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Sungsik Ahn Sun Hwa Jung Sun Hee Jang Xin Du Bo Hyun Lee Eunjeong Rhee Norm Gysbers Sang Min Lee 《The Career development quarterly》2015,63(1):31-43
This study investigated how the 5 components of planned happenstance skills are related to adolescents' occupational identity statuses. A canonical correlation analysis was performed with a sample of 370 high school students in South Korea. The results indicated that higher identity statuses (i.e., achievement and moratorium statuses) were significantly related to the 5 components of planned happenstance skills, whereas lower identity statuses (i.e., foreclosure and diffusion statuses) were not significantly related to the 5 components of planned happenstance skills. In addition, the results of the mediation analysis indicated that the transition from moratorium to achievement status was positively mediated by 3 components of planned happenstance skills: optimism, persistence, and risk taking. 相似文献
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ABSTRACTThis article focuses on developing constructive conflict management in community-based collaborations for macro social workers. Using a conflict transformation perspective as a conceptual framework, we identified significant factors and their dynamic relationships in promoting constructive conflict in the context of 5 community-based collaborations in Korea. Hierarchical multiple regression analyses revealed that responsive coordination was a strong predictor of increased perceptions of constructive conflict. Further, a multiple mediator model indicated that open communication was indirectly associated with perceived constructive conflict by enhancing both equal decision-making and responsive coordination. We conclude by highlighting practical implications of our study. 相似文献
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We examine the theoretical as well as quantitative interrelations between endogenous business cycles, increasing returns to product variety and sector‐specific productive externalities within a two‐sector real business cycle model. In a calibrated version of our benchmark closed‐economy setting, the threshold level of investment externalities needed for equilibrium indeterminacy is found to be monotonically increasing in the degree of market competitiveness. We also study the model's local stability properties (i) when the parameters that govern the level of intermediate‐good producers' market power and the strength of variety effects are disentangled; and (ii) in the context of a small open economy. (JEL E30, E32, O41) 相似文献
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Sequential estimation of parameters In a continuous time Markov branching process with Immigration with split rate λ1 Immigration rate λ2, offspring distribution {p1j≥O) and Immigration distribution {p2j≥l} is considered. A sequential version of the Cramér-Rao type information inequality is derived which gives a lower bound on the variances of unbiased estimators for any function of these parameters. Attaining the lower bounds depends on whether the sampling plan or stopping rule S, the estimator f, and the parametric function g = E(f) are efficient. All efficient triples (S,f,g) are characterized; It Is shown that for i = 1,2, only linear combinations of λipij j's or their ratios are efficiently estimable. Applications to a Yule process, a linear birth and death process with immigration and an M/M/∞ queue are also considered 相似文献
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In this paper, we consider the maximum likelihood and Bayes estimation of the scale parameter of the half-logistic distribution based on a multiply type II censored sample. However, the maximum likelihood estimator(MLE) and Bayes estimator do not exist in an explicit form for the scale parameter. We consider a simple method of deriving an explicit estimator by approximating the likelihood function and discuss the asymptotic variances of MLE and approximate MLE. Also, an approximation based on the Laplace approximation (Tierney & Kadane, 1986) is used to obtain the Bayes estimator. In order to compare the MLE, approximate MLE and Bayes estimates of the scale parameter, Monte Carlo simulation is used. 相似文献
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A Moderated Mediation Model of Planned Happenstance Skills,Career Engagement,Career Decision Self‐Efficacy,and Career Decision Certainty 下载免费PDF全文
Boram Kim Sun Hee Jang Sun Hwa Jung Bo Hyun Lee Ana Puig Sang Min Lee 《The Career development quarterly》2014,62(1):56-69
This study examined how college students’ levels of planned happenstance skills influenced the relationships among career engagement, career decision self‐efficacy, and career decision certainty. Moderated mediation analysis was used with a sample of 217 Korean undergraduate students. The results indicated that career decision self‐efficacy mediated the relationship between career engagement and career decision certainty. Moreover, the positive indirect effect of career engagement on career decision through career decision self‐efficacy was strengthened as the level of planned happenstance skills increased. In conclusion, college students’ career engagement strengthens their career decision certainty via career decision self‐efficacy when they have enough planned happenstance skills to discover unexpected career opportunities. 相似文献
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Boram Kim Sun Hwa Jung Sun Hee Jang Bohyun Lee Eunjeong Rhee Soo Hyun Cho Sang Min Lee 《The Career development quarterly》2014,62(3):239-253
This study was conducted to develop and initially evaluate the psychometric properties of the Planned Happenstance Career Inventory (PHCI), which aims to assess skill in using chance events to develop career opportunities. After item generation and exploratory factor analysis, 130 original items were reduced to 25 items across 5 factors (5 items for each corresponding factor). Multigroup confirmatory factor analysis confirmed the validity of this 5‐factor structure, and the goodness of fit showed an adequate fit to the observed data for both women and men. Results showed that PHCI subscales correlated moderately and in expected directions with career preparation, career decision‐making self‐efficacy, and career stress. These findings suggest that the PHCI, which assesses 5 dimensions of career‐related planned happenstance skill, shows promise as a useful tool for facilitating understanding of the influence of chance events on career choice behavior. 相似文献
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ABSTRACTThe present study examined how internal health locus of control is associated with older adults’ self-rated health. Multivariate analyses with older participants (aged ≥ 60) in the MIDUS II (n = 1,533) showed that internal health locus of control was not only directly associated with positive ratings of health but also interacted with gender and race. The positive impact of internal health locus of control on self-rated health was particularly greater in females and Whites than their counterparts. Findings highlight the important role of internal health locus of control in the psychological mechanism of health and call attention to group-specific strategies for health promotion. 相似文献