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51.
Thirty‐two 6‐month‐old infants were exposed to their mothers attending, in turn, to a lifelike baby doll and a book. Infant negativity was greater when maternal attention was directed toward the social object, suggesting the presence of an early form of jealousy by 6 months of age. 相似文献
52.
We develop an individual behavioral model that integrates the role of top management and organizational culture into the theory of planned behavior in an attempt to better understand how top management can influence security compliance behavior of employees. Using survey data and structural equation modeling, we test hypotheses on the relationships among top management participation, organizational culture, and key determinants of employee compliance with information security policies. We find that top management participation in information security initiatives has significant direct and indirect influences on employees’ attitudes towards, subjective norm of, and perceived behavioral control over compliance with information security policies. We also find that the top management participation strongly influences organizational culture which in turn impacts employees’ attitudes towards and perceived behavioral control over compliance with information security policies. Furthermore, we find that the effects of top management participation and organizational culture on employee behavioral intentions are fully mediated by employee cognitive beliefs about compliance with information security policies. Our findings extend information security research literature by showing how top management can play a proactive role in shaping employee compliance behavior in addition to the deterrence oriented remedies advocated in the extant literature. Our findings also refine the theories about the role of organizational culture in shaping employee compliance behavior. Significant theoretical and practical implications of these findings are discussed. 相似文献
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Hart N 《Population studies》1998,52(2):215-229
Though it has been the largest component of reproductive mortality since its statutory registration in 1928, stillbirth has received little attention from historical demographers, who have relied on the more orthodox indicator of early human survival changes - "infant mortality". The exclusion of stillbirth hampers demographic analysis, underestimates progress in newborn vitality, and over-privileges post-natal causes in theoretical explanation. A case is made for estimating stillbirth before 1928 as a ratio of early neonatal death, and for employing perinatal mortality as an historical indicator of female health status. The long-run trend of reproductive mortality (encompassing mature foetal and live born infant death during the first eleven months) reveals a substantial decline in perinatal causes in the first industrial century (1750-1850), implying a major concurrent improvement in the nutritional status of child bearers. Reproductive mortality is a more complete indicator of death in infancy. It offers demographers a means of fracturing the fertility versus mortality dualism and a potential purchase on gender as a demographic variable, while re-opening the case on mortality in the demographic dynamic of the world we have lost. 相似文献
55.
Hart PE 《International labour review / International Labour Office》1990,129(2):213-228
The author assesses the importance of each classification of "structural unemployment, namely technological, mismatch of skills, geographical mismatch, demographic shifts, institutional rigidities, 'unemployability', and capital-restructuring unemployment." in the United Kingdom. He also reviews recent evidence on regional wage differential adjustments and their impact on the disequilibrium within the British labor market. 相似文献
56.
57.
Nicky Hart 《Population studies》2013,67(1):27-46
During the Dutch Hunger Winter (1945), a unique, documented example of mass famine in an industrialized population, total reproductive loss (fetal and infant mortality) among most exposed mothers remained relatively low. This is explained by highly favourable fetal mortality and unfavourable infant mortality. The author traces the pattern of low fetal mortality to the higher levels of ‘embodied health status’ of famine mothers. The high infant mortality of the famine area testifies to the severity of the food and fuel shortage, yet another factor held down the rate of stillbirth. This other factor, it is argued, has a socio-economic character, it is the intrinsic ‘embodied’ nutritional status of the regional population, arising from favourable opportunities for growth and development among successive generations of mothers. This explanation highlights the importance of maternal vitality, (a synthetic, historically variable and culturally determined phenomenon) as a neglected feature of historical demography. 相似文献
58.
David A. Nelson Clyde C. Robinson Craig H. Hart Anthony D. Albano Shawna J. Marshall 《Social Development》2010,19(4):698-720
Little is known about the behavior of preschool children belonging to peer sociometric status groups (popular, average, rejected, neglected, and controversial) in cultural contexts outside North America. This study examined the social interactions of Italian preschoolers. The sample consisted of 266 Italian preschoolers (mean age of 64 months). Physical and relational subtypes of aggression and victimization, as well as sociable behavior, were measured by peer nominations and teacher ratings. Peer nominations of acceptance and rejection (like and dislike nominations) were also collected in order to form the sociometric status groups. Results of confirmatory factor analyses showed that items developed with US preschoolers appeared to work fairly well in identifying behavioral constructs in Italian preschoolers. Findings generally supported previous research with American preschoolers. Sociometrically popular children were highest in sociability, and lowest in physical and relational aggression and victimization. The opposite pattern emerged for rejected status children. Neglected status children were generally not distinguished from average status children. Results also suggested that the enactment of relational aggression promotes greater social impact for some Italian children (controversial children), and this aggression also invites more conflict and victimization. However, the sociability of controversial children appears to buffer them from rejected group status. 相似文献
59.
We propose new models for dealing with various sources of variability and uncertainty that influence risk assessments for dietary exposure. The uncertain or random variables involved can interact in complex ways, and the focus is on methodology for integrating their effects and on assessing the relative importance of including different uncertainty model components in the calculation of dietary exposures to contaminants, such as pesticide residues. The combined effect is reflected in the final inferences about the population of residues and subsequent exposure assessments. In particular, we show how measurement uncertainty can have a significant impact on results and discuss novel statistical options for modeling this uncertainty. The effect of measurement error is often ignored, perhaps due to the laboratory process conforming to the relevant international standards, for example, or is treated in an ad hoc way. These issues are common to many dietary risk analysis problems, and the methods could be applied to any food and chemical of interest. An example is presented using data on carbendazim in apples and consumption surveys of toddlers. 相似文献
60.