Personality traits, which can be described as differences between individuals regarding their behavior, thoughts, and feelings, can be seen as relatively stable in different situations and over time (Specht et al., 2014). A pair of 90 twins in the age group of 3-6 years from five cultural zones of state Haryana was taken. A Five Factor Personality Questionnaire (Cathy, 2011) was used for assessing the personality traits of preschool twins. | Correlation between different traits of personality among monozygotic twins