全文获取类型
收费全文 | 12406篇 |
免费 | 216篇 |
专业分类
管理学 | 1489篇 |
民族学 | 59篇 |
人口学 | 1029篇 |
丛书文集 | 66篇 |
教育普及 | 3篇 |
理论方法论 | 1110篇 |
综合类 | 133篇 |
社会学 | 6674篇 |
统计学 | 2059篇 |
出版年
2023年 | 60篇 |
2021年 | 66篇 |
2020年 | 154篇 |
2019年 | 238篇 |
2018年 | 260篇 |
2017年 | 377篇 |
2016年 | 279篇 |
2015年 | 202篇 |
2014年 | 271篇 |
2013年 | 2502篇 |
2012年 | 332篇 |
2011年 | 343篇 |
2010年 | 254篇 |
2009年 | 233篇 |
2008年 | 254篇 |
2007年 | 252篇 |
2006年 | 280篇 |
2005年 | 251篇 |
2004年 | 216篇 |
2003年 | 198篇 |
2002年 | 214篇 |
2001年 | 285篇 |
2000年 | 271篇 |
1999年 | 291篇 |
1998年 | 180篇 |
1997年 | 165篇 |
1996年 | 218篇 |
1995年 | 219篇 |
1994年 | 226篇 |
1993年 | 240篇 |
1992年 | 246篇 |
1991年 | 230篇 |
1990年 | 246篇 |
1989年 | 216篇 |
1988年 | 204篇 |
1987年 | 182篇 |
1986年 | 167篇 |
1985年 | 178篇 |
1984年 | 184篇 |
1983年 | 130篇 |
1982年 | 131篇 |
1981年 | 110篇 |
1980年 | 120篇 |
1979年 | 116篇 |
1978年 | 98篇 |
1977年 | 89篇 |
1976年 | 85篇 |
1975年 | 85篇 |
1974年 | 58篇 |
1973年 | 54篇 |
排序方式: 共有10000条查询结果,搜索用时 0 毫秒
931.
932.
Pablo Martínez-Camblor Jacobo de Uña-Álvarez Carmen Díaz Corte 《Journal of applied statistics》2015,42(12):2539-2553
Multi-state models (MSMs) are useful to analyze survival data when, besides the event of main interest, one or more intermediate states of the individual are identified. These models take the several existing states and the possible transitions among them into account. At the same time, covariate effects on each transition intensity may be investigated separately and, therefore, MSMs are more flexible than the standard Cox proportional hazards model. In this work, we use MSMs to investigate the impact of the quality of a transplanted kidney for a group of patients at the Hospital Universitario Central de Asturias. Specifically, we use an illness-death model to study the evolution of patients with kidney disease who received a renal transplant after a dialysis period. The intermediate state is defined as the failure of the received organ, while the terminating state is the death of the patient. In order to increase the potential number of organs available for transplant, the standards of quality for the transplanted kidneys were relaxed (the new criteria are labeled expanded criteria), and these ‘expanded kidneys’ were transplanted in appropriate candidates (older patients, with higher prevalence of diabetes mellitus). Results suggest that the expanded kidneys have a minor effect on survival, while both the kidney mortality and the risk of death increase with the patient's age and the serum creatinine and serum hemoglobin levels. 相似文献
933.
The relationship between class and voting choices has been the subject of controversy in recent years, especially in connection with the apparent decline of the traditional left. This paper examines class voting in Australia, focusing on three major issues: (1) changes in the overall strength of class voting (2) realignment, or changes in the relative political positions of the classes (3) the connection between the strength of class voting and support for Labor. It finds that (1) there is a decline in 'general' class voting (2) much of this decline involves a realignment of certain middle class groups, but there is no support for the popular idea that class alignments have become more complex (3) there is no connection between the strength of class voting and Labor performance. Our results cast doubt on accounts that regard the electoral difficulties of left parties as a symptom of the decline of class. 相似文献
934.
Mueller J. Tom Brooks Matthew M. Pacas José D. 《Population research and policy review》2022,41(4):1501-1523
Population Research and Policy Review - Poverty scholarship in the United States is increasingly reliant upon the Supplemental Poverty Measure (SPM) as opposed to the Official Poverty Measure of... 相似文献
935.
Preliminary Development and Validation of the Social and Emotional Health Survey for Secondary School Students 总被引:1,自引:0,他引:1
Michael J. Furlong Sukkyung You Tyler L. Renshaw Douglas C. Smith Meagan D. O’Malley 《Social indicators research》2014,117(3):1011-1032
This study reports on the preliminary development and validation of the Social and Emotional Health Survey (SEHS) with a sample of 4,189 (51 % female) California students in Grades 8, 10, and 12. The SEHS was designed to measure the psychological building blocks of adolescents’ positive mental health and is operationalized in the present study by a theoretical model comprised of 12 measured indicators that form four first-order domains (belief-in-self, belief-in-others, emotional competence, and engaged living) that, in turn, contribute to one underlying, second-order meta-construct called covitality. This study was the first to investigate the validity and utility of the adolescent covitality construct, which is conceptualized as the synergistic effect of positive mental health resulting from the interplay among multiple positive-psychological building blocks. Findings from confirmatory factor analyses, invariance analysis, and latent means testing all supported the theoretical model underlying the SEHS, indicating that the second-order covitality model was the best fit for both males and females. Results from a path-modeling analysis indicated that covitality was a strong predictor of students’ subjective well-being (operationalized as a composite of life satisfaction, positive affect, and negative affect), and findings from additional concurrent validity analyses indicated that adolescents’ covitality level was significantly associated with self-reported academic achievement, perceptions of school safety, substance use, and experiences of depressive symptoms. Implications for theory, practice, and future research are discussed. 相似文献
936.
Andrew D. Davies 《Mobilities》2014,9(3):384-400
AbstractIn February 1946, the 20,000 sailors of the Royal Indian Navy, the colonial navy of the Government of India, mutinied. Having a number of grievances, from colonial rule of India, inefficient demobilisation procedures and ill treatment from superior officers, sailors on ships and shore establishments across the Indian Ocean took part in the mutiny, which represented the largest time a military force had disobeyed British Rule since the Mutiny of 1857. This paper examines the ways in which the geographies and mobilities of naval service shaped the political lives of the sailors in the RIN. On the one hand, both military (naval) and colonial forms of discipline worked through the spaces of the ship to attempt to control and order sailors’ lives. On the other, the mobile nature of life at sea, travelling from place to place and encountering colonial difference within the RIN, opened the door to different political ideas to influencing the sailors. At the same time, far from being a disconnected space, separate from the land, the naval ship combined with sailors’ land-based connections allowed them to contest and rework ‘landed’ political activity from the sea. 相似文献
937.
Research into the health and wellbeing of rural lesbian, gay, bisexual, and transgender (LGBT) populations is limited. A community-based participatory research (CBPR) approach was used to develop an online survey for LGBT Nebraskans. The 770 participants replied to an array of questions on social determinants of health and basic health outcomes. Only significant differences in having health insurance were found between urban and rural participants. Social determinants of health were explored. Results of this study suggest that regional culture may be more salient to health for lesbian, gay, bisexual, and transgender persons living in the Midwest than rural or urban residence. 相似文献
938.
The Importance of Spousal Education for the Self-Rated Health of Married Adults in the United States
Dustin C. Brown Robert A. Hummer Mark D. Hayward 《Population research and policy review》2014,33(1):127-151
Education’s benefits for individuals’ health are well documented, but it is unclear whether health benefits also accrue from the education of others in important social relationships. We assess the extent to which individuals’ own education combines with their spouse’s education to influence self-rated health among married persons aged 25 and older in the United States (N = 337,846) with pooled data from the 1997–2010 National Health Interview Survey. Results from age- and gender-specific models revealed that own education and spouse’s education each share an inverse association with fair/poor self-rated health among married men and women. Controlling for spousal education substantially attenuated the association between individuals’ own education and fair/poor self-rated health and the reduction in this association was greater for married women than married men. The results also suggest that husbands’ education is more important for wives’ self-rated health than vice versa. Spousal education particularly was important for married women aged 45–64. Overall, the results imply that individuals’ own education and spousal education combine to influence self-rated health within marriage. The results highlight the importance of shared resources in marriage for producing health. 相似文献
939.
William D.H. Li 《International Journal of Social Welfare》2007,16(1):12-17
This article first reviews how the concept of privatisation has been referred to in the current restructuring of the social housing system, especially in the case of the UK. The term 'privatisation' is then examined in greater detail and its wider meaning is discussed. By using the network approach, privatisation in relation to housing can be understood in terms of the changing combinations of agents involved in providing social housing, which gives rise to the commodified impact on the distribution of social housing. By using the privatisation process of social housing in Taiwan as an example, three distinct combinations in terms of providing social housing are identified. With an increasing number of social housing units being provided by the marketised social housing model where private agents control the process of providing social housing, along with more market rules being involved in the provision and the partial removal of means tests in relation to the distribution of social housing, the privatisation of social housing development in Taiwan is having a major impact on equity. 相似文献
940.
Harrell W. Chesson Jami S. Leichliter Gregory D. Zimet Susan L. Rosenthal David I. Bernstein Kenneth H. Fife 《Journal of Risk and Uncertainty》2006,32(3):217-230
This article examines the relationship between personal discount rates and sexual behaviors in a sample of teenagers and young
adults. We find that higher discount rates (an indication of less willingness to forego current consumption for future consumption)
are significantly associated with a range of sexual behaviors, including ever having sex, having sex before age 16 years,
and past or current pregnancy. These associations are consistent with previous studies showing a link between discounting
and other, non-sexual health behaviors.
JEL Classification D80 · D90 · I10 相似文献