Hannah is the leader of the creative team that runs promotional campaigns for Coca$-$Cola at McCann Canada. She tries to get all the credit for the good work and achievements of her team and whenever there is a mistake or negative feedback from customers, she criticizes the company and or looks for a scapegoat in her team. This is an example of the

perceptual defense

external locus of control

the self$-$serving bias

the fundamental attribution error