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Three experiments examined recognition and recall of items that people imagined as being invisible. When one item hid another, the hidden item suffered in recognition, but so did the one that remained visible; the demand to imagine items invisibly made both items less recognizable than in control conditions. Cued recall did not depend on whether the visible item or the invisible item was the cue, but it did depend on whether the initial task required relational processing of the items. When both items were invisible in a dark imaginary scene, there was a general loss in all measures of memory, including memory for the scene. None of the results requires recourse to the “out of sight, out of mind” principle that memory depends on the visual characteristics of images. The results attest, instead, to the importance of the informational characteristics of memorial records.  相似文献   
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A modified version of Caplan's Job Stress Questionnaire (JSQ) was administered to 169 male and 56 female entrepreneurs. Entrepreneurs were found to have higher levels of stress associated with workload than with role ambiguity and underutilization of skills. Compared to scores reported previously for various occupational categories, the entrepreneurs scored significantly higher than did white collar, blue collar, and professional groups on the workload scale and significantly lower on scales measuring role ambiguity and under-utilization of skills. These results may be due to the nature of entrepreneurial activity, which is often characterized by heavy workloads, long hours, and a self-established role in the organization. Additionally, the factorial composition of the JSQ and its internal consistency were examined. Evidence of convergent and discriminant validity at the item and subscale level confirmed the a priori dimensions of the JSQ, although the internal consistency of the scales were low to moderate. The need for various improvements in the measurement of occupational stress is briefly discussed.  相似文献   
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The hypothesis that spatial ability is, in part, experientially determined, and that sex differences in spatial ability can be explained by sex differences in spatial experience, can be studied in a correlational manner by examining the relationship between spatial activity participation and spatial ability test performance for males and females. Alternatively, an experimental training situation, comparing male and female susceptibility to training, has been proposed to test the hypothesis that environment has an impact on spatial skills and sex differences in ability. Both lines of research are reviewed here, through the use of meta-analytic techniques. The first meta-analysis reveals a weak but reliable relationship between spatial activity participation and spatial ability. This relationship appears similar for males and females. The second meta-analysis reveals that spatial ability test performance can be improved by training for both sexes. This improvement does not appear different for males and females, however, contrary to a predominant hypothesis in the literature. Training to asymptote may be a better test of the relevance of differential experience to sex differences. Content and duration of training are also discussed as important factors in the effectiveness of training.This research was supported by Grant No. MH39671 from the National Institute of Mental Health. A version of this paper was presented at the biennial meetings of the Society for Research in Child Development, Baltimore, Maryland, April 1987. We are grateful to Margaret Signorella and Susan Resnick for providing data. We would also like to thank Judith Dubas, Susan Resnick, Ralph Rosnow, Carolyn Spies, Lance Weinmann, and Marsha Weinraub for helpful comments on earlier drafts of this article.  相似文献   
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This research aims to investigate the drive to conceive through repeated use of Assisted Reproductive Technology (ART) in relation to the affective and meaning-making processes related to this drive, through the use of the participants' memories of mother and being mothered, the choices they made regarding sex, intimacy and non-uterine activity in early adulthood and their fantasies of how a child would change their lives. Though prepared for an MSc dissertation it is a pilot empirical study using interpretative phenomenological analysis and applications of Jungian analytic and psychoanalytical theory. The collected data consists of three semi-structured interviews analysed through recurrent themes and amplification. Developmental and archetypal thinking has been suggested as a means of understanding. The results are strongly suggestive of two main themes across the interviews and further research is underway. The first theme is the importance of the relationship to mother and the quality of the mothering received in contributing to a woman's availability to become a mother at a time in her life when she is most fertile. The second theme of the pilot suggested that the crisis of infertility is a mask for another crisis of identity that also had links to the personal mother. At the core of these issues with mother there is an absence of father and an intra-psychic couple. Repeated infertility treatment becomes a transformative process necessitating repetition until something new can be created.  相似文献   
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This research examined whether visual and haptic map learning yield functionally equivalent spatial images in working memory, as evidenced by similar encoding bias and updating performance. In 3 experiments, participants learned 4-point routes either by seeing or feeling the maps. At test, blindfolded participants made spatial judgments about the maps from imagined perspectives that were either aligned or misaligned with the maps as represented in working memory. Results from Experiments 1 and 2 revealed a highly similar pattern of latencies and errors between visual and haptic conditions. These findings extend the well-known alignment biases for visual map learning to haptic map learning, provide further evidence of haptic updating, and most important, show that learning from the 2 modalities yields very similar performance across all conditions. Experiment 3 found the same encoding biases and updating performance with blind individuals, demonstrating that functional equivalence cannot be due to visual recoding and is consistent with an amodal hypothesis of spatial images.  相似文献   
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Achieving community‐level goals to eliminate the HIV epidemic requires coordinated efforts through community consortia with a common purpose to examine and critique their own HIV testing and treatment (T&T) care system and build effective tools to guide their efforts to improve it. Participatory system dynamics (SD) modeling offers conceptual, methodological, and analytical tools to engage diverse stakeholders in systems conceptualization and visual mapping of dynamics that undermine community‐level health outcomes and identify those that can be leveraged for systems improvement. We recruited and engaged a 25‐member multi‐stakeholder Task Force, whose members provide or utilize HIV‐related services, to participate in SD modeling to examine and address problems of their local HIV T&T service system. Findings from the iterative model building sessions indicated Task Force members’ increasingly complex understanding of the local HIV care system and demonstrated their improved capacity to visualize and critique multiple models of the HIV T&T service system and identify areas of potential leverage. Findings also showed members’ enhanced communication and consensus in seeking deeper systems understanding and options for solutions. We discuss implications of using these visual SD models for subsequent simulation modeling of the T&T system and for other community applications to improve system effectiveness.  相似文献   
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Since the mid-1990s, the Australian immigration programme has undergone a ‘paradigm’ shift to encourage skilled migrants to settle in regional Australia. The success of this programme is dependent on not just attracting increasing numbers of settlers but more importantly on retaining them in the long run in regional Australia. In this paper, we argue the importance of social connectedness for long-term stay in a particular place and empirically examine the determinants of social connectedness in regional Australia. We use the data from a national survey of 500 randomly selected principal applicants who migrated under the regional sponsored migration scheme. We derived a composite measure of social connectedness from responses to five questions about regular participation in various community activities. Logistic regression models were employed to examine the factors that contribute to social connectedness. Of all the covariates included in the model, five were critical for strong social connectedness. The families with young children, those who have lived in Australia longer, those living in small towns and those who were born in the USA/Canada, South Africa and Zimbabwe showed much stronger social connectedness than others. Another interesting finding was that those who found the assistance they received from their employer sponsor upon arrival helpful were also more likely to have strong social connectedness. The paper concludes with the policy implications and future research directions on this very important social issue.  相似文献   
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