Super Nanny Is Visiting the Niemann Household to Assist in Eliminating

Super Nanny is visiting the Niemann household to assist in eliminating little Alex's temper tantrums. Super Nanny decides to set up rules that specify what behaviors will be strengthened or rewarded. Super Nanny has implemented a behavioral technique called

A) positive reinforcement.
B) exposure therapy.
C) assertiveness training.
D) extinction.