After choosing among several computer server systems, the Director of Information Systems feels very positive about the choice that was made. However, some of this optimism is due to the fact that the Director ignored some of the limitations of the chosen system and unconsciously downplays the importance of the positive features of the rejected systems. The Director of Information Systems is engaging in:.A) confirmation bias. B) impulsive buying. C) escalation of commitment. D) rational maximization. E) rational choice thinking.