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Association of Five-factor Model Personality Traits with Prefrontal Cortical Activation during Motor Inhibitory ControlRodrigo, Achala Hemantha 11 December 2013 (has links)
The ability to control one’s behaviour is a fundamental cognitive function subserved by the prefrontal cortex (PFC). Whereas the neural basis of inhibitory control is reasonably well-established, the possible influence of individual differences in personality on cortical activity associated with this ability remains largely unexplored. The present study obtained self-report ratings of Five-Factor Model personality traits from 42 healthy adults while hemodynamic oxygenation in the PFC was recorded during a Go/No-Go task. Results indicated that Neuroticism, Agreeableness and Openness to Experience were associated with attenuated activity in the lateral PFC, a region critical for emotion regulation and behavioural control, whereas Extraversion and Conscientiousness were associated with greater activation in these regions. Activity within the medial PFC, an area linked to task engagement and self-monitoring, shared a positive association with Agreeableness. These findings provide important insights into how neural systems supporting inhibitory control may be affected by individual differences in personality.
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Personality and Personality Disorder in Adults with Intellectual DisabilitiesBoyd, Sara E. 01 January 2013 (has links)
Very little research has examined the role of personality in important life outcomes and support needs of adults with intellectual disabilities. This exploratory study includes a sample of 102 community-dwelling adults with intellectual and developmental disabilities, and begins to evaluate the relative contributions of general personality and personality disorder as it they concern their adaptive functioning, Axis I psychopathology symptoms, and residential and vocational supports.
Observer ratings of personality disorder and Five Factor Model and Reiss Profile general personality functioning were obtained from direct service providers who knew the participants well, and archival file data (e.g., IQ, adaptive functioning scores, medications prescribed, and diagnoses) were collected after informed consent and assent were obtained from the participants. The results suggest that both personality and personality disorder, relate the intensity of supports required, the number of psychiatric medications prescribed, maladaptive behavior, and the amount of Axis I psychopathology exhibited by the participants. Results of the study are discussed with reference to implications for service delivery and planning and future research.
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A FIVE-FACTOR MEASURE OF SCHIZOTYPAL PERSONALITY DISORDEREdmundson, Maryanne 01 January 2010 (has links)
The current study provides convergent, discriminant, and incremental validity data for a measure of schizotypia from the perspective of the Five-Factor Model (FFM) of general personality structure. Nine schizotypia facet scales were constructed as maladaptive variants of respective facets of the FFM (e.g., Aberrant Ideas as a maladaptive variant of FFM Openness to Ideas). On the basis of data from 143 undergraduates the convergent validity of these nine facet scales was tested with respect to 11 established measures of schizotypia and the respective facets of the FFM. Discriminant validity was tested with respect to other personality disorders and facets from other FFM domains. Incremental validity was tested with respect to the ability of the FFM schizotypia facet scales to account for variance in two established measures of schizotypia, after variance accounted for by respective FFM facets and other established measures of schizotypia were first removed. The findings support the validity of these new facet scales as measures of schizotypia and as maladaptive variants of the FFM.
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The DSM-5 Dimensional Trait Model and the Five Factor ModelGore, Whitney L 01 January 2013 (has links)
The current thesis tests empirically the relationship of the dimensional trait model proposed for the fifth edition of the American Psychiatric Association’s (APA) Diagnostic and Statistical Manual of Mental Disorders with five-factor models (FFM) of personality disorder (PD). The DSM-5 Personality and Personality Disorders Work Group proposes to diagnose the disorders largely in terms of a 25 trait dimensional model organized within five broad domains (i.e., negative affectivity, detachment, antagonism, disinhibition, and psychoticism). Consistent with the authors of DSM-5, it was predicted that negative affectivity would align with FFM neuroticism, detachment with FFM introversion, antagonism with FFM antagonism, disinhibition with low FFM conscientiousness and, contrary to the authors of DSM-5, psychoticism would align with FFM openness. Suggested changes in trait placements according to FFM of PD research were also tested. Four measures of five factor models of general personality were administered to 445 undergraduates along with the Personality Inventory for DSM-5. The results of the present study provided support for the hypothesis that all five domains of the DSM-5 dimensional trait model are maladaptive variants of general personality structure, including the domain of psychoticism; however, the findings provided mixed support for suggested trait placement changes in the DSM-5 model.
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The FFOCI, and Other Measures and Models of OCPDPinsker, Cristina M 01 January 2014 (has links)
The Five Factor Obsessive Compulsive Inventory (FFOCI) was developed in part to facilitate a shift from the categorical classification of personality disorder to a dimensional model; more specifically, the five-factor model. Questions though have been raised as to whether obsessive-compulsive personality disorder can be understood as a maladaptive variant of FFM conscientiousness. The purpose of the present study was to provide a further validation of the FFOCI, as well as to compare and contrast alternative measures and models of OCPD. A total of 380 participants, including 146 oversampled for OCPD traits, were recruited from introductory psychology courses at the University of Kentucky. Administered were the FFOCI, measures of general personality (e.g.,, International Item Pool, 5-Dimensional Personality Test), trait scales associated with OCPD (e.g.,, workaholism, compulsivity, propriety), and alternative measures of obsessive compulsive personality disorder. All measures were administered via SurveyMonkey, a secure online survey service. Results supported the validity of the FFOCI, but also demonstrated substantive differences among the alternative measures of OCPD, particularly with respect to their relationship with FFM conscientiousness, antagonism, and introversion.
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Sales performance : A study of the correlation between personality traits and sales performance in the Swedish car dealership market.Andersson, Johan, Carlson, Adam, Monié, Robert January 2015 (has links)
Background: When a company is employing new salespeople, much is expected from these. The company is hoping that the new candidate is going to perform well and contribute to the fullest. One of the big questions that the organization has to face is how to evaluate and sift through sales candidates in order to find the best suited one. Previous studies have shown to some extent that a person's personality can be connected to how well they are performing in different occupations. One commonly used framework for assessing personality is the Five Factor Model (FFM) which is able to account for different traits without overlapping. One way to assess a person's personality traits is by the use of the big five inventory questionnaire (BFI). Purpose: To describe if there is a correlation between personality traits and sales performance in the Swedish car dealership market.Method: The research was a quantitative study of two Swedish car dealerships, where 60 out of 72 employees at Hedin Bil & Holmgrens Bil answered the BFI questionnaire. The response rate was 83%. The survey was sent out by mail to the two companies whose responsible managers divided their sales staff in three different groups (good performing, average performing and bad performing) according to the company's organizational goals.Conclusion: The conclusion of this study is that one of the hypotheses was supported and four rejected by the salespeople participating. The only hypothesis that was supported was that Neuroticism would correlate negatively with sales performance.
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Attachment and the Development of Personality and Social FunctioningFransson, Mari January 2014 (has links)
According to attachment theory, the establishment of an attachment bond to a caregiver not only provides the infant with protection from danger, but also many other resources presumably beneficial to the child’s general psychological development. Although there is substantial empirical support for a link between attachment security and social functioning in childhood and adolescence, less is known about whether childhood attachment contributes to social functioning beyond adolescence. Similarly, attachment has been found predictive of broad aspects of a person’s functioning, but few attempts have been made to link attachment to the currently dominating perspective on personality, the Five Factor Model (FFM). Results in Study I partially supported our expectations, by showing prospective links from middle childhood security to various aspects of social functioning in young adulthood. Further, security contributed to developmental change in social functioning from middle childhood to young adulthood. In Study II, middle childhood security was found to predict some of the FFM personality traits (primarily extraversion and openness) concurrently and prospectively, partially supporting our expectations. The third aim of this thesis was to address whether attachment disorganization, which has usually been found predictive of maladaptive phenomena, may predict also other, non-pathological outcomes. In Study II, we found that higher levels of disorganization in young adulthood were concurrently associated with more openness and lower conscientiousness. Furthermore, in Study III disorganization was shown to be concurrently associated with more New Age spirituality and more absorption in adulthood. In addition, absorption was, in accordance with our expectations, found to statistically mediate the link between disorganization and New Age spirituality. Hence, these findings supported our assumption that disorganization might be expressed in other life domains besides specifically maladaptive ones. Taken together, we suggest that attachment spreads its influence to a broad set of life domains through its continuous influence on general psychological components such as cognitive representations and self-regulation abilities. However, the modest strength of our results indicates that attachment is only one among several factors involved in the development of social functioning, personality traits, and spirituality.
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The relationship between the big five personality dimensions and job satisfaction in a petro-chemical organisation / T.J. SoniSoni, Tejal Jushwantrai January 2003 (has links)
There is relatively little research based on the Big Five personality dimensions and job
satisfaction and the relationship thereof. Job satisfaction of employees is a good indication of
organisational effectiveness and is influenced by organisational and dispositional factors. The
fundamental nature of the dispositional approach is that individuals have stable traits that
significantly influence their affective and behavioural reactions to organisational settings. Job
satisfaction can be considered a general feeling of well-being experienced by any employee
about the work he or she does or as a related collection of attitudes about various aspects of
the job. Employees, who perform at higher levels, will most likely make a greater
contribution in the organisation. These individual's are more likely to achieve greater status;
thus the importance of having satisfied employees in any organisation. The general objective
of this study was to determine the relationship between personality dimensions and job
satisfaction of engineers in a petro-chemical organisation.
A cross-sectional survey design was used in the empirical study. The sample consisted of 89
junior to middle level engineers within a petro-chemical organisation. The Minnesota Job
Satisfaction Questionnaire (MSQ) and the Personality Characteristics Inventory (PCI) were
administered. Descriptive statistics were used to analyse the data. Cronbach alpha
coefficients, inter-item correlation coefficients and confirmatory factor analysis were used to
assess the reliability and validity of the measuring instruments. Pearson and Spearman
correlation coefficients were used to specify the relationships between the variables. Multiple
regression analysis was used to determine which personality dimensions were the best
predictors of job satisfaction.
The current research found that employees who are more stable and introverted tend to be
more satisfied with achievement, independence as well as human and technical supervision at
the work place. It was also established that extraverted and sociable individuals in the
organization are less satisfied with human supervision.
The findings of this research showed that some personality dimensions are related to aspects
of job satisfaction However, overall personality dimensions explained relatively small
percentages in the variance of job satisfaction. Because of this, the situational frame of
reference, which is most common at present within the workplace, as well as the frame of
reference that most supports this research, job satisfaction/dissatisfaction, is alleged to result
from the nature of the job or h m the conditions at work. This basically epitomizes the
effects of situational forces on workers' job attitudes. The results showed that subscales
predicted job satisfaction to a greater extent than personality dimensions.
Recommendations for future research were made. / Thesis (M.A. (Industrial Psychology))--North-West University, Potchefstroom Campus, 2004.
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A Study of the Effects of Dairy Farmers' Personalities on Their Risk Attitudes, Decision Making Processes and Risk ManagementMarchant, David Durack Unknown Date (has links)
Abstract The aim of this study was to understand the relationships among the personality traits, risk attitudes, risk management practices, and decision making processes of dairy farmers in SE Queensland. Risk management and decision making processes are two of many components of managerial ability. The hypothesis was proposed that dairy farmers personalities influence their risk attitudes, decision making processes, and risk management abilities. Case studies of 46 dairy farmers in SE Queensland involving the completion of personality inventories (NEO-PI-R) based on the Five-Factor Model of personality; questionnaires and informal interviews were used to test the hypotheses. The thesis contains three parts. The first part, Chapter 1, is the introduction to the thesis. The second part of the thesis, Chapter 2 through Chapter 6, consists of an extensive review of the literature on the major topics pertinent to the project. In Chapter 2, a definition of competence in the context of this study is given, and an explanation of the evidence for a connection between personality and competence and thus job performance is detailed. In Chapter 3, the literature on personality is reviewed with particular emphasis on trait theory and the development of the Five-Factor Model of personality (FFM). In Chapter 4, the literature review on personality assessment using testing instruments designed for use in the context of the FFM is presented, and the rationale for the personality test instrument is expounded. It is the task of the manager to manage risk, so that considering risk attitude when making decisions is also an integral part of the study of the role of managers. Chapter 5 reviews the contemporary literature on risk and risk management with an emphasis on the application of risk management principles to dairy farms. In Chapter 6, the literature on decision theory is reviewed. Decision-making and risk management are intertwined. The behaviour resulting from the process of making a decision reflects the personality and risk attitude of the decision-maker. In this chapter, the distinction is made between formal and informal models of decision making, and examples are given. The third part of the project comprises Chapters 7 through Chapter 11. Chapter 7 outlines the research approach used case studies - and paves the way for the following two chapters, which present a qualitative and a quantitative analysis of the data from the case studies. Chapter 8 presents part 1 of the investigation - the qualitative analysis of the case studies. This chapter introduces and explains the terminology used in the questionnaire and examines the trends and feeling in the farmers answers. Chapter 9 presents part 2 of the analysis quantitative results of the personality assessments and interviews from the case studies with SE Queensland dairy farmers which were conducted to assess their risk management and decision making abilities. Chapter 10 provides a summary of the research findings, and then discusses the results with respect to the diverse responses of farmers to common external pressures. The chapter discusses the relevance of personality to the formation of management strategy and concludes with a short introduction to systems thinking as a way of thinking about the complex systems inherent in dairy farming. Chapter 11 reviews the subjects covered in the thesis and draws conclusions from the research. It outlines implications for policy makers and managers and proposes directions for further research in this area of investigation. Key Words: Five-Factor Model of Personality, risk, decision making processes, dairy farmers, management
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Construção, normatização e validação das escalas de socialização e extroversão no modelo dos cinco grandes fatoresNunes, Carlos Henrique Sancineto da Silva January 2005 (has links)
Esse projeto visou a construção, validação e normatização de escalas para a avaliação dos Fatores Extroversão e Socialização no modelo dos Cinco Grandes Fatores de Personalidade. A partir deste Modelo, Socialização é uma dimensão da personalidade que agrupa traços como altruísmo, franqueza, confiança nas pessoas, bem como frieza, falta de empatia, comportamentos antisociais, etc. Extroversão engloba traços que descrevem nível de comunicação, assertividade, gregariedade, busca por diversão, etc. A validade de construto da Escala Fatorial de Socialização (EFS) e Escala Fatorial de Extroversão (EFE) foi realizada a partir de amostras independentes compostas por aproximadamente 1.100 pessoas de cinco estados brasileiros, de ambos os sexos, com nível de escolarização médio ou superior. Foram realizadas análises fatoriais para a verificação da dimensionalidade da EFS, sendo que a solução de três fatores foi considerada a mais adequada. Os fatores extraídos foram denominados Amabilidade, Pró-sociabilidade e Confiança nas pessoas, com Alpha’s de 0,91; 0,84 e 0,80 respectivamente. A escala geral apresentou uma consistência interna de 0,92. Foram realizadas análises fatoriais para a verificação da dimensionalidade da EFE, sendo que a solução de quatro fatores foi considerada a mais adequada. Os fatores extraídos foram denominados Comunicação, Altivez, Assertividade, Interação Social, com Alpha’s de 0,90; 0,78; 0,78 e 0,83 respectivamente. A escala geral apresentou uma consistência interna de 0,91. / The present project aimed the development, validation and standardization of scales to measure Extraversion and Agreeableness in the Five Factor Model of Personality. In this model, Agreeableness is comprised by traits that describe altruism, straightforwardness, trust in people, as well as coldness, antisocial behavior, among others. Extraversion includes traits that describe level of communication, assertivity, gregariousness, search for pleasure, among others. The participants in the construct validity study of the Agreeableness Factorial Scale (EFS) and Extraversion Factorial Scale (EFE) were approximately 1.100 individuals, from five States in Brazil, of both sexes, with high school or university level of education. Factor analyses were conducted to determine the EFS dimensions. A 3-factor solution was found to be more adequate. The factors found were named: Amiableness, Pro-social behavior, and Trust. Cronbach’s alphas were .91, .84, and .80 respectively. The general scale presented an internal consistency level of .92. Factor analyses were also conducted to verify the EFE dimensions. A 4-factor solution was found to be more adequate. The factors found were named: Communication, Pride, Assertiveness, and Social Interaction. Cronbach’s alphas were .90, .78, .78, and .83 respectively. The general scale presented internal consistency level of .91.
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