“All of us, from children to scientists, have difficulty accepting data that go against our firmly held beliefs. We have to restructure too much of our intellectual framework to assimilate such surprises. It is far less costly, at least for a time, to keep the framework and deny the fact.” EducationPsychology Book:The Having of Wonderful Ideas" and Other Essays on Teaching and Learning Source: The Having of Wonderful Ideas" and Other Essays on Teaching and Learning