Publications by authors named "Paul Irwing"

The idea that matching personality expression with situational demands is adaptive is implicit in many accounts of personality. Numerous constructs and measures have been posited to address this or similar phenomena. Few have proven adequate.

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Recent findings have shown that both trait levels of personality and situational variability in its expression are of importance. So here, the Big Five personality traits of 77 professional and 125 amateur stand-up comedians were compared with two large matched samples ( > 100,000). The comedians were also observed while performing, which enabled a comparison of their stage personalities with situational requirements on 10 selected NEO-PIR facets.

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A growing body of empirical evidence now supports a negative association between dark traits in leaders and the psychological health of employees. To date, such investigations have mostly focused on psychopathy, nonspecific measures of psychological wellbeing, and have not considered the mechanisms through which these relationships might operate. In the current study (N = 508), we utilized other-ratings of personality (employees rated leaders' personality), psychometrically robust measures, and sophisticated modeling techniques, to examine whether the effects of leaders' levels of narcissism and psychopathy on employee depression are mediated by workplace bullying.

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Background: Sex differences in personality are believed to be comparatively small. However, research in this area has suffered from significant methodological limitations. We advance a set of guidelines for overcoming those limitations: (a) measure personality with a higher resolution than that afforded by the Big Five; (b) estimate sex differences on latent factors; and (c) assess global sex differences with multivariate effect sizes.

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We used structural equation modeling to test the hypothesis that a General Factor of Personality (GFP) occupies the apex of the hierarchy of personality disorders in three validation samples of the Dimensional Assessment of Personality Pathology - Basic Questionnaire (DAPP-BQ). In a general population sample (N = 942), we found a GFP explained 34% of the variance in four first-order factors and 33% of the variance in all 18 scales. In a twin sample (N = 1,346), a GFP explained 35% of the variance in four first-order factors and 34% of the variance in all 18 scales.

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Background: Recent research has suggested that intergroup contacts with out-group members can both reduce prejudice and is associated with attitude change.

Aim: This study extends prior work in Northern Ireland to examine parental and schooling effects on children's attitudes in a post-conflict environment.

Sample: A large-scale cross-sectional survey of secondary schoolchildren (N=1,732) and their parents (N=800) in Northern Ireland assessed the effects of in-school and out-of-school intergroup contacts on intergroup attitudes.

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In three studies, a General Factor of Personality (GFP) was found to occupy the apex of the hierarchical structure. In Study 1, a GFP emerged independent of method variance and accounted for 54% of the reliable variance in a multitrait-multimethod assessment of 391 Italian high school students that used self-, teacher-, and parent-ratings on the Big Five Questionnaire - Children. In Study 2, a GFP was found in the seven dimensions of Cloninger's Temperament and Character Inventory as well as the Big Five of the NEO PI-R, with the GFPtci correlating r = .

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Arising from: S. Blinkhorn Nature 438, 31-32 (2005); Blinkhorn replies. Steve Blinkhorncriticizes our study of samples of university students, in which we found that the average IQ of men is 4.

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A meta-analysis is presented of 22 studies of sex differences in university students of means and variances on the Progressive Matrices. The results disconfirm the frequent assertion that there is no sex difference in the mean but that males have greater variability. To the contrary, the results showed that males obtained a higher mean than females by between .

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This paper has the three objectives of attempting to replicate a previous study in which it was found that males have substantially greater general knowledge in most fields or domains than females, and of determining how far sex differences in general knowledge are a function of differences in either Gf (fluid intelligence), or experience. The results confirmed the previous study to the effect that males have higher means in a general knowledge factor of approximately.50 d (half a standard deviation).

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