Answer:
Secondary
Step-by-step explanation:
In a replication of Bandura et al.'s "Bobo doll" study, children observe an adult model behave aggressively toward a doll. The children then observe another adult tell the model, "Good job!" The model received Secondary reinforcement for behaving aggressively.
Secondary reinforcement to a situation in which a stimulus reinforces a behavior after it has been associated with primary reinforcer.