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
The art of reinforcing good behaviour displayed by the
child with verbal praise applies the 
Select and explain. 
A. Operant conditioning theory, B. Classical conditioning theory, C. Psychoanalytical theory, D. Social learning theory
A: Operant conditioning theory
Answer: A: Operant conditioning theory 
Explanation: None