How evolutionary behavioural sciences can help us understand behaviour in a pandemic

Area of Science:

• Evolutionary psychology
• Behavioral science
• Public health

Background:

• The COVID-19 pandemic highlighted the critical role of public health and behavioral science.
• Current public health advice often focuses on proximate behavioral determinants, neglecting evolutionary underpinnings.
• Epidemiological models typically assume stable human behavior, failing to account for behavioral change dynamics.

Purpose of the Study:

• To explore how an evolutionary perspective can enhance understanding of pandemic-related behavior change.
• To examine the evolutionary basis of individual behavior in the context of public health crises.
• To inform individual and governmental decision-making for effective pandemic management.

Main Methods:

• Review of evolutionary theory concerning human preferences and cultural dynamics.
• Analysis of ultimate (evolutionary) explanations for behaviors like social distancing and compliance.
• Critique of 'good of the group' and 'one-size-fits-all' policy approaches.

Main Results:

• Human psychology and behavior evolved to maximize inclusive fitness, not necessarily health.
• This can create conflicts between individual self-interest and public health requirements.
• Appeals to group benefit and uniform policies are insufficient for sustained long-term behavior change.

Conclusions:

• Evolutionary insights reveal why individual behavior may not align with pandemic control measures.
• Long-term pandemic management requires facilitating environmental and social changes, not just behavioral advice.
• Policy interventions should consider improving societal conditions, especially for disadvantaged groups, to foster compliance.