Normalcy Bias

A study across Europe found that unrealistic optimism during the COVID-19 pandemic impacted negatively the adoption of protective behaviors. Despite all the clear warnings in the environment.

This worsened the consequences because preventive measures are key in tackling the spread of diseases.

We believe that things will work as usual, refusing to prepare for potential disasters.

See the full study here :

McColl, K. et al. (2022). Are People Optimistically Biased about the Risk of COVID-19 Infection? Lessons from the First Wave of the Pandemic in Europe. International Journal of Environmental Research and Public Health, 19(1), 436

Want to know more about biases?

Single Option Aversion

Social Norms

Lag Effect