self-mediated stimuli
B) use of common social stimuli
C) use of common physical stimuli
D) use of indiscriminable contingencies