Looking Left and Right: Defending The Team

When they perceive that adoption of a policy will impugn the status of their group, they resist information about the utility of that policy as a form of psychological self-defense. It follows that one way to make individuals more receptive to such policies is to ease any sense of identity threat that they might experience. (links/citations in the original 2007 study by Dan M. Kahan: The Cognitively Illiberal State)