Thomas was an elementary school principal who would meet with a team of professionals to discuss various children's problems within the school. he would tell them his philosophy of education, discipline, interacting with staff and children, etc. and why this was the best way to run the school. after his lengthy dissertation, the school psychologist wanted to discuss a child who appeared to have a learning disability. thomas immediately excused himself to take inventory. which type of personality disorder best typifies thomas' behavior?

The type of personality disorder that best describes Thomas’ behavior is the narcissistic. The narcissistic personality disorder makes a person to have an obsession to one ’s self or having strong desire or interest to self which could be seen in the scenario in which Thomas has been paying attention and has been participating in the group meeting as he is the one talking, but when someone else had started to talk and it wasn't him anymore, he decided to excuse himself which exemplifies the behavior of being a narcissistic.

answer; the intervening variable;