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A fundamental aspect of Hans Eysenck's research was his emphasis upon using all the tools available to the researcher to study personality. This included correlational, experimental, physiological, and genetic approaches. Fifty years after Cronbach's call for the reunification of the two disciplines of psychology ( Cronbach, 1957 ) and 40 years after Eysenck's plea for experimental approaches to personality research ( H. J. Eysenck, 1966 ), what is the status of the unification? Should personality researchers use experimental techniques? Do experimental techniques allow us to tease out causality, and are we communicating the advantages of combining experimental with multivariate correlational techniques? We review the progress made since Cronbach's and Eysenck's original papers and suggest that although it is still uncommon to find experimental studies of personality, psychology would benefit from the joint use of correlational and experimental approaches. [ABSTRACT FROM AUTHOR]

Though unlikely virtues scales have a long history in personality, clinical, and applied psychology for detecting socially desirable responding, using such social desirability (SD) scales has generally failed to improve the validity of personality measures. We examined whether this is because (a) response distortion itself has minimal impact on personality's validity, (b) SD scales are ineffective at assessing response distortion, or (c) SD scales are conflated with substantive trait variance. We compiled a meta-analytic multitrait multimethod matrix consisting of multirater personality traits, SD scales, and performance outcomes. We examined the influence of trait factors and self-report method factors on SD scales and performance. We found that self-report method variance (a) was negatively related to performance, (b) would suppress personality-performance relationships for self-report measures, and (c) was (partially) assessed by SD scales. However, relative to the effects of self-report method variance, SD scales are even more strongly influenced by Conscientiousness, Emotional Stability, and Agreeableness. It is not the case that SD scales are insensitive to inflated responding but that their susceptibility to personality trait variance likely outweighs their benefits. We discuss the implications of these results for using SD scales in research and practice. [ABSTRACT FROM AUTHOR]

Individuals higher in narcissism have leader emergent tendencies. The characteristics of their personality suggest, however, that their leadership qualities will decrease over time as a function of group acquaintance. We present data from two studies that provide the first empirical support for this theoretical position within a transformational leadership framework. In Study 1 (N = 112), we tested narcissistic leadership qualities in groups of unacquainted individuals over a 12-week period. In Study 2 (N = 152), we adopted the same protocol with groups of acquainted individuals. In Study 1, narcissism was positively associated with peer-rated leadership during initial group formation but not later. In Study 2, narcissism was not significantly associated with peer-rated leadership during initial group formation and was negatively associated with peer-rated leadership later. In Study 1, transformational leadership mediated the relationship between narcissism and leadership initially but not later on. In Study 2, transformational leadership failed to mediate the relationship between narcissism and leadership throughout the study. Despite enjoying a honeymoon period of leadership, the appeal and attractiveness of the narcissistic leader rapidly wane. This decline is explained in part by their changing transformational leadership qualities. [ABSTRACT FROM AUTHOR]

We studied the accuracy of personality impressions relying on textual information on important life domains. Specifically, how is accuracy moderated by the trait being judged, information being provided, judgeability of target persons, and perceptiveness of judges? A sample of 208 students was recruited in groups of four mutual acquaintances who described themselves and each other on a measure of the Five-Factor Model of personality. Moreover, they wrote essays on their hobbies, friends, family, academic studies, and plans for the future and provided self-reports on possible predictors of expressive accuracy. The essays were delivered to 130 strangers who reported their impressions of the personality of the targets and provided self-reports on possible predictors of perceptive accuracy. Accuracy was measured by correlating these impressions with the descriptions of the targets by their acquaintances. The judges used the available information efficiently. Overall, impressions of Openness to Experience were most accurate, but accuracy depended on the information being provided. Several predictors of expressive and perceptive accuracy were identified using Biesanz's (2010) social accuracy model. The results advance our understanding of factors contributing to and moderating the accuracy of personality impressions based on textual information. [ABSTRACT FROM AUTHOR]

Although one extreme is more desirable than the opposite extreme on most trait dimensions, neither extreme reflects the most favorable level of the trait. Rather, extreme trait levels are usually considered to be less than optimal. Using a round-robin design, 76 groups of 4 persons each described themselves and each other on 30 trait dimensions and indicated the optimal level on each dimension. Moreover, personality inventories and measures of socially desirable responding were administered to the participants for self- and peer descriptions. Associations between trait level and trait level desirability comprised linear as well as curvilinear components. Participants preferred the optimal level in describing themselves, but trait levels beyond the optimal level in describing peers. A new measure of self-enhancement bias is suggested. [ABSTRACT FROM AUTHOR]

We describe our ongoing program of research related to the assessment of contextualized personality, focusing on social roles and cultural cues as contextual factors. First, we present our research employing the traditional assessment approach, wherein participants are asked to rate explicitly their personality across several different roles. We argue that this hypothetical approach is potentially susceptible to the influence of stereotypes, social desirability, and demand characteristics. We therefore describe the development of three novel and subtle assessment procedures that are based on obtaining online self-representations that are activated while occupying a specific context. Finally, the strengths and limitations of all four approaches, as well as directions for future research in the study of contextualized personality, are discussed. [ABSTRACT FROM AUTHOR]

One of the world's richest collections of teacher descriptions of elementary-school children was obtained by John M. Digman from 1959 to 1967 in schools on two Hawaiian islands. In six phases of data collection, 88 teachers described 2,572 of their students, using one of five different sets of personality variables. The present report provides findings from new analyses of these important data, which have never before been analyzed in a comprehensive manner. When factors developed from carefully selected markers of the Big-Five factor structure were compared to those based on the total set of variables in each sample, the congruence between both types of factors was quite high. Attempts to extend the structure to 6 and 7 factors revealed no other broad factors beyond the Big Five in any of the 6 samples. These robust findings provide significant new evidence for the structure of teacher-based assessments of child personality attributes. [ABSTRACT FROM AUTHOR]

There is an extensive literature on the relationship between birth order and psychological traits, but no previous study has investigated the influence of ordinal position on personality development within adoptive siblings. Such a design is important because it effectively separates the effects of biological birth order and rearing order. Here we report data from two adoption cohorts in which subjects were biological first-borns reared in various ordinal positions. Data were analyzed with reference to Sulloway's (1996) evolutionarily based sibling rivalry theory of birth order effects. Between- and within-family analyses indicated that rearing order's influence on personality was very weak. The only clear difference was for conscientiousness, on which first-reared siblings scored higher. We draw possible implications for Sulloway's theory and speculate upon an alternative, prenatal biological process that may produce birth order differences. [ABSTRACT FROM AUTHOR]

The purpose of this special issue is to foster an examination of recent work on long-term stability and change in personality. Classic and recent research on long-term stability of personality is presented. Personal transitions are examined as an opportunity for studying continuity and change. Some recent metatheoretical and theoretical perspectives on stability and change are presented. Finally, several innovative methodological and statistical approaches to the study of stability and change are considered. [ABSTRACT FROM AUTHOR]

The article presents information on the elicitation of information and response biases of repressors, sensitizers and neutrals in behavior prediction. Repressor, sensitizer, and neutral judges predicted the responses of neutral targets on the Adjective Check List. Each judge was paired with a neutral target and interviewed him with the aim of getting to know him as well as possible. Hence, each judge elicited information on which to base his predictions. The groups did not differ with regard to content of information elicited or relevance of the information for criterion responses. Differences in predictions were noted which were consistent with expectations based upon the response biases of the judges. It was concluded that group differences in behavior prediction cannot be accounted for by differential elicitation of information in interpersonal interaction, but instead are determined by response biases. While groups differed in degree of activity in eliciting information from targets, the nature of the information did not differ with regard to interview content measures or judged relevance of the information for the predictive task. Hence, group differences in prediction cannot be accounted for by differential elicitation of information in interpersonal interaction within the limits of this study.