Technology Could Be Harmful Rather Than Beneficial: An Empirical Investigation of Caseworkers’ Perceptions Using a Knowledge Management Framework

ABSTRACT. The reasons for the ineffectiveness of some technology-mediated initiatives in human service organizations are not well understood. This study conceptualized a knowledge management system with the following features: a process orientation that focuses on how caseworkers integrate knowledge into decision making and a sociotechnical system perspective. A mediation research model was developed and was tested empirically using structural equation modeling with a sample of 4,554 caseworkers. Results supported the mediation effect of knowledge integration (KI) as an important factor in organizational effectiveness (OE). The technological domain had a small positive effect on KI and a direct negative effect on OE. The sociocultural and interorganizational domains appeared to be better predictors of KI and OE. Future recommendations include adopting a systematic approach in coordinating knowledge management practices based on a caseworker's KI ability.     

Efficient sequential estimation in multiplicative counting processes

The problem of efficient sequential estimation is counting processes with multiplicative intensity processes is considered. A sequential version of Cramér-Rao type information inequality is obtained and all the 'efficient' triples (S, f, g) are characterized: the variance of an unbiased estimator f for g attains the lower bound under a sampling plan S. Applications to Poisson processes, Markov processes, birth and death processes and Markov branching processes with immigration are also considered.     

Network centrality and performance of social enterprises: Government certified social enterprises in Seoul,South Korea

Social enterprises, which have been dramatically increasing all over the world for several decades, are facing the challenge of how best to develop strategies to improve performance and achieve sustainable growth. In South Korea, the government has supported active networking among social enterprises as a tactic for overcoming insufficient material and human resources. However, it is unclear whether active networking activities among social enterprises are associated with higher performance. In this study, a network survey of certified social enterprises (n = 78) in Seoul, South Korea was conducted. Multivariate regression models examined whether degree centrality, closeness centrality, and betweenness centrality were associated with the economic and social performance of social enterprises after controlling for organizational factors. The results revealed that a social enterprise with higher degree centrality in the network of regular meetings achieved higher social and economic performance.     

Mean functions based on meta-mixtures in nonhomogeneous Poisson processes

This paper deals with the software reliability model based on a nonhomogeneous Poisson process. We introduce new types of mean functions which can be either NHPP-I or NHPP-II according to the choice of the distribution function. The proposed mean function is motivated by the fact that a strictly monotone increasing function can be modeled by a distribution function and an unknown distribution function approximated by a mixture of beta distributions. Some existing mean functions can be regarded as special cases of the proposed mean functions. The EM algorithm is used to obtain maximum likelihood estimates of the parameters in the proposed model.     

An Approximate Bayesian Algorithm for Combining Forecasts*

In this paper we propose a consensus forecasting method based on a convex combination of individual forecast densities. The exact Bayesian updating of the convex combination weights is very complex and practically prohibitive. We propose a simple sequential updating alternative method based on function approximation. Several examples illustrate the method.     

A Moderated Mediation Model of Planned Happenstance Skills,Career Engagement,Career Decision Self‐Efficacy,and Career Decision Certainty

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.     

Construction and Initial Validation of the Planned Happenstance Career Inventory

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.     

Longitudinal predictors of homelessness: findings from the National Longitudinal Survey of Youth-97

Homeless youth represent a vulnerable and understudied population. Little research has prospectively identified factors that may place youth at risk for experiencing homelessness. The current study utilizes data from the National Longitudinal Survey of Youth-97 (NLSY-97) to examine predictors of experiencing homelessness as a young adult (before age 25). The NLSY-97 includes a nationally representative sample of 8984 youth. Data were first collected from these youth when they were between the ages of 12 and 18 years. The current study examined whether individual and family risk factors reported during adolescence predict homelessness by the age of 25. The findings showed that multiple runaway episodes, nontraditional family structure, lower educational attainment, and parental work limitations due to health increased the risk of homelessness. A permissive parenting style and being Hispanic protected against homelessness. This study offers unique insight into risk and protective factors for youth homelessness and has important clinical implications.     

The Relationships of Flexible Work Schedules,Workplace Support,Supervisory Support,Work-Life Balance,and the Well-Being of Working Parents

ABSTRACT

This study, using a secondary dataset from the 2002 National Study of the Changing Workforce, examines how working parents cope with work demands and family responsibilities. The design is a study on the relationships of flexible work schedule, workplace support, supervisory support, and work-life balance on the well-being of working parents employing the Structural Equation Model (SEM). In this study, employee well-being is an endogenous latent construct. Work-schedule flexibility, workplace support, supervisory support, and work-life balance are latent exogenous constructs. This information will assist social workers in developing more effective intervention efforts in the workplace, with the ultimate goal of increasing the quality of life.     

Express yourself? Ease to express one’s identity mediates the relationship between national belonging and mental health

ABSTRACT

A number of studies have reported a positive relationship between levels of national identification and well-being. Although this link is clear, the relationship is likely influenced by a number of other variables. In the current study, we examine two such variables: age and the ease with which people feel they can express their identity in the national context. Participants were drawn from three waves (2008–12) of the biannual New Zealand General Social Survey (NZGSS). The NZGSS consists of a number of questions related to well-being. The current study utilised the questions related to one’s sense of belonging to New Zealand, ease to express one’s identity in New Zealand, and mental health. When controlling for physical health, standard of living, and several demographic control variables, there was a clear relationship between one’s sense of belonging to New Zealand and mental health. Further, this relationship was stronger for older than younger participants. Finally, the ease with which participants felt they could express their identity in New Zealand partially mediated the relationship. Future research should elucidate which specific aspects of their identity people feel is constrained in the national context.