In Jon’s field, academic psychology, the left-to-right ratio was between two to one and four to one from the 1930s through the mid-1990s, but then it began to shoot upward, reaching seventeen to one by 2016.44 The ratios in other core fields in the humanities and social sciences are nearly all above ten to one. The imbalance is larger at more prestigious universities and in New England.45 The only field among all of the humanities and social sciences that is known to have enough political diversity to allow for institutionalized disconfirmation is economics, where the left-to-right ratio found
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