Is a cognitive perspective in which solutions are either right or wrong with no in-between, whereas is a cognitive perspective that allows for two or more sides to every story and two or more legitimate views to every issue?

"Dualistic thinking" and "multiple thinking".

The possibility of dualistic thinking, that there is a decent and underhandedness approach to be; that individuals and things ought to be sorted by specific measures meets the possibility of badness and goodness. Dualistic thinking is the way the vast majority thinks and act; it is the "us versus them" syndrome.  

what words? are you talking about to complet what sentence