首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   657篇
  免费   21篇
管理学   36篇
民族学   2篇
人口学   88篇
丛书文集   1篇
理论方法论   78篇
综合类   5篇
社会学   442篇
统计学   26篇
  2023年   3篇
  2021年   2篇
  2020年   12篇
  2019年   16篇
  2018年   19篇
  2017年   33篇
  2016年   16篇
  2015年   11篇
  2014年   17篇
  2013年   133篇
  2012年   19篇
  2011年   40篇
  2010年   23篇
  2009年   18篇
  2008年   34篇
  2007年   27篇
  2006年   19篇
  2005年   22篇
  2004年   21篇
  2003年   19篇
  2002年   28篇
  2001年   15篇
  2000年   13篇
  1999年   6篇
  1998年   7篇
  1997年   9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   8篇
  1986年   2篇
  1985年   7篇
  1984年   6篇
  1983年   2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678条查询结果,搜索用时 203 毫秒
171.
This article sets out critical framing as an analytical approach in participatory video by which people investigate and analyze a topic through arts-based engagement, storyboarding, and collaborative editing. Participatory video as an action research method in self-advocacy has been discussed elsewhere. Here, the author examines critical framing and the role of generative themes in participatory analysis by describing a case study in which adults with developmental disabilities explored the dimensions of sexual health through participatory video. The author proposes that critical framing provides a more nuanced approach to participatory analysis. Credibility and trustworthiness with data triangulation and overall findings are also described.  相似文献   
172.
173.
The goal of this study was to assess the feasibility and effectiveness of two interventions aimed at reducing alcohol-related risks at community festivals--a training program for festival planners and a community organizing campaign. We randomly selected four festivals for each intervention and had 24 comparison festivals. Our assessment included process evaluation to track and evaluate types of alcohol policies resulting from each of the interventions, pre and post telephone surveys of key festival planners and law enforcement agencies, and pre and post pseudo-underage and pseudo-intoxicated purchase attempts. Analyses showed that both interventions were feasible and were successful in influencing adoption of written policies and improving alcohol-related practices. However, neither intervention appeared to decrease propensity for illegal alcohol sales at these events, likely due, in part, to the short time frame of the interventions. Future research should assess effects of the interventions on alcohol-related problems and effects of enforcement interventions.  相似文献   
174.
This paper presents estimates of daily average per capita fish consumption by age and gender for the 48 conterminous states. The estimated consumption rates are reported for three fish habitats: freshwater/estuarine fish, marine fish, and all fish. The estimates were generated from the combined 1989, 1990, and 1991 Continuing Survey of Food Intake by Individuals (CSFII), a national food consumption survey conducted by the United States Department of Agriculture (USDA). Point and interval estimates of per capita fish consumption were generated from the empirical distribution of daily average per capita consumption. The point estimates include the mean, 50th, 75th, 90th, 95th, and 99th percentiles. Ninety percent confidence intervals are provided for the estimated mean and 90% bootstrap intervals are provided for percentile estimates. Information in a recipe file provided by USDA was used to calculate the amount of fish in recipes which contain fish. The estimated consumption rates are based on the weight of fish in its prepared or "as consumed" condition. The estimated mean consumption rate for all fish for the U.S. population of the 48 conterminous states was 15.65 grams/person/day (C.I.:14.67–16.63) of which 4.71 grams/person/day (C.I.:4.17–5.25) was freshwater/estuarine fish and 10.94 grams/person/day (C.I.: 10.14–11.73) was marine fish.  相似文献   
175.
176.
We investigated the effects of distraction on attention and task performance during toddlerhood. Thirty toddlers (24‐ to 26‐month‐olds) completed different tasks (2 of each: categorization, problem solving, memory, free play) in one of two conditions: No Distraction or Distraction. The results revealed that the distractor had varying effects on performance scores depending on the task: The problem solving and memory tasks were more susceptible to distraction. In addition, the two conditions showed different patterns of attention over time. Toddlers in the No Distraction condition were more attentive, and their attention remained consistently high across the session. Toddlers in the Distraction condition increased their attention to the task and decreased their attention to the distractor in the second half of the session. This study demonstrates how the presence of distraction influences toddlers’ performance on individual cognitive tasks and contributes to our understanding of distractibility and endogenous attention during toddlerhood. This work also has implications for how environmental noise, such as background television, may influence cognitive development.  相似文献   
177.
The purpose of our investigation was to provide insight into the service domains that most heavily influenced self-reported resident satisfaction among residents in assisted living facilities. Data was gathered from the 2008 Press Ganey Assisted Living Survey. Satisfaction with service domains was measured using 7 subscales addressing the areas of activities, staff attentiveness, meals, apartment space, facility attractiveness, personal issues, and management. Generalized linear mixed models were specified to assess the influence of demographics, functional status, self-rated health, and satisfaction with service domains on resident satisfaction. In the final multivariate model self-rated health, independence with laundry and finances, and satisfaction with aides, meals and management demonstrated a significant positive effect on resident satisfaction. As the number of assisted living facilities continues to increase, senior management would be wise to consider which domains of service are particularly salient in assisted living environments.  相似文献   
178.
Imprecise measures of ovulation obscure the relationship between women's sexuality and the menstrual cycle, as does studying women with different contraceptive goals in different social contexts. Here we present a novel noninvasive method to precisely pinpoint the preovulatory surge of Luteinizing Hormone (LH), demarcating hormonally distinct cycle phases with greater than 95% reliability. Women were more sexually active on days prior to and including the preovulatory (LH) surge. This pattern was evident only when women initiated sexual activity and not when their partners did, indicating an increase in women's sexual motivation rather than attractiveness. A second study replicated the 6-day increase in sexual activity beginning 3 days before the LH surge, accompanied by stronger sexual desire and more sexual fantasies. We propose the term 'sexual phase' of the cycle, since follicular phase is over inclusive and ovulatory phase is not sufficient. These findings are striking because the women were avoiding pregnancy and were kept blind to the hypotheses, preventing expectation bias. The sexual phase was more robust in women with regular sexual partners, although the increase in sexual desire was just as great in nonpartnered women, who also reported feeling less lonely at this time. We use these results to evaluate potential neuroendocrine mechanisms underlying women's sexual motivation and activity.  相似文献   
179.
Alcohol remains the drug of choice for many adolescents; however, the nature of the relationship between athletic involvement and alcohol misuse remains ambiguous. In this article, we used a longitudinal sample of over 600 Western New York adolescents and their families to explore the gender-specific and race-specific relationships between identification with the "jock" label and adolescent alcohol consumption, specifically problem drinking. Operationalization of problem drinking included frequency measures of heavy drinking, binge drinking, and social problems related to alcohol (e.g., trouble with family, friends, school officials over drinking). Self-identified adolescent "jocks" were more likely to engage in problem drinking than their non-jock counterparts, even after controlling for gender, age, race, socioeconomic status, physical maturity, social maturity, and frequency of athletic activity. Jock identity was strongly associated with higher binge drinking frequency in Black adolescent girls. This study underscores the need to distinguish between objective and subjective meanings of athletic involvement when assessing the relationship between sport and adolescent health-risk behavior.  相似文献   
180.
Parents often provide generous financial transfers to their adult children, perhaps assisting with college expenses, recognizing major life course events, or cushioning against negative financial shocks. Because resources are limited, a transfer made to one child likely affects transfers made to others in the family. Despite such possibilities, data limitations have led previous authors to focus almost exclusively on a single type of transfer made at a single point in time. Using data from the Health and Retirement Study, we examine the relationships among parental transfers for college and later cash transfers to all children within a family. We find that parents typically spend differentially on the postsecondary schooling of their children but find no evidence that this differential spending is offset by later cash transfers.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号