"They found that avoiding a toxic worker generates roughly twice the return of hiring a star performer." This is very true and one of the easiest ways to find

"They found that avoiding a toxic worker generates roughly twice the return of hiring a star performer." This is very true and one of the easiest ways to find that out is to put people into a pressure situation and see how they respond. And of course, you need to find out if someone has a famous clue of how to go about solving problems.