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Related Experiment Video

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A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents
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Acute Stress Reduces the Social Amplification of Risk Perception.

Nathalie F Popovic1, Ulrike U Bentele2, Jens C Pruessner2,3

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Stress impacts how people perceive and communicate risks. While feeling stressed may heighten concern about risks like Triclosan, the body's stress response (cortisol) can reduce risk perception during social information sharing.

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Area of Science:

  • Psychology
  • Social Psychology
  • Risk Communication

Background:

  • Risk perception is a social dynamic involving information transmission and amplification.
  • Stress is a common affective state that may influence these social dynamics.
  • Understanding stress's role in risk perception is crucial for effective risk communication.

Purpose of the Study:

  • To investigate how stress influences the social dynamics of risk perception.
  • To examine the effects of stress exposure on individual risk concern and information transmission.
  • To differentiate the impact of subjective stress feelings versus endocrine stress responses.

Main Methods:

  • Participants (N=146) read articles on the antibacterial agent Triclosan.
  • Risk concern was measured before and after information exposure.
  • Stress was induced, and cortisol levels were measured.
  • Participants informed another person about Triclosan, allowing for analysis of information transmission.

Main Results:

  • Stress exposure led to a smaller increase in Triclosan concern after reading articles.
  • Higher cortisol levels correlated with a smaller increase in risk concern.
  • Participants under stress transmitted less negative information about Triclosan.
  • Subjective feelings of stress were linked to increased concern and alarming risk communication.

Conclusions:

  • Subjective stress can amplify risk perception and alarmist communication.
  • Endocrine stress responses (cortisol) may attenuate risk perception in social contexts.
  • The dual effect of stress highlights the complexity of risk perception and communication.