Scope Insensitivity
A cognitive bias where people's emotional response or willingness to help stays roughly the same whether a problem affects 100 or 100,000 individuals.
A systematic error in human judgment where the magnitude of a problem—such as the number of lives at stake or dollars involved—fails to proportionally influence our emotional reaction or decision-making. First documented in charitable giving studies, it explains why people donate similar amounts to save 2,000 birds versus 200,000 birds. The bias stems from our reliance on affect and mental imagery rather than statistical reasoning when evaluating large-scale issues.
What this means in real life
When shown photos of a single starving child versus statistics about famine affecting millions, donors consistently give more money in response to the individual story, even though the larger crisis objectively demands greater resources.
What it isn’t
It is not simply caring more about individuals than groups. The bias occurs even when people consciously understand the numbers—their gut response and behavior just don't scale with the scope of harm.
Commonly misused online
Social media posts often invoke 'scope insensitivity' to dismiss any emotional response to individual stories as irrational, missing that the bias specifically describes the failure to increase concern as numbers grow, not the presence of empathy itself.