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Framing sound: Using expectations to reduce environmental noise annoyance.

Fiona Crichton1, George Dodd2, Gian Schmid2

  • 1Department of Psychological Medicine, University of Auckland, New Zealand.

Environmental Research
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Summary

Negative information about wind turbine sound increases annoyance, especially for noise-sensitive individuals. Positive framing of wind farm sound can reduce annoyance, even in sensitive populations.

Keywords:
Environmental noise annoyanceExpectationsNoise sensitivityWind farms

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Area of Science:

  • Environmental Psychology
  • Acoustics
  • Public Health

Background:

  • Annoyance reactions to environmental noise, like wind turbine sound, are linked to psychological distress.
  • Factors influencing wind farm noise annoyance include sound characteristics, resident sensitivity, and pre-exposure information.
  • Negative expectations about sound exposure can exacerbate annoyance.

Purpose of the Study:

  • To investigate how positive or negative expectations about wind farm sound affect annoyance during exposure.
  • To determine if expectations influence the relationship between noise sensitivity and annoyance.

Main Methods:

  • Sixty volunteers were randomly assigned to receive either negative or positive information about wind farm sound.
  • Participants were exposed to audible wind farm sound and sub-audible infrasound for 7 minutes.
  • Annoyance levels were assessed during the sound exposure sessions.

Main Results:

  • Participants with positive expectations reported significantly less annoyance than those with negative expectations.
  • Noise sensitivity only predicted annoyance in the group that received negative information.
  • Positive framing of wind farm sound reduced annoyance, even in noise-sensitive individuals.

Conclusions:

  • Accessing negative information about sound is likely to trigger annoyance, particularly in noise-sensitive individuals.
  • Portraying wind farm sound positively can mitigate annoyance reactions.
  • Expectation management may be a key factor in addressing public health concerns related to wind farm noise.