The sticking point: people often strenuously resist such diversification efforts, in part because the associated cognitive dissonance can be so extreme and uncomfortable. “My personal opinion is that this is not an individual property,” said Galesic. “Most of us are just trying to fit in with the people we need to collaborate with, who are around us in a particular environment. I don’t think that people are inherently closed-minded. So a lot of that can be changed by changing the social environment.