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Face masks reduce interpersonal distance in virtual reality.

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Wearing face masks, even when others wear them, can decrease physical distancing, especially when maintaining distance is difficult. This effect is influenced by situational factors and has implications for public safety policies.

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Area of Science:

  • Behavioral psychology
  • Public health
  • Epidemiology

Background:

  • Behavioral measures like face masks were implemented during the COVID-19 pandemic to curb viral transmission.
  • While effective in reducing infection risk, these measures might inadvertently promote risk-taking behaviors.

Purpose of the Study:

  • To experimentally investigate how wearing face masks influences physical distancing behavior.
  • To examine the interplay between face masks, situational constraints, and interpersonal distance.

Main Methods:

  • Eighty-four participants navigated a virtual supermarket, interacting with virtual agents (differing in mask-wearing and age).
  • Interpersonal distance was measured while participants moved towards a target.
  • Situational constraints were manipulated to vary the effort required for maintaining a 1.5m distance.

Main Results:

  • Wearing face masks (self or other) led to reduced physical distancing.
  • This reduction was more pronounced when maintaining the recommended distance required an effortful detour.
  • Increased distance to elderly agents was observed only when maintaining distance was effortless.

Conclusions:

  • Face mask usage can decrease physical distancing, particularly under challenging situational conditions.
  • Contextual factors significantly influence compensatory behaviors related to safety measures.
  • Findings have critical implications for designing effective public health and safety policies.