Study of the psychometrical features of Enneagram personality types

The purpose of the research was Study of the psychometrical features of Enneagram personality types. The statistical population consisted of 676 employed and unemployed females and males residing in Tehran city that had high school certificate or above and their mean age was 32.8. Sampling method were randomly and available population. Findings showed that difficulty co-efficient mean were 0.41 to 0.55. Besides, the distinctive co-efficient mean of questions estimated 0.17 to 0.38. Superficial content validity confirmed by a few psychometrists. Constructive validity calculated by correlation and exploring factor analysis. The results revealed the first three factors consisted (expressed) %16.5 of total variance. In fact, it showed suitable adaptation with emotionalism, perceptionism and operationalism. Consistency co-efficient calculated by Cronbach Alpha 0.67 to 0.81 and through test-retest 0.95 to 0.98. Normal t scores were been obtained in this study. According to the results, opplication of the Enneagram test recommend for normal people and research studies.