We compared alternative models to explore the multidimensionality of the Highly Sensitive Person Scale (HSPS; Aron and Aron
1997) on two Turkish samples. Using exploratory factor analysis, first study (N = 412) yielded four factors representing diverse
domains of sensory processing sensitivity (SPS). Using both traditional confirmatory factor analysis and exploratory structural
equation modeling (ESEM), a second study (N = 341) confirmed the multidimensionality of the HSPS, and demonstrated that the
four-factor ESEM solution (sensitivity to external stimuli, aesthetic sensitivity, harm avoidance, and sensitivity to overstimula-
tion) was superior to the previously reported alternative models. Four factors were also systematically associated with the external
validators including big five personality traits. Findings suggested that a multifaceted approach to SPS representing domain-
specific sensitivities is needed.

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• Exploring the Multidimensional Structure of Sensory Processing Sensitivity in Turkish Samples