Ratio Bias and Policy Preferences: How Equivalency Framing of Numbers Can Affect Attitudes

Numbers permeate modern political communication. While current scholarship on framing effects has focused on the persuasive effects of words and arguments, this article shows that framing of numbers can also substantially affect policy preferences. Such effects are caused by ratio bias, which is a general tendency to focus on numerators and pay insufficient attention to denominators in ratios. Using a population‐based survey experiment, I...