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61.
Jan Bonenkamp Lex Meijdam Eduard Ponds Ed Westerhout 《Journal of population economics》2017,30(3):953-976
This paper stems from the observation that there are two worldwide trends, pension reform and population ageing, and asks whether the two may be related. Exploring the cases of pension reform in different countries, we find that, although they are very different, the cases share a common characteristic: they shift risks away from workers towards those who are retired. Furthermore, population ageing, by increasing the weight of the elderly relative to working generations, raises the price of intergenerational risk sharing. Combining these findings, we argue and show formally that pension reform can be seen as a welfare-best response to population ageing. 相似文献
62.
63.
Marian van Bakel Jan Pieter van Oudenhoven Marinel Gerritsen 《Human Resource Development International》2017,20(3):215-235
Social capital is a crucial factor for expatriates to employ as they cope with the demands of an international assignment. This longitudinal study used a mixed method approach to examine the social support benefits of expatriate contact with a local host. Western expatriates in the Netherlands were randomly divided into two groups: an experimental group (n = 33), that had contact with a Dutch host during 9 months, and a control group (n = 32) with no host. Qualitative methods such as interviews and diaries were included to shed light on the various types of social support that occurred. Results show that local hosts offered all four types of social support: social companionship, informational support, emotional support, and instrumental support. Furthermore, expatriates with a host increased their social capital; they received significantly more social support from host nationals than did those without a host. This study shows that HRD professionals may develop the social capital of expatriates by bringing them into contact with a local host, which can produce more social support from host nationals. Increased social capital may lead to a higher performance at both the individual and organisational levels. 相似文献
64.
65.
Augmented Reality focuses on the enrichment of the user's natural field of view by consistent integration of text, symbols and interactive three-dimensional objects in real time. Placing virtual objects directly into the user's view in a natural context empowers highly dynamic applications. On the other hand, this necessitates deliberate choice of information design and density, in particular for deployment in hazardous environments like military combat scenarios. As the amount of information needed is not foreseeable and strongly depends on the individual mission, an appropriate system must offer adequate adaptation capabilities. The paper presents a prototypical, vehicle-mountable Augmented Reality vision system, designed for enhancing situation awareness in stressful urban warfare scenarios. Tracking, as one of the most crucial challenges for outdoor Augmented Reality, is accomplished by means of a Differential-GPS approach while the type of display to attach can be modified, ranging from ocular displays to standard LCD mini-screens. The overall concept also includes envisioning of own troops (blue forces), for which a multi-sensor tracking approach has been chosen. As a main feature, the system allows switching between different information categories, focusing on friendly, hostile, unidentified or neutral data. Results of an empirical study on the superiority of an in-view navigation cue approach conclude the paper. 相似文献
66.
Jan Van Bavel 《Demography》2010,47(2):439-458
Theory suggests that the field of study may be at least as consequential for fertility behavior as the duration and level
of education. Yet, this qualitative dimension of educational achievement has been largely neglected in demographic studies.
This article analyzes the mechanisms relating the field of study with the postponement of motherhood by European college-graduate
women aged 20–40. The second round of the European Social Survey is used to assess the impact of four features of study disciplines
that are identified as key to reproductive decision making: the expected starting wage, the steepness of the earning profile,
attitudes toward gendered family roles, and gender composition. The results indicate that the postponement of motherhood is
relatively limited among graduates from study disciplines in which stereotypical attitudes about family roles prevail and
in which a large share of the graduates are female. Both the level of the starting wage and the steepness of the earning profile
are found to be associated with greater postponement. These results are robust to controlling for the partnership situation
and the age at entry into the labor market. 相似文献
67.
Jan Delhey 《Social indicators research》2010,97(1):65-84
This paper takes the theory of value change as developed by Inglehart as a point of departure and tests its implications for
the determinants of human happiness. It investigates whether the importance of post-material concerns for happiness, relative
to that of materialist concerns, is indeed higher in rich post-industrial societies. Personal autonomy and job creativity
serve as indicators for post-materialist concerns, the income domain as an indicator for materialist concerns. The main assumption
is put against data for 48 countries from wave 5 of the World Values Survey, the most recent survey, which covers the full
range from poor agrarian to rich post-industrial societies. Employing a multi-level design, the paper indeed reveals a quite
consistent pattern towards post-materialist happiness as we move from poor to rich societies. This pattern seems to be driven
by both a devalorization of material concerns and a valorization of post-materialist concerns, although the evidence suggests
that the former trend is stronger and more linear than the latter. 相似文献
68.
Parental Divorce,Residence Arrangements,and Contact Between Grandchildren and Grandparents 下载免费PDF全文
When parents divorce, grandparents can play a supportive role in the lives of their grandchildren, but a parental divorce may also put grandchild–grandparent ties under pressure. In this study the authors investigated how grandchildren of married and divorced parents differ in the frequency of face‐to‐face contacts with grandparents and how this is mediated by postdivorce residence arrangements. Based on the multi‐actor survey “Divorce in Flanders,” they used reports of contact provided by more than 1,000 grandchildren and compared them with more than 1,100 grandparent reports for validation. The results showed that grandchildren from divorced parents have fewer contacts with their grandparents than grandchildren whose parents are married but that it is the postdivorce residence arrangement of grandchildren that produces this result. When grandchildren live with their divorced father or in a shared residence arrangement, they even see paternal grandparents more often than grandchildren with married parents. 相似文献
69.
Jan Kornelis Dijkstra Siegwart Lindenberg Frank C. Verhulst Johan Ormel René Veenstra 《Journal of research on adolescence》2009,19(3):401-413
The aim of this study was to examine the relations between popularity and different types of aggressive, destructive, and norm‐breaking behaviors in a large cross‐sectional sample of adolescents (N=3,312, M age=13.60). We were interested in the extent to which the relations of these behaviors with popularity were moderated by positive features (i.e., athletic abilities, physical attractiveness, and prosociality). From a goal‐framing perspective, it was argued that positive features evoke positive affect, which in turn enhances the positive impact of aggressive, destructive, and norm‐breaking behaviors on popularity. The results supported our notion that these latter behaviors are especially related to popularity in adolescents who also exhibit positive features. 相似文献
70.
Eva K. Andersson Bo Malmberg Rafael Costa Bart Sleutjes Marcin Jan Stonawski Helga A. G. de Valk 《Revue europeenne de demographie》2018,34(2):251-275
In this paper, we use geo-coded, individual-level register data on four European countries to compute comparative measures of segregation that are independent of existing geographical sub-divisions. The focus is on non-European migrants, for whom aggregates of egocentric neighbourhoods (with different population counts) are used to assess small-scale, medium-scale, and large-scale segregation patterns. At the smallest scale level, corresponding to neighbourhoods with 200 persons, patterns of over- and under-representation are strikingly similar. At larger-scale levels, Belgium stands out as having relatively strong over- and under-representation. More than 55% of the Belgian population lives in large-scale neighbourhoods with moderate under- or over-representation of non-European migrants. In the other countries, the corresponding figures are between 30 and 40%. Possible explanations for the variation across countries are differences in housing policies and refugee placement policies. Sweden has the largest and Denmark the smallest non-European migrant population, in relative terms. Thus, in both migrant-dense and native-born-dense areas, Swedish neighbourhoods have a higher concentration and Denmark a lower concentration of non-European migrants than the other countries. For large-scale, migrant-dense neighbourhoods, however, levels of concentration are similar in Belgium, the Netherlands, and Sweden. Thus, to the extent that such concentrations contribute to spatial inequalities, these countries are facing similar policy challenges. 相似文献