SummaryThe present study tested, in a non-Western culture (Japan), the relative validity in predicting job satisfaction, life satisfaction, and happiness of core self-evaluations (CSE), positive and negative affectivity (PA/NA), and the Neutral Objects Satisfaction Questionnaire (NOSQ). Consistent with previous results in primarily Western cultures, the four lower-order traits that comprise CSE-self-esteem, generalized self-efficacy, locus of control, and neuroticismindicated a higher-order factor. While each lower-order trait was itself related to the study's criteria, the CSE concept displayed in general, higher correlations with the dependent variables, and explained incremental variance in two of the study's three outcomes beyond PA, NA, and the NOSQ. These results indicate initial support for the generalizability of CSE in a culture that differs in many respects from Western cultures, and suggest that judgments of satisfaction and happiness in a non-Western culture have a dispositional source.
Two samples of college students (Japanese, N = 373; American, N = 401) were given the Inventory of Occupational Preferences (T. J. G. Tracey & J. Rounds, 1996a), and the structural invariance across cultures was examined at the item and at various scale levels. Correlations of principal-components factor loadings demonstrated that the item structure was similar across cultures. Three separate scale structures were examined: Holland's six-type circular model, Tracey and Rounds's eight-type circular model, and Tracey and Rounds's spherical representation. The fit of the six-type and spherical models to the Japanese sample was significantly worse than their fit to the U.S. sample. There were no differences in cross-cultural fit for the eight-type model. Few structure differences were found between and within genders.
Our objective was to examine cross-cultural comparability of standard scales of the Effort-Reward Imbalance occupational stress scales by item response theory (IRT) analyses. Data were from 20,256 Japanese employees, 1464 Dutch nurses and nurses' aides, 2128 representative employees from post-communist countries, 963 Swedish representative employees, 421 Chinese female employees, 10,175 employees of the French national gas and electric company and 734 Spanish railroad employees, sanitary personnel and telephone operators. The IRT likelihood ratio model was used for differential item functioning (DIF) and differential test functioning (DTF) analyses. Despite the existence of DIF, most comparisons did not show discernible differences in the relations between Effort-Reward total score and level of the underlying trait across cultural groups. In the case that DTF was suspected, excluding an item with significant DIF improved the comparability. The full cross-cultural comparability of Effort-Reward Imbalance scores can be achieved with the help of IRT analysis.
The purpose of this study is to identify the morphological machinery for selective transport of proteins required in the outer segments of the rat photoreceptor cell. As a first step, the three-dimensional architecture of the periciliary region and its developmental changes were examined. Freeze-deep-etching and freeze-substitution methods combined with rapid freezing technique were used. The apical surface of the inner segment was swollen and partially enclosed the base of the connecting cilium in early postnatal stages, so that the basal region of the connecting cilium was inevitably surrounded by a groove. However, a specialized periciliary ridge complex as seen in frog photoreceptor cells has never been observed in rat photoreceptor cells. The cytoplasmic surface of the plasma membrane of the apical inner segment in the vicinity of the connecting cilium was covered with loose fine filaments. However, it was unlikely to be a possible structural candidate for selective transport of membrane proteins. This study also revealed the interior structure of the connecting cilium. Actin filaments in the distal axonem formed a complicated meshwork together with an unknown substance. Since S1 decorated filaments were not detected in the middle region of the connecting cilium, actin filaments at the base of outer segment seem to be independently polymerized locally from G-actin that is transported from the inner segment.
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