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31.
Hubert Blank 《Philosophical Magazine Letters》2013,93(7):459-466
Recently temperature-sensitive 5f6d electron complexes were postulated to explain certain properties of the light actinide metals Pa, U, Np and Pu, but the sizes of these complexes remained undefined. Here it is shown that these complexes are localized in the short (covalent) bonds of α-U, govern the anomalous properties of α-Pa and explain the stabilization of certain binary alloy phases between light actinide metals. The systematic variation in certain properties in the light actinide series can be correlated with the presence of 5f6d complexes. In the first three metals (Th, Pa and U), typical 5f effects are more or less suppressed. In contrast these effects exist with clearly different strengths in Np and Pu. Experiments are proposed by which the properties of 5f6d complexes might be studied further. 相似文献
32.
Ericsson and Kintsch (1995) proposed that, in situations of expertise, individuals can overcome working memory limitations by using long-term working memory. It allows a greater capacity than working memory thanks to long-term memory encoding and retrieving. To test this characteristic, an adaptation of Daneman and Carpenter's (1980) reading span was used. To operationalise expertise, the personalisation method (Guida & Tardieu, 2005) was employed. In Experiment 1, a personalised group, which read reading span sentences that mentioned familiar locations, was compared to a nonpersonalised group, which read sentences with unfamiliar locations. In Experiment 2, a personalised group, which read reading span sentences with neutral locations, was encouraged to mentally personalise these locations by thinking about known locations. This group was compared to a nonpersonalised group, which was encouraged to think about unknown locations. The personalised groups were expected to store and retrieve information in long-term memory via long-term working memory more easily than the nonpersonalised groups, which had to count massively on working memory. The results showed that personalisation enhanced reading span and confirmed one implication of the long-term working memory theory: high- and low-reading-span differences could also be due to long-term memory retrieval. Finally, these results are interpreted in terms of interaction between working memory size and long-term memory knowledge, showing that participants with a lower reading span benefited more from high domain knowledge than participants with a higher reading span. 相似文献
33.
Hubert L. Dreyfus 《Phenomenology and the Cognitive Sciences》2002,1(4):430-430
Phenomenology and the Cognitive Sciences - 相似文献
34.
It was hypothesized in the present research that there would be significant differences in the job satisfaction of subordinates depending upon the interaction between their sex and the sex of their supervisors. Using job satisfaction data from 139 employees, it was found that: (a) female subordinates supervised by male supervisors were less satisfied with supervision than those supervised by women, (b) females working under males reported a lower level of satisfaction with their co-workers than females supervised by females or males supervised by males, and (c) women who had female supervisors indicated a higher level of satisfaction with their work than men with male supervisors. Contrary to traditional stereotypes of women supervisors, the results suggested that these stereotypes might not be important in long-term, real-world situations. 相似文献
35.
Lawrence Hubert 《Psychometrika》1974,39(4):517-520
Within the context of a contingency table, this note describes the relationship between Freeman's measure of association and the asymmetric association measures developed by Somers. The coefficient is appropriate for a contingency table in which the levels of one factor are ordered and the levels of the other factor are unordered; the indices defined by Somers are usually used when the levels of both factors are ordered and one is assumed to be the independent factor. 相似文献
36.
Some applications of graph theory to clustering 总被引:10,自引:0,他引:10
Lawrence J. Hubert 《Psychometrika》1974,39(3):283-309
This paper attempts to review and expand upon the relationship between graph theory and the clustering of a set of objects. Several graphtheoretic criteria are proposed for use within a general clustering paradigm as a means of developing procedures in between the extremes of complete-link and single-link hierarchical partitioning; these same ideas are then extended to include the more general problem of constructing subsets of objects with overlap. Finally, a number of related topics are surveyed within the general context of reinterpreting and justifying methods of clustering either through standard concepts in graph theory or their simple extensions. 相似文献
37.
When Testing Pays Off 总被引:1,自引:0,他引:1
38.
Shi Xu Larry R. Martinez Hubert Van Hoof Maria Isabel Eljuri Liliana Arciniegas 《Journal of applied social psychology》2016,46(11):617-626
This study focuses on the relation between emotional variability and job satisfaction and examines emotional exhaustion as a potential explanation for why variability may result in lower satisfaction. In addition, this study examines organizational identification as a potential moderator of the relation between emotional exhaustion and job satisfaction. A total of 244 nonacademic staff in two universities in Ecuador responded to the surveys. The results demonstrated that emotional exhaustion mediated the relation between emotional variability and job satisfaction and that organizational identification weakened the negative relation between emotional exhaustion and job satisfaction. This research is among the first to investigate emotional variability in organizations and examine the role of organizational identification in buffering the negative effect of emotional variability. 相似文献
39.
Kayonda Hubert Ngamaba 《Journal of Psychology in Africa》2016,26(5):407-414
This study investigated predictors of happiness and life satisfaction in Rwanda. Data from the World Values Survey and gathered from 3 030 Rwandese (age ranging 16 to 90 years, mean age = 34.2, SD = 12.7; females = 50.5%) were pooled for the analysis. For the comparison, international World Values Survey data were utilised. A fixed effects multilevel regression model was used to predict happiness and life satisfaction from gender, health, socio-economic, and some subjective measures. Males had greater self-rated happiness and life satisfaction scores than females. State of health and sense of freedom of choice predicted both happiness and life satisfaction. Valuing of friends, weekly religious attendance, and national pride positively predicted happiness, whereas household’s financial satisfaction, full-time employment, high-income group, being a student, and sense of trust predicted life satisfaction. This study suggests that health status, household’s financial satisfaction and emancipative values could maximise subjective well-being in Rwanda. 相似文献
40.
In the present study, we examined the effect of recruiter and applicant gender on recruiters' evaluations of applicants' qualifications as reported on actual applicant resumes. Forty recruiters evaluated applicant resumes that were randomly allocated to them. In total, 388 recruiter evaluations of applicant resumes comprised the sample. Results indicate that recruiter and applicant gender interacted to predict recruiters' perceptions of applicants' qualifications. Male recruiters' perceptions of applicants' work experiences did not differ depending on applicant gender. However, female recruiters perceived male applicants' resumes to report more work experiences than resumes of female applicants. Furthermore, male recruiters perceived female applicants as having more extracurricular interests than male applicants. Female recruiters rated both male and female applicants as having about the same amount of extracurricular activity information on their resumes. Gender role theory provides a possible explanation for the study's findings. 相似文献