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Blushing as a function of audience size.

D Shearn1, E Bergman, K Hill

  • 1Psychology Department, Colorado College, Colorado Springs 80903.

Psychophysiology
|July 1, 1992
PubMed
Summary
This summary is machine-generated.

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Blushing intensity increased with larger audiences, with physiological responses like ear coloration and cheek temperature also affected. Audience size and stimulation type significantly interacted in this study on blushing.

Area of Science:

  • Psychology
  • Physiology

Background:

  • Experimental analysis of blushing is scarce since Darwin's 1872 observations.
  • Audience effects on physiological and emotional responses are not fully understood.

Purpose of the Study:

  • To experimentally investigate blushing in response to social stimuli.
  • To examine the influence of audience size on blushing and related physiological measures.

Main Methods:

  • Forty-eight college women participated, viewing two videotapes: one designed to elicit blushing, another for control physiological responses.
  • Blushing was directly measured using a photoplethysmograph on the cheek.
  • Physiological responses including ear coloration, cheek temperature, and skin conductance were recorded under varying audience sizes (0, 1, or 4 persons).

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Main Results:

  • Blushing was significantly greater during blushing-eliciting stimulation compared to control stimulation.
  • Blushing intensity increased with audience size from one to four individuals, but not from zero to one.
  • Audience size and stimulation type showed a statistically significant interaction. Ear coloration, cheek temperature, and skin conductance responses generally mirrored these findings, albeit with lower confidence levels.

Conclusions:

  • Audience size plays a significant role in modulating blushing and associated physiological responses.
  • The findings align with broader research on the emotional and physiological impacts of audience presence, such as increased tension and speech disturbances.