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Dyad Arrangement Affects Perceived Valence Intensity.

Mahsa Barzy1,2, Richard Cook3, Katie L H Gray1

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Area of Science:

  • Social Psychology
  • Perception Science
  • Nonverbal Communication

Background:

  • Emotional expression perception is shaped by context and experience.
  • Social interactions provide a natural context for observing emotional expressions.
  • Understanding how social contexts affect emotional perception is crucial.

Purpose of the Study:

  • To investigate the impact of social interaction contexts on the perceived valence intensity of emotional whole-body stimuli.
  • To determine if the arrangement of individuals (face-to-face vs. back-to-back) influences emotional perception.

Main Methods:

  • Three online studies were conducted with participants rating emotional stimuli.
  • Dyads expressing happiness, anger, or neutrality were presented in face-to-face or back-to-back arrangements.
  • Presentation duration was manipulated, and attentional cues were controlled in one experiment.

Main Results:

  • Face-to-face arrangements amplified perceived positive and negative valence intensity compared to back-to-back.
  • This effect was observed with unlimited presentation duration and with short (500ms) durations for negative emotions.
  • Replacing a person with an arrow eliminated the arrangement effect, indicating it's not solely due to attention.

Conclusions:

  • Social interaction contexts significantly influence the perceived valence intensity of emotional expressions.
  • The findings suggest that the spatial arrangement within a social context is a key factor in emotional perception.
  • These results have implications for understanding social perception and responses in everyday group interactions.