One of the major catalysts for the advancement of research on personality in recent years has been the growing consensus for a personality model encompassing five broad dimensions, namely Neuroticism (N), Extraversion (E), Openness to Experience (O), Agreeableness (A), and Conscientiousness (C). These broad factors subsume most personality traits and are known as the Big Five or Five-Factor Mod...

OBJECTIVES Provide recommendations for researchers on the use of the Big Five personality battery in the National Social Life, Health, and Aging Project (NSHAP), and ensure that the battery does proxy the Big Five. Also, describe the levels of Big Five traits across gender and age. METHOD We used an Exploratory Structural Equation Model (ESEM) to analyze NHSAP's personality battery, comparing...

Backgrounds Accelerated cellular ageing, which can be examined by telomere length (TL), may be an overarching mechanism underlying the association between personality and adverse health outcomes. This 6-year longitudinal study examined the relation between personality and leukocyte telomere length (LTL) across time among adults with a wide age-range. METHODS Data from the Netherlands Study of...

The Dark Triad of personality, comprising Machiavellianism, narcissism, and psychopathy, was investigated in relation to the Supernumerary Personality Inventory (SPI) traits, because both sets of variables are predominantly distinct from the Big Five model of personality. Correlational and principal factor analyses were conducted to assess the relations between the Dark Triad and SPI traits. Mu...

The vital role individual differences, such as personality variation, play has long been discussed as the origin of different learning abilities. Accordingly, a cross-sectional survey and a descriptive study was conducted. Data was gathered from a sample of 150 students of both genders (107 females and 43 males) with an age range of 19-22. The translated and validated versions of the Big Five p...

Researchers often use exploratory factor analysis (EFA) to develop and refine questionnaires assessing the Big Five personality traits. We use sequential sampling and bootstrapping to determine the number of participants needed to yield stable loading patterns for the Big Five Inventory (BFI) and the International Personality Item Pool Big Five measure (IPIP). Overall 21,350 participants (BFI =...

Recent investigations indicate that personality traits are unevenly distributed geographically, with some traits being more prevalent in certain places than in others. The geographical distributions of personality traits are associated with a range of important political, economic, social, and health outcomes. The majority of research on this subject has focused on the geographical distribution...

The essential targets of dry eye disease (DED) treatments include both objective signs and subjective symptoms. However, due to the numerous subjective symptoms, it is understandable why little association has been found between the signs and symptoms. Although psychological influences on the subjective symptoms have been reported, little is known about the influence of personality traits. The ...

This study aimed to investigate the Impact of Big Five personality traits of subordinates in their assessment of the Leadership Style Followed by their managers in the public and private universities in Damascus. The sample consisted of 400 workers at the universities' administrative system and two scales were used in this study; (Costa & McCrae, 1997) scale to measure the personality traits of...

A life span health-behavior model was investigated in this longitudinal study of personality influences on health. Teachers assessed 963 elementary schoolchildren on traits that formed scales assessing the dimensions of the five-factor (Big Five) model of personality. Smoking, alcohol use, body mass index (BMI), and self-rated health were assessed 40 years later in midlife. Childhood personalit...