Normalcy Bias

In the face of disaster, people and organizations may downplay the severity of a negative event occurring.

This often results in a lack of preparedness and delayed protective action.

Normalcy bias is when people minimize or disbelieve warnings of natural disasters or other crises.

See the full study here :

Omer, H., & Alon, N. (1994). The continuity principle: A unified approach to disaster and trauma. American Journal of Community Psychology22, 273-287.

Want to know more about biases?

Bandwagon Effect

Projection Bias

Functional Fixedness

Pratfall Effect