Standardization and normative data of the Greek version of the temperament and character inventory (TCI)

Konstantinos N. Fountoulakis, S. Rózsa, Melina Siamouli, Katerina Moutou, Eleonora Pantoula, Claude Robert Cloninger

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Background: Robert Cloninger's psychobiological model of temperament and character is a dimensional approach to personality assessment and gave birth to the temperament and character inventory (TCI). The aim of the present report is to examine the psychometric properties of the Greek version of the TCI, and to replicate its postulated structure and provide preliminary normative data for the Greek population. Methods: The study sample included 734 subjects from the general Greek population (436 females; 59.4 % and 298 males; 40.6 %). Their mean age was 40.80 ± 11.48 years (range 25-67 years). The mean age for females was 39.43 ± 10.87 years (range 25-65 years), while the mean age for males was 42.82 ± 12.06 years (range 25-67 years). Descriptive statistics tables concerning age, gender and occupational status distribution in the sample were created. The analysis included the calculation of Cronbach's alpha, factor analysis with promax rotation and the calculation of Pearson correlation coefficients between the subscales scores. Analysis of Covariance with age as covariate and t test and Cohen's d as post hoc tests was used to search for differences in subscales scores between males and females. Results: The overall psychometric properties of the Greek version of the TCI proved to be satisfactory, with acceptable consistencies of the subscales. The factor analysis of temperament identified four factors which together explained 58.56 % of total variance, while the factor analysis of the three-factor solution of the character explained 52.24 % of total variance. The TCI scales correlate significantly but weakly between each other and with age. Discussion: The Greek version of the TCI exhibits psychometric properties similar to its original English counterpart and to other national translations and it is suitable for use in research and clinical practice.

Original languageEnglish
Article number28
JournalAnnals of General Psychiatry
Volume14
Issue number1
DOIs
Publication statusPublished - Sep 22 2015

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Temperament
Equipment and Supplies
Psychometrics
Statistical Factor Analysis
Personality Assessment
Population
Parturition
Research

ASJC Scopus subject areas

  • Psychiatry and Mental health

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Standardization and normative data of the Greek version of the temperament and character inventory (TCI). / Fountoulakis, Konstantinos N.; Rózsa, S.; Siamouli, Melina; Moutou, Katerina; Pantoula, Eleonora; Cloninger, Claude Robert.

In: Annals of General Psychiatry, Vol. 14, No. 1, 28, 22.09.2015.

Research output: Contribution to journalArticle

Fountoulakis, Konstantinos N. ; Rózsa, S. ; Siamouli, Melina ; Moutou, Katerina ; Pantoula, Eleonora ; Cloninger, Claude Robert. / Standardization and normative data of the Greek version of the temperament and character inventory (TCI). In: Annals of General Psychiatry. 2015 ; Vol. 14, No. 1.
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abstract = "Background: Robert Cloninger's psychobiological model of temperament and character is a dimensional approach to personality assessment and gave birth to the temperament and character inventory (TCI). The aim of the present report is to examine the psychometric properties of the Greek version of the TCI, and to replicate its postulated structure and provide preliminary normative data for the Greek population. Methods: The study sample included 734 subjects from the general Greek population (436 females; 59.4 {\%} and 298 males; 40.6 {\%}). Their mean age was 40.80 ± 11.48 years (range 25-67 years). The mean age for females was 39.43 ± 10.87 years (range 25-65 years), while the mean age for males was 42.82 ± 12.06 years (range 25-67 years). Descriptive statistics tables concerning age, gender and occupational status distribution in the sample were created. The analysis included the calculation of Cronbach's alpha, factor analysis with promax rotation and the calculation of Pearson correlation coefficients between the subscales scores. Analysis of Covariance with age as covariate and t test and Cohen's d as post hoc tests was used to search for differences in subscales scores between males and females. Results: The overall psychometric properties of the Greek version of the TCI proved to be satisfactory, with acceptable consistencies of the subscales. The factor analysis of temperament identified four factors which together explained 58.56 {\%} of total variance, while the factor analysis of the three-factor solution of the character explained 52.24 {\%} of total variance. The TCI scales correlate significantly but weakly between each other and with age. Discussion: The Greek version of the TCI exhibits psychometric properties similar to its original English counterpart and to other national translations and it is suitable for use in research and clinical practice.",
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