This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
"Tell-show-do" technique of child management was introduced by: 
Select and explain. 
A. Bandura, B. Addleston, C. Joseph wolpe, D. Jordan
B: Addleston
Answer: B: Addleston 
Explanation: None