Two characters on the "star trek" television series, mr. spock and commander data, are completely logical. they make their decisions on the basis of realistic considerations, not emotions or moral judgment. from a psychodynamic perspective, their personalities are entirely based on their id ego ego ideal superego

From psycho-dynamic perspective, the both personalities on the TV series Star Trek who were logical and make realistic considerations have personalities that are based on their ego. They have lot of self esteem or self-worth of themselves. A difference of opinion between these kinds of people will be a neck to neck situation as both are confident individuals.