Operant Conditioning Is a Behavior Modification Technique Commonly Used in Classroom

Operant conditioning is a behavior modification technique commonly used in classroom settings. What is the basic principle behind operant conditioning?

A) When behaviors are followed by a desirable outcome, those behaviors tend to increase in frequency
B) Children will often role play social expectations during their developmental period
C) Sometimes people over-generalize newly learned concepts
D) Metacognition is best taught by modeling