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11.
The present article intends to develop some imputation methods to reduce the impact of non response at both the occasions in two-occasion successive (rotation) sampling. Utilizing the auxiliary information, which is only available at the current occasion, estimators have been proposed for estimating the population mean at the current occasion. Estimators for the current occasion are also derived as a particular case when there is non response either on the first occasion or second occasion. Behaviors of the proposed estimators are studied and their respective optimum replacement policies are also discussed. To study the effectiveness of the suggested imputation methods, performances of the proposed estimators are compared in two different situations, with and without non response. The results obtained are demonstrated with the help of empirical studies. 相似文献
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Slack Tim Kroeger Rhiannon A. Stroope Samuel Keating Kathryn Sweet Sury Jonathan Brooks Jeremy Chandler Thomas Beedasy Jaishree 《Population and environment》2021,42(4):477-500
Population and Environment - The BP Deepwater Horizon oil spill (DHOS) created widespread concern about threats to health among residents of the Louisiana Gulf Coast. This study uses data from the... 相似文献
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ABSTRACT: This paper considers the claim that explicit profit sharing reduces the marginal cost of labour This is contrasted with the view that implicit profit sharing occurs through wage bargaining Using a microeconomic data set from the UK we find no evidence that the introduction of profit sharing reduces base wages and hence the marginal cost of labour However firm profitability is found to have a positive effect on wages which supports the hypothesis of implicit profit sharing through wage bargaining These findings suggest that it is hard to justify the favourable tax treatment of profit related pay found in the UK 相似文献
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Tim S. Welch E. Megan Lachmar Silvia G. Leija Trisha Easley Adrian J. Blow Andrea K. Wittenborn 《Journal of marital and family therapy》2019,45(4):621-634
Emotionally Focused Couple Therapy (EFT) is an effective approach to working with distressed couples. It is not only effective in reducing relationship distress, but also in successfully maintaining gains over time. In the current study, we sought to understand the therapy processes that result in the creation of safety during stage one of EFT. Safety is a key ingredient in stage one, setting the stage for deeper interpersonal and intrapsychic work in later stages of treatment. In order to achieve the study aim, we analyzed video recordings of the first six sessions of a single couple case from an EFT randomized controlled trial. Using a theory building case study approach, results reveal that all expected components related to the creation of safety were achieved. Additional findings from our analyses indicate that the therapist was highly active, especially in seizing key moments in the therapy provided by this particular case, which shifted the couple in the direction of safety and deescalated their interactional cycle. Implications of key findings are discussed. 相似文献
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We describe a regression-based approach to the modelling of age-, order-, and duration-specific period fertility, using retrospective survey data. The approach produces results that are free of selection biases and can be used to study differential fertility. It is applied to Demographic and Health Survey data for Ethiopia, Kenya, Tanzania, and Zimbabwe to investigate differential trends in fertility by education. Parity progression fell and the intervals following each birth lengthened between the 1970s and 2000s in all four countries. Fertility fell most among women with secondary education. In contrast to other world regions, postponement of successive births for extended periods accounted for much of the initial drop in fertility in these African countries. However, family size limitation by women with secondary education in Ethiopia and Kenya and longer birth spacing in Zimbabwe also played significant roles. Thus, birth control is being adopted in Eastern Africa in response to diverse changes in fertility preferences. 相似文献
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This paper examines two ‘ends’ of identity online – birth and death – through the analytical lens of specific hashtags on the Instagram platform. These ends are examined in tandem in an attempt to surface commonalities in the way that individuals use visual social media when sharing information about other people. A range of emerging norms in digital discourses about birth and death are uncovered, and it is significant that in both cases the individuals being talked about cannot reply for themselves. Issues of agency in representation therefore frame the analysis. After sorting through a number of entry points, images and videos with the #ultrasound and #funeral hashtags were tracked for three months in 2014. Ultrasound images and videos on Instagram revealed a range of communication and representation strategies, most highlighting social experiences and emotional peaks. There are, however, also significant privacy issues as a significant proportion of public accounts share personally identifiable metadata about the mother and unborn child, although these issue are not apparent in relation to funeral images. Unlike other social media platforms, grief on Instagram is found to be more about personal expressions of loss rather than affording spaces of collective commemoration. A range of related practices and themes, such as commerce and humour, were also documented as a part of the spectrum of activity on the Instagram platform. Norms specific to each collection emerged from this analysis, which are then compared to document research about other social media platforms, especially Facebook. 相似文献
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‘You Feel It in Your Body’: How Australian Children and Young People Think about and Experience Feeling and Being Safe 下载免费PDF全文
In 2012, the Australian Government announced the establishment of a Royal Commission into Institutional Responses to Child Sexual Abuse. The aim of the Royal Commission is to understand how and why sexual abuse occurred within Australian institutions and to provide guidance as to how future abuse might be prevented. The Royal Commission commissioned a mixed methods study to explore what children need to be safe and to feel safe, to explore how they determine their level of safety, and their observations about how institutions act to prevent and respond to safety issues. This article reports on the findings from the first phase of the study that involved focus groups carried out with children aged 4–17 years from different types of institutions. The discussion focused particularly on how children conceptualise safety and how they make judgments about their levels of safety. Children and young people's conceptualisation of safety had multiple dimensions, which include the idea that being safe and feeling safe are two distinct, interrelated but sometimes non‐concurrent experiences; that safety is identified and experienced as a set of feelings; trusting relationships are the foundation of safety; familiarity helps children feel safe; and safe environments are those that are ordered and orderly. 相似文献
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Why similar people have different patterns of wealth accumulation is puzzling. The behavioral life-cycle hypothesis indicates self-control is an important aspect of household saving behavior. This study investigated if household wealth creation from 1994 to 2008 could be predicted by self-control among a sample of young baby boomers using National Longitudinal Survey of Youth (NLSY79) data. Variables that significantly predicted 2008 net worth included homeownership, 1994 net worth, income, bankruptcy filing, inheritance, education level, race, marital status, children, retirement planning activities, locus of control, and self-mastery. The addition of self-control predictors to a regression model improved the model’s ability to predict net worth by 1.3 % above and beyond the human capital, financial status, and demographic predictor variables. In total, the model explained 60 % of the variance in net worth. Findings indicated that individuals who invested in their human capital, were homeowners, and had higher self-control, accumulated more wealth. 相似文献