全文获取类型
收费全文 | 661篇 |
免费 | 20篇 |
专业分类
管理学 | 37篇 |
民族学 | 3篇 |
人口学 | 88篇 |
丛书文集 | 2篇 |
理论方法论 | 74篇 |
综合类 | 5篇 |
社会学 | 448篇 |
统计学 | 24篇 |
出版年
2023年 | 4篇 |
2021年 | 2篇 |
2020年 | 11篇 |
2019年 | 19篇 |
2018年 | 19篇 |
2017年 | 33篇 |
2016年 | 15篇 |
2015年 | 13篇 |
2014年 | 18篇 |
2013年 | 136篇 |
2012年 | 20篇 |
2011年 | 40篇 |
2010年 | 23篇 |
2009年 | 17篇 |
2008年 | 35篇 |
2007年 | 27篇 |
2006年 | 19篇 |
2005年 | 22篇 |
2004年 | 20篇 |
2003年 | 19篇 |
2002年 | 27篇 |
2001年 | 15篇 |
2000年 | 13篇 |
1999年 | 5篇 |
1998年 | 7篇 |
1997年 | 8篇 |
1996年 | 8篇 |
1995年 | 10篇 |
1994年 | 8篇 |
1993年 | 7篇 |
1992年 | 5篇 |
1991年 | 3篇 |
1990年 | 5篇 |
1989年 | 7篇 |
1988年 | 1篇 |
1987年 | 6篇 |
1986年 | 2篇 |
1985年 | 6篇 |
1984年 | 6篇 |
1983年 | 3篇 |
1982年 | 1篇 |
1981年 | 1篇 |
1980年 | 2篇 |
1979年 | 3篇 |
1978年 | 1篇 |
1977年 | 1篇 |
1976年 | 4篇 |
1975年 | 1篇 |
1974年 | 1篇 |
1970年 | 2篇 |
排序方式: 共有681条查询结果,搜索用时 15 毫秒
671.
Following perinatal loss, a type of ambiguous loss, bereaved couples struggle with and experience distress due to various forms of ambiguity. Moreover, the juxtaposition of their grief with society's minimization often disenfranchises them from traditional grieving processes. The purpose of this study was to explore sources of ambiguity and disenfranchised grief related to perinatal loss. Audio-taped interviews with 13 bereaved couples at 2, 6, and 13 months following the death of their fetus or infant were analyzed. Several categories of ambiguity and disenfranchised grief emerged, pertaining to: (a) the viability of the pregnancy; (b) the physical process of pregnancy loss; (c) making arrangements for the remains; and (d) sharing the news. This study uncovers the many sources of ambiguity and disenfranchised grief that bereaved couples face in interactions with family, friends, society, and healthcare professionals. These insights may inform healthcare professionals in their attempts to ease distress related to perinatal loss. 相似文献
672.
Hofferth Sandra L. Stanhope Stephen Mullan Harris Kathleen 《Population research and policy review》2002,21(5):433-472
This paper evaluates the association between welfare policies implemented by states in the early to mid-1990s and the rate at which female household heads with children exit AFDC for work or for non-work reasons. The results show that waiver policies requiring work, such as the work requirement and the elimination of exemptions for mothers of very young children, are associated with more rapid exits through employment. Incentive policies that make work more attractive by allowing mothers to remain eligible as earnings rise extend the period of welfare receipt. Neither time limits, the family cap, nor sanctions were related to welfare exits during this early period of welfare reform. Results suggest that other policies implemented in the 1993-1996 period, such as the EITC, may have also influenced welfare exits. In addition, the economy played an important supportive role in facilitating recipient exits from public assistance. While relatively high unemployment rates did not deter recipients from working, state prosperity increased the positive impact of work requirements on work exits. 相似文献
673.
Traditional approaches to themeasurement of leisure's relationship toquality of life have emphasised place-centredindicators (e.g., the frequency of leisurefacility usage) and tended to ignoreperson-centred criteria (e.g., satisfactionwith leisure experiences). Moreover, theunderlying assumption in subsequent policyoutcomes has been that increasing the number offacilities and services will automaticallyenhance people's QOL. This paper focuses onboth the content and measurement of leisure andits relationship to quality of life. Itreports the results of a study that examinedthe relative importance of selected place andperson-centred leisure attributes in predictingquality of life. The study tested a set ofobjective and subjective indicators that peopleare most concerned with in their leisure lives. Overall, it was found that the person-centredleisure attribute, leisure satisfaction, wasthe best predictor of quality of life. Place-centred attributes failed to influencequality of life. Further analysis revealedthat people who engage in social activitiesmore frequently and who are more satisfied withthe psychological benefits they derive fromleisure, experience higher levels of perceivedquality of life. The results suggest thatthere is a need to reconcile objectiveknowledge with subjective perceptions ofleisure in order to achieve greaterunderstanding and comprehensive measurement ofthis complex domain and its relationship toquality of life. 相似文献
674.
Volume Contents
Contents of Volume 57 相似文献675.
676.
Inpatient nurses work to engineer an environment in which patients and staff are physically and psychologically safe. A recent research study on an adult psychiatric unit examined the dimensions involved in keeping the unit safe. The four dimensions included ideology, people (staff and patients), space, and time. In this article, we discuss how these dimensions apply to real-world efforts to keep child and adolescent inpatient units safe. We also discuss the challenges nurses face within each of these safety dimensions, including those arising from fluctuating acuity, staffing formulas, surveillance of physical space, and entrenched unit cultures. 相似文献
677.
Alcohol consumption and related problems are common among underage college students, yet qualitative, in-depth information on how/where these students obtain alcohol is limited. We conducted focus groups pertaining to access to alcohol and related issues with 19 underage college students. They reported that alcohol is easy to obtain from a variety of sources, with friends/acquaintances who are of legal age or those with a false ID being the most common. Parties were also common sources, but "shoulder tapping" (i.e., asking a stranger to purchase alcohol) was not common. Disagreement arose over whether underage fraternity/sorority members have greater access to alcohol than non-Greeks. Our results provide updated information on the various sources of alcohol and associated issues among underage college students. 相似文献
678.
Jason D. Boardman Benjamin W. Domingue Casey L. Blalock Brett C. Haberstick Kathleen Mullan Harris Matthew B. McQueen 《Demography》2014,51(1):119-139
This study uses data from the Framingham Heart Study to examine the relevance of the gene-environment interaction paradigm for genome-wide association studies (GWAS). We use completed college education as our environmental measure and estimate the interactive effect of genotype and education on body mass index (BMI) using 260,402 single-nucleotide polymorphisms (SNPs). Our results highlight the sensitivity of parameter estimates obtained from GWAS models and the difficulty of framing genome-wide results using the existing gene-environment interaction typology. We argue that SNP-environment interactions across the human genome are not likely to provide consistent evidence regarding genetic influences on health that differ by environment. Nevertheless, genome-wide data contain rich information about individual respondents, and we demonstrate the utility of this type of data. We highlight the fact that GWAS is just one use of genome-wide data, and we encourage demographers to develop methods that incorporate this vast amount of information from respondents into their analyses. 相似文献
679.
Le Kang Kathleen Darcy James Kauderer Shu-Yuan Liao 《Journal of applied statistics》2013,40(12):2699-2719
In this article, we use a latent class model (LCM) with prevalence modeled as a function of covariates to assess diagnostic test accuracy in situations where the true disease status is not observed, but observations on three or more conditionally independent diagnostic tests are available. A fast Monte Carlo expectation–maximization (MCEM) algorithm with binary (disease) diagnostic data is implemented to estimate parameters of interest; namely, sensitivity, specificity, and prevalence of the disease as a function of covariates. To obtain standard errors for confidence interval construction of estimated parameters, the missing information principle is applied to adjust information matrix estimates. We compare the adjusted information matrix-based standard error estimates with the bootstrap standard error estimates both obtained using the fast MCEM algorithm through an extensive Monte Carlo study. Simulation demonstrates that the adjusted information matrix approach estimates the standard error similarly with the bootstrap methods under certain scenarios. The bootstrap percentile intervals have satisfactory coverage probabilities. We then apply the LCM analysis to a real data set of 122 subjects from a Gynecologic Oncology Group study of significant cervical lesion diagnosis in women with atypical glandular cells of undetermined significance to compare the diagnostic accuracy of a histology-based evaluation, a carbonic anhydrase-IX biomarker-based test and a human papillomavirus DNA test. 相似文献
680.
Did the Reagan administration disregard majority will when craftingits policy initiatives? Did it cater to a narrow partisan constituencyinstead? The answers to these questions will help with an assessmentof Jacobs and Shapiros (2000b) hypothesis that presidentssince the late 1970s have used private White House survey researchas a tool to manipulate or assuage centrist public opinion whilemeeting the policy demands of their partisan core supporters,resulting in a decline in presidential responsiveness to majoritywill. Using the actual surveys administered by Richard Wirthlin(Reagans pollster) between 1981 and 1983, this articlewill demonstrate the level of consistency between majority opinionon 129 policy issues and Reagans behavior through 1984,and it will explore the conditions under which the presidentwas more or less likely to respond to public preferences. Thedata reveal that the Reagan administration was constrained bythe popular will in predicable ways: if the policy issues wereabout domestic concerns, highly popular, and visible in themedia, then the administration acted in line with public preferencesmore than 70 percent of the time. Further, Reagan and his adviserswere selective in responding to party activists: they championedissues drawn from their conservative ideological agenda thatfit with the current tide in public opinion, while sidesteppingother issues dear to party activists that encountered strongmajority resistance. While I do not contest Jacobs and Shapiros(2000b) important observation that presidents often use surveyresearch to "craft talk" in an attempt to channel the publicdebate, the evidence here highlights how the president nonethelessremains constrained by the popular will, at least on domesticissues. 相似文献