Who are Cross-Border Online Shoppers?

Cross-border online purchase has been significantly increased throughout the world thanks to the development of transportation and technology. Understanding cross-border online shopping behavior in South Korea is particularly important due to its dramatic growth. Since 2010, cross-border online shopping has been increased by 40% every year (Korean Consumer Agency, 2014). This study is to enhance the understanding of cross-border online shopping behavior in South Korea. Based on the Theory of Reasoned Action (TRA), specifically, this study examined the relationships among consumer beliefs, attitude, subjective norms, and purchase intention for cross-border online shopping. This results of this research demonstrated that building a positive attitude toward cross-border online shopping, which was influenced by global orientation, ethnocentrism, and global brand beliefs, was the powerful antecedent of purchase intention for cross-border shopping

Topological Quantum Phase Transition in 5dd Transition Metal Oxide Na2_2IrO3_3

We predict a quantum phase transition from normal to topological insulators in the 5$d$ transition metal oxide Na$_2$IrO$_3$, where the transition can be driven by the change of the long-range hopping and trigonal crystal field terms. From the first-principles-derived tight-binding Hamiltonian we determine the phase boundary through the parity analysis. In addition, our first-principles calculations for Na$_2$IrO$_3$ model structures show that the interlayer distance can be an important parameter for the existence of a three-dimensional strong topological insulator phase. Na$_2$IrO$_3$ is suggested to be a candidate material which can have both a nontrivial topology of bands and strong electron correlations

Academic achievement trajectories of adolescents from Mexican and East Asian immigrant families

Academic achievement of adolescent children is directly associated with their success in adulthood. Little is known, however, regarding how adolescents in immigrant families academically grow over time and what factors influence the trajectories. Drawing on the National Educational Longitudinal Survey 1988 (NELS: 88), this study aimed to: 1) identify the growth pattern of reading and math achievement of adolescent children from Mexican and East Asian immigrant families (n = 282 and n = 234, respectively), and 2) investigate to what extent ethnicity, various forms of parental capital, and social capital within the home influence the trajectories in the academic achievement of children from Mexican and East Asian immigrant families. This study employed the growth curve modeling for analysis. As a result, first, reading and math achievement of adolescent students from Mexican and East Asian immigrant families improved between the eighth and twelfth grades. Controlling for child’s characteristics (i.e. gender, generational status, and limited English proficiency status at eighth grade), expected scores increased by 1.71 points for reading and 3.21 points for math. Second, ethnicity had a significant effect on academic trajectories of adolescent children from Mexican and East Asian immigrant families. Taking into account family capital, however, the effect size substantially decreased, and there was no significant ethnicity effect on the rate of change. Third, compared to the counterparts of parents with a lower level of parental capital, those whose parents had higher levels of capital did better at eighth grade and these students’ achievement accelerated over time. Controlling for other forms of capital, however, these significant effects substantially decreased or even disappeared. Social capital within the home also had a positive effect on academic achievement at eighth grade and the growth change over time. Controlling for parental capital, the positive effect of parent-child discussion on academic achievement at eighth grade remained whereas its effect on the growth rate disappeared. Implications and directions for future research are also discussed

Female nursing graduate students stress and health: the mediating effects of sense of coherence and social support

Background Ninety-five percent of nursing graduate students in South Korea are women, and most are often engaged in both academic coursework and work outside of the academic environment. Nursing graduate students often experience stress leading to physical and mental health problems that negatively affect their academic performance and persistence during graduate programs. The purpose of this study was to test multiple mediation effects of sense of coherence (SOC) and social support in the relationship between stress and health status of nursing graduate students. Methods The participants of this study were 231 female nursing graduate students from 14 universities. Data were collected using an online survey conducted between August and October 2019. Bootstrap techniques using the PROCESS macro for SPSS software were applied to assess the multi-mediating effects. Results The total effect (B = − 12.29, p < .001) and direct effect (B = − 7.07, p < .001) of perceived stress on health status were significant. Perceived stress had negative direct effects on social support (B = − 0.41, p < .001) and SOC (B = − 5.77, p < .001). SOC had a positive direct effect on health status (B = 0.59, p < .001). However, social support was not a significant predictor of health status (B = 1.24, p = .232). In addition, there was a positive direct effect of social support on SOC (B = 5.23, p < .001). Furthermore, the indirect effect of perceived stress on health status through SOC was significant (B = − 3.42, 95% CI = − 5.2616, − 1.8906). There was also a significant indirect effect of perceived stress on health status through social support and SOC (B = − 1.28, 95% CI = − 2.1663, − 0.5992). Conclusion It is necessary to create strategies that enhance nursing graduate students SOC and social support to reduce their perceived stress and to improve their health status

Spin-Orbit Integrated Ground State and Magnetic Anisotropy in Sr2_2IrO4_4

We present a microscopic model for the anisotropic exchange interactions in Sr$_{2}$IrO$_{4}$. A direct construction of Wannier functions from first-principles calculations proves the $j_{\mathrm{eff}}$=1/2 character of the spin-orbit integrated states at the Fermi level. An effective $j_{\mathrm{eff}}$-spin Hamiltonian explains the observed weak ferromagnetism and anisotropy of antiferromagnetically ordered magnetic state, which arise naturally from the $j_{\mathrm{eff}}$=1/2 state with a rotation of IrO$_{6}$ octahedra. It is suggested that Sr$_{2}$IrO$_{4}$ is a unique class of materials with effective exchange interactions in the spin-orbital Hilbert space.Comment: 5 pages, 3 figure