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Sensory-processing sensitivity and its relation to introversion and emotionality

E N Aron1, A Aron

  • 1Department of Psychology, State University of New York at Stony Brook 11794-2500, USA. aron@psych1.psy.sunysb.edu

Journal of Personality and Social Psychology
|August 1, 1997
PubMed
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High sensory-processing sensitivity is a distinct trait, separate from introversion and emotionality. This research identified two groups of highly sensitive individuals and validated a new scale to measure this trait.

Area of Science:

  • Psychology
  • Personality Research

Background:

  • High sensory-processing sensitivity (HSP) has been previously confused with or subsumed under personality traits like social introversion and emotionality.
  • Previous theorizing has not clearly differentiated HSP from related constructs.

Purpose of the Study:

  • To identify the core variable of high sensory-processing sensitivity.
  • To demonstrate its independence from social introversion and emotionality.
  • To explore distinct subgroups within the highly sensitive population and investigate moderating effects of sensitivity.

Main Methods:

  • Conducted 7 studies utilizing diverse samples and measures.
  • Developed and validated a 27-item Highly Sensitive Person Scale (HSPS).
  • Employed statistical analyses to assess reliability, validity, and identify population clusters.

Related Experiment Videos

Main Results:

  • Identified a unidimensional core variable of high sensory-processing sensitivity.
  • Demonstrated partial independence of HSP from social introversion and emotionality.
  • Found two distinct clusters of highly sensitive individuals: one with a history of unhappy childhoods, and a larger group similar to non-HSPs except for sensitivity.
  • Sensitivity was found to moderate the relationship between parental environment and reporting an unhappy childhood, particularly in men.
  • The 27-item Highly Sensitive Person Scale demonstrated adequate reliability and validity.

Conclusions:

  • High sensory-processing sensitivity is a distinct personality trait.
  • The Highly Sensitive Person Scale is a reliable and valid measure for assessing this trait.
  • Understanding the distinct clusters and moderating effects of HSP can inform future research and interventions.