Among other general rules he laid down the paradox that, in the social disequilibrium between capital and labor, the logical outcome was not collectivism, but anarchism; and Henry made note of it for study.
Sagan was looking for a kind of " chemical disequilibrium" – basically you look for chemicals that shouldn't be there, and if you find them, there must be something on the planet consistently making them.
心理学百科 The Psychology Book (Big Ideas Simply Explained)
However, if the existing schemas are inadequate for coping with new situations successfully, then the child is in a state of cognitive disequilibrium and the schemas need to develop in order to accommodate the necessary information