Reliability and Validity of the Farsi Version of the Somatosensory Amplification Scale

Reliability and Validity of the Farsi Version of the Somatosensory Amplification Scale Publisher

Aghayousefi A¹ ; Oraki M¹ ; Mohammadi N² ; Farzad V³ ; Daghaghzadeh H⁴

Show Affiliations

1. Department of Psychology, Payame Noor University, Tehran, IR, Iran
2. Psychosomatic Research Center, Isfahan University of Medical Sciences, Isfahan, IR, Iran
3. Department of Psychology, Kharazmi University, Tehran, IR, Iran
4. Integrative Functional Gastroenterology Research Center, Isfahan University of Medical Sciences, Isfahan, IR, Iran

Source: Iranian Journal of Psychiatry and Behavioral Sciences Published:2015

Abstract

Background: The somatosensory amplification scale (SSAS) is a 10-item self-report instrument designed to assess a tendency to experience normal somatic and visceral sensations as intense, noxious, and disturbing. Objectives: The present study investigated the reliability and validity of the SSAS, developed by Barsky et al. (1988), in the Iranian population. Materials and Methods: The study was carried out on 240 patients with functional gastrointestinal disorders and 30 healthy persons selected by convenience sampling from 2013 to 2014. The patients completed the SSAS, the somatization subscale of the symptom checklist-90-revised (SCL-90-R som), and the modified somatic perception questionnaire (MSPQ), whereas the healthy persons completed just the SSAS. Results: Exploratory factor analysis indicated that the one-factor solution, accounting for 29.42% of the variance, explained that the SSAS items were represented by one global dimension. The SSAS had acceptable internal consistency (α = 0.78) and good test-retest reliability (r = 0.80). The item-to-scale correlations varied from 0.17 to 0.55. Item 2 had the lowest item-total score correlation (r = 0.17), and the a coefficient for the SSAS exceeded when this item was deleted. The convergent validity of the SSAS with somatization was shown with a significant correlation between the SSAS, SCL-90-R som (r = 0.36), and MSPQ scores (r = 0.52). Discriminant validity analysis showed no significant difference in the SSAS between the patient and control groups (P > 0.05) and non-specificity of the SSAS for patients. Conclusions: In sum, the SSAS has acceptable reliability and validity for the Iranian population and the scale measures the same the original scale, namely somatosensory amplification. © 2015, Mazandaran University of Medical Sciences.

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Style	Citing Format
MLA	Aghayousefi A, et al.. "Reliability and Validity of the Farsi Version of the Somatosensory Amplification Scale." Iranian Journal of Psychiatry and Behavioral Sciences, vol. 9, no. 3, 2015, pp. -.
APA	Aghayousefi A, Oraki M, Mohammadi N, Farzad V, Daghaghzadeh H (2015). Reliability and Validity of the Farsi Version of the Somatosensory Amplification Scale. Iranian Journal of Psychiatry and Behavioral Sciences, 9(3), -.
Chicago	Aghayousefi A, Oraki M, Mohammadi N, Farzad V, Daghaghzadeh H. "Reliability and Validity of the Farsi Version of the Somatosensory Amplification Scale." Iranian Journal of Psychiatry and Behavioral Sciences 9, no. 3 (2015): -.
Harvard	Aghayousefi A et al. (2015) 'Reliability and Validity of the Farsi Version of the Somatosensory Amplification Scale', Iranian Journal of Psychiatry and Behavioral Sciences, 9(3), pp. -.
Vancouver	Aghayousefi A, Oraki M, Mohammadi N, Farzad V, Daghaghzadeh H. Reliability and Validity of the Farsi Version of the Somatosensory Amplification Scale. Iranian Journal of Psychiatry and Behavioral Sciences. 2015;9(3):-.
BibTex	@article{ author = {Aghayousefi A and Oraki M and Mohammadi N and Farzad V and Daghaghzadeh H}, title = {Reliability and Validity of the Farsi Version of the Somatosensory Amplification Scale}, journal = {Iranian Journal of Psychiatry and Behavioral Sciences}, volume = {9}, number = {3}, pages = {-}, year = {2015} }
RIS	TY - JOUR AU - Aghayousefi A AU - Oraki M AU - Mohammadi N AU - Farzad V AU - Daghaghzadeh H TI - Reliability and Validity of the Farsi Version of the Somatosensory Amplification Scale JO - Iranian Journal of Psychiatry and Behavioral Sciences VL - 9 IS - 3 SP - EP - PY - 2015 ER -

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