Most research on narcissism has been conducted using the narcissistic personality inventory (NPI). However, the generalizability of findings from the NPI to narcissistic personality disorder (NPD) is unknown. The current study uses two samples (48 clinical outpatients; 49 undergraduates) to address this question by examining the correlations between the NPI and interview ratings of NPD. The pro...

Number of studies have investigated the relationship between personality and web use behaviors on Social Network Sites (SNS), and the measurement of web use behaviors relies on self-report technique. In this study, the authors investigated the correlation between self-report and web-log measures of web use behaviors, and further examined which one would be better to predict user's personality. ...

The UBC Twin Project is an on-going study of personality and personality disorder that has collected personality data on approximately 1000 adult volunteer twin pairs. The primary purpose of the study is to develop and validate measures of the major forms of personality disorder as a quantitative alternative to the classificatory system first proposed by the DSM-III using the standard methods o...

Scales that measure the Big Five personality factors are often substantially intercorrelated. These correlations are sometimes interpreted as implying the existence of two higher order factors of personality. The authors show that correlations between measures of broad personality factors do not necessarily imply the existence of higher order factors and might instead be due to variables that r...

Malfeasant behaviors on tests may takeone of two forms—cheating or response distortion. Cheating is associated with ability and knowledge tests, and response distortion is associated with noncognitive/personality measures. Pursuant to the cheating and response distortion-related questions posed by Tippins (2009), the objective of the present article is to present a summary of the pertinent resu...

Extreme response style (ERS) refers to the tendency to overuse the endpoints of Likert-type scales. This study examined the extent to which ERS is accounted for by measures of personality, specifically, intolerance of ambiguity, simplistic thinking, and decisiveness. One hundred and sixteen pairs of undergraduate students and one of their respective peers completed a battery of questionnaires a...

In 2 studies, we examined the reliability and validity of an interpersonal measure of schizoid personality disorder (SZPD) based on nonverbal behaviors and interpersonal interactions occurring during interviews. A total of 556 male jail inmates in the United States participated in Study 1; 175 mentally disordered offenders in maximum security hospitals in the United Kingdom participated in Stud...

The current study was designed to identify personality subtypes on the basis of the five-factor model dimensions in male prisoners. Participants included 110 Flemish male prisoners assessed by means of the Neuroticism, Extraversion, Openness Five Factor Inventory and different symptom, personality, and coping measures. We found two clusters: an emotionally stable/resilient cluster and an aggres...

Real job applicants completed a 5-factor model personality measure as part of the job application process. They were rejected; 6 months later they (n = 5,266) reapplied for the same job and completed the same personality measure. Results indicated that 5.2% or fewer improved their scores on any scale on the 2nd occasion; moreover, scale scores were as likely to change in the negative direction ...

Few studies have examined the links between personality variables and sleep and their combined effect on specific real-world outcomes. Participants in this study completed numerous personality, sleep, and performance measures; we examined the associations among these measures. Personality was assessed using the Five-Factor Model. The personality trait of Conscientiousness (especially its facet ...