The purpose of this study was to examine the relationship between broad and narrow personality traits and life satisfaction for college-aged and adult populations. Hypotheses were several-fold: first, that personality measures would be predictive of life satisfaction; second, that there would be differences in the correlations of Big Five personality traits and life satisfaction for both age groups; and third, that there would be differences between both age groups in the amount of variance in life satisfaction accounted for by three narrow personality traits, i.e., Optimism, Tough-Mindedness, and Work Drive. Archival data were used to compare an undergraduate sample at a Southeastern U.S. university (n=4844), and an adult sample from a database representing working adults (n=7633). Correlation and multiple regression analyses were used for each age group in examining the validity of Big Five and narrow traits and life satisfaction. A Fischer’s z score was used to determine significant differences in the correlations by age. The Big Five and narrow traits were found to be predictive of life satisfaction for both groups, with Emotional Stability and Optimism showing the highest correlation for both age groups. There were significant differences in correlations between the age groups on measures of Extraversion (z=4.64, p<.001), Agreeableness (z=1.92, p=.05), Conscientiousness (z=8.18, p<.001), Openness (z=2.44, p=.01), Work Drive (z=12.82, p<.001), and Tough-Mindedness (z=-2.87, p<.005). Results were discussed in terms of comparing the predictive validity of personality traits and life satisfaction between the two age groups. Study limitations and directions for future research were noted.

As the structure of society has changed, there has been a gradual increase in non-profit organizations. People no longer work to only satisfy biological needs, but have started pursuing higher levels of self-actualization by participating in various volunteer activities. This research aimed to investigate the relationships among the big five personality traits, participation motivation, and involvement of the Pingtung County Ligang Squadron Volunteer Firefighters. The main purposes of this study were: (1) To explore the relation of demographic features to the big five personality traits of volunteer firefighters; (2) To explore the relation of the big five personality traits to participation motivation of volunteer firefighters; and (3) To explore whether participation motivation would be associated with involvement. We distributed 185 questionnaires via purposive sampling and received 145 valid questionnaires. The response rate was 80.5%. Reliability, descriptive statistics, independent sample t-test, one-way ANOVA, and regression analysis were employed for data analysis. The results showed that volunteer firefighters' personality traits were correlated with age, education level, and occupation. Among the big five personality traits, conscientiousness and emotional stability were significantly associated with participation motivation. Volunteer firefighters with the firefighting or nursing profession showed greater willingness for continued participation. Implications, limitations, and future directions are discussed.

Personality plays an important role in various aspects of our daily life. It is being used in many application scenarios such as i) personalized marketing and advertisement of commercial products, ii) designing personalized ambient environments, iii) personalized avatars in virtual world, and iv) by psychologists to treat various mental and personality disorders. Traditional methods of personality assessment require a long questionnaire to be completed, which is time consuming. On the other hand, several works have been published that seek to acquire various personality traits by analyzing Internet usage statistics. Researchers have used Facebook, Twitter, YouTube, and various other websites to collect usage statistics. However, we are still far from a successful outcome. This thesis uses a range of divergent features of Facebook and LinkedIn social networks, both separately and collectively, in order to achieve better results. In this work, the big five personality trait model is used to analyze the five traits: openness to experience, conscientiousness, extroversion, agreeableness, and neuroticism. The experimental results show that the accuracy of personality detection improves with the use of complementary features of multiple social networks (Facebook and LinkedIn, in our case) for openness, conscientiousness, agreeableness, and neuroticism. However, for extroversion we found that the use of only LinkedIn features provides better results than the use of only Facebook features or both Facebook and LinkedIn features.

Tidigare forskning menar att det äldsta syskonet anses vara mer auktoritärt, det mellersta barnet minst familjeorienterat och det yngsta barnet mer socialt. Uppväxten kan påverka individens KASAM. Studien undersöker om syskonplacering samverkar med människors KASAM, personlighet utifrån femfaktormodellen samt ser till eventuella könsskillnader. Urvalet bestod av högskolestudenter, varav 145 kvinnor och 80 män. Enkätens material analyserades med tvåvägs variansanalyser. Studien uppvisade ingen signifikant skillnad mellan de tre syskonplaceringarna. En tendens till signifikant interaktion visades mellan könen, där kvinnliga mellanbarn har lägre KASAM än de manliga. Studien visade två signifikanta könsskillnader mellan kvinnor och män. Kvinnorna var mer neurotiska och samvetsgranna än männen. Resultatet uppvisade en tendens till signifikans, gällande att kvinnor hade högre grad av personlighetfaktorn öppenhet än männen. Slutligen konstaterades att syskonplaceringen inte samverkar med individens personlighet eller KASAM, men att det finns vissa personlighetsskillnader mellan könen. Resultatet kan bero på brister i studien, som att familjekonstellation inte tillfrågades deltagarna.

The present study investigates whether employees¡¦ personality traits and job characteristics influence their job involvement in M company. Using 163 samples, we found that the interaction of employees¡¦ personality traits and job characteristics, influence their job involvement. In addition, employees¡¦ personality traits and job characteristics have no significant influence on job involvement. The factors that affect the job involvement not only the two can separate cover. Enterprises should pay attention to employees¡¦ personality traits and job characteristics fit, making the employees in their suitable job. Employees have a high degree of job involvement will bring more benefits for organization.

¡@¡@The related researches on voluntary services in Taiwan, instead of focusing on psychological extent, such as personality traits, have mainly been centered on its external fields, including volunteer recruitment, training and management. In terms of the research on personality traits, people usually take the paid staff, such as police officers, medical staff, teachers and leaders as the subject. However, unpaid volunteer is not often to be seen in such study based on the big five personality traits or five factor model (FFM). By questionnaires, the basic statuses of volunteers in Kaohsiung Hakka Cultural Museum have been analyzed in this research, as well as the impact of FFM on the motivations of volunteers. The findings are: ¡@¡@A. Most of the volunteers in Hakka Cultural Museum are usually retired with the average age around 50 years old. The status of them is usually married, having 2 or 3 children. The education level is either college, senior high or vocational high school. Their years of services are more than 5 years, and they would provide voluntary services continuously. ¡@¡@B. In the perspective of personality traits, the volunteers in Hakka Cultural Museum are often full of energy (extraversion), with the preference for adventure and discussing popular issues (openness to experience), with the tendency to be cooperative rather then antagonistic (agreeableness), responsible (conscientiousness) and seldom to experience helplessness (emotional stability). ¡@¡@C. The volunteers who provide services with the motivations for self-fulfillment, willingness of learning and interest have the tendencies of extraversion, agreeableness and conscientiousness. As for the volunteers who provide service due to the introduction of family or friend, or with the motivation for killing time, they have the characteristics of openness to experience. Finally, the volunteers with the motivations for material things have the tendency of neuroticism.

Due to the growth of online shopping and services, various types of products can be recommended to an individual. After reviewing the current methods for cross-domain recommendations, we believe that there is a need to make different types of recommendations by relying on a common base, and that it is better to depend on a target customer’s information when building the base, because the customer is the one common element in all the purchases. Therefore, we suggest a recommender system (RS) that develops a personality profile for each product, and represents items by an aggregated vector of personality features of the people who have liked the items. We investigate two ways to build personality profiles for items (IPPs). The first way is called average-based IPPs, which represents each item with five attributes that reflect the average Big Five Personality values of the users who like it. The second way is named proportion-based IPPs, which consists of 15 attributes that aggregate the number of fans who have high, average and low Big Five values. The system functions like an item-based collaborative filtering recommender; that is, it recommends items similar to those the user liked. Our system demonstrates the highest recommendation quality in providing cross-domain recommendations, compared to traditional item-based collaborative filtering systems and content-based recommenders.

Cognitive adaptability has been conceptualised as the ability to effectively and appropriately change decision policies (i.e. to learn) given feedback (inputs) from the environmental context in which cognitive processing is embedded. Based on a large sample of 2650 established entrepreneurs in South Africa, this study attempts to determine how entrepreneurs cognitively adapt to unpredictable entrepreneurial environments. Multidimensional constructs representing cognitive adaptability and the Big Five personality traits were operationalised and empirically investigated. It was hypothesised that the Big Five personality trait dimensions of openness to experience, conscientiousness, extraversion and agreeableness are positively related to the cognitive adaptability dimensions of goal orientation, metacognitive knowledge, metacognitive experience, and metacognitive choice and monitoring. Neuroticism was hypthesised to be negatively related to the cognitive adaptability dimensions of goal orientation, metacognitive knowledge, metacognitive experience, metacognitive choice and monitoring. Hypotheses were tested using structured equation modelling and correlational and regression analysis. Results provide support for subcomponents of the Big Five personality traits. Intellectual interest (openness to experience), goal striving (conscientiousness), activity (extraversion), prosocial orientation (agreeableness) were found to be positively related to cognitive adaptability. They were found to be negatively related to prior metacognitive knowledge. Self-reproach (neuroticism) was found to be negatively related to cognitive adaptability. It was found to be positively related to prior metacognitive knowledge. This research builds on and extends existing literature on cognitive adaptability in an entrepreneurial context by bringing together two streams of literature from psychology metacognition and personality traits. The implications of the process for dynamic, adaptable thinking are important in an emerging context such as that found in South Africa. The results of this study will inform the practice of policy makers who are trying to encourage start-up entrepreneurs to think about thinking in unpredictable entrepreneurial environments. In terms of methodology, the use of a sample of established entrepreneurs is desirable for this type of research since metacognition is better studied in entrepreneurs who are involved in a series of activities. / Thesis (PhD)--University of Pretoria, 2016. / Business Management / PhD / Unrestricted

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Management control research has often focused on finding the right fit between management control systems and the unique situational context of organizations, but few studies have examined the role of individual personality traits. Therefore, the purpose of this study was to provide a better understanding about the relationship between the Big Five personality traits, management control systems and organizational commitment. We addressed the research gap regarding how the interaction between the Big Five personality traits and management control systems may affect organizational commitment. To answer the research questions, data was collected using a web survey, which was analyzed in statistical software. In total, 103 responses from managers across 30 Swedish companies, were obtained. Our findings indicate that the interaction of the personality trait conscientiousness and results control, and the interaction of the personality trait agreeableness, and cultural control may affect organizational commitment. Based on these findings, theoretical and practical implications are discussed.