the “blemishing effect”—where “adding a minor negative detail in an otherwise positive description of a target can give that description a more positive impact.” But the blemishing effect seems to operate only under two circumstances. First, the people processing the information must be in what the researchers call a “low effort” state. That is, instead of focusing resolutely on the decision, they’re proceeding with a little less effort—perhaps because they’re busy or distracted. Second, the negative information must follow the positive information, not the reverse.
