A surprising number of biases involve resisting change, avoiding threatening information, or doubling down on existing beliefs. Reactance, formalized by Jack Brehm's reactance theory, describes the unpleasant motivational state that arises when people feel their freedom to choose is threatened, and how that state drives them to want the forbidden option even more. The default effect channels similar impulses: pre-set options are rarely altered, which is why organ donation rates are dramatically higher in countries with opt-out systems than in those with opt-in systems. The omission bias tilts moral judgment, since people generally see harmful actions as worse than equally harmful inactions, even when the consequences are identical. Outcome bias similarly leads us to evaluate decisions by their results rather than by their quality at the moment they were made.
Threats to identity and comfort often produce avoidance. Normalcy bias leads people to underestimate the likelihood or impact of disasters and assume things will continue to function as usual, slowing response times during emergencies. The ostrich effect takes this further: we actively avoid negative information, such as by not checking bank statements during a market downturn. The focusing illusion, a phrase coined by Kahneman, captures the basic idea that "nothing in life is as important as you think it is while you are thinking about it," because focused attention inflates perceived importance. Hyperbolic discounting explains why smaller immediate rewards often beat larger delayed ones, fueling procrastination and impulsive spending. The empathy gap (or hot-cold empathy gap) deepens this picture by showing that when calm, fed, and unaroused, we systematically misjudge what we will think, want, and do in very different emotional states.
When beliefs are challenged, defenses often harden. The backfire effect is especially striking: presenting people with evidence against their beliefs can actually strengthen those beliefs, particularly when the beliefs are tied to identity. Belief perseverance keeps discredited ideas alive long after the original evidence has evaporated. Information bias drives us to seek more information even when additional data cannot affect the decision, contributing to analysis paralysis. The planning fallacy, identified by Kahneman and Tversky, describes how we systematically underestimate the time, cost, and effort required to complete tasks, even when past experience suggests otherwise. Two further patterns belong here: moral licensing, in which a good deed psychologically licenses a later bad one, and declinism, the pervasive sense that the past was better and society is in decline. Proportionality bias, the assumption that big events must have big causes, contributes to conspiracy thinking, while the broken window theory suggests that visible signs of disorder, such as litter, encourage further disorder by signaling what is acceptable.