Summary

Traditional models of political decision making tend to focus on the subject’s information levels or information-processing strategy. One of the most common conceptions of political decision making assumes that voters who are informed by a store of factually accurate policy information make more optimal decisions—that is, decisions more in line with their supposed political interests—than those who lack such information. However, this traditional view of political decision making minimizes the roles of affect and social influence on judgment. No phenomenon underscores the primary place of these constructs more so than the meteoric rise of online social media use. Indeed, scholars working at the intersection of social media use and political judgment have made important revisions to the traditional model of political decision making. Specifically, the popularity of online social networks as a tool for exchanging information, connecting with others, and displaying affective reactions to stimuli suggest that new models of competent political decision making which take into account social, affective, and cognitive elements are replacing older, information-based and rational choice models. In this essay, I review some of the pertinent literature on social media use and decision-making and argue that motivation, emotion, and social networks are key components of political judgment and are in fact more relevant to understanding political decisions than political knowledge or political sophistication. I also propose that new models of political decision-making would do well to take into account automaticity, social approval, and the role of information in both rationalizing preferences and persuading others.