A 6 year old female patient complains of pain due to a decayed lower right 2nd molar. During the treatment, patient becomes uncooperative and throws a tantrum. The dentist then asks the mother to step out of the operatory, after which the child begins to cooperate. The example demonstrated by the dentist falls under which type of conditioning, as described by Skinner?
Positive reinforcement Negative reinforcement Omission Punishment