What’s more, those branches of social theory that make the greatest claims to “scientific status”—“rational choice theory,” for instance—start from the same assumptions about human psychology that economists do: that human beings are best viewed as self-interested actors calculating how to get the best terms possible out of any situation, the most profit or pleasure or happiness for the least sacrifice or investment—curious, considering experimental psychologists have demonstrated over and over again that these assumptions simply aren’t true.
