by Scott F. Aikin and Robert B. Talisse
Popular political commentary from across the spectrum is replete with warnings social about “bubbles,” “silos,” and “echo chambers.” These are said to produce “closure,” “groupthink,” and an “alternate reality.” In turn, these forces result in the dysfunction of polarization, a condition where political officials and ordinary citizens are so deeply divided that there is no basis for compromise or even productive communication among them.
That polarization is politically dysfunctional might seem obvious. Where polarization prevails, the ground for compromise recedes, and so politics becomes a series of standoffs and bottlenecks. Yet politics still needs to get done. Hence democracy devolves into a numbers game of modus vivendi truces and strained compromises, resembling nothing like self-government among social equals.
In order to know what to do about polarization, we need a more precise view of what it is. It is helpful to distinguish (as we have elsewhere) between two different kinds of polarization: political polarization and belief polarization. The former refers to various ways of measuring the distance between political rivals. This distance can be conceived in terms of policy and platform divides or else in terms of inter-party antipathy. But in either case, where political polarization prevails, the common ground among politically opposed parties falls out, resulting in political deadlock. The latter, belief polarization, refers to a phenomenon to which we are all subject by which interactions with like-minded others transforms us into more extreme versions of ourselves. Read more »