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We propose relational data modeling as a tool for replacing the ad hoc and uncoordinated approaches commonly used throughout the social sciences to gather, store, and disseminate data. We demonstrate relational data modeling using global electoral and political institutional data. We define a relational data model as a map of concepts, their attributes, and the relationships between concepts developed using a formal language and according to a set of rules. To demonstrate the methodology, we design a simple relational data model of six concepts: countries, parties, elections, districts, institutions, and election results. Furthermore, we introduce a data model to solve the particularly vexing issue of party discontinuity (party splits, mergers, and alliances). We show how the solution facilitates computational tasks, such as the calculation of core measures of political phenomena (ex: electoral volatility). Ultimately, a relational data approach will play a central role in collective investments to develop advanced data capabilities, and thereby advance the accuracy, pace, and transparency of scholarship in the social sciences.  相似文献   
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The purpose of this qualitative study was to explore how newly married couples construct and reconstruct commitment through events in courtship and early marriage. Fifteen newly married couples, 30 participants, were interviewed individually. Through the use of grounded theory six different themes (friendship, gradual process, positive examples, negative examples, planning for the future, and words of affirmation) emerged in the construction, origination, and communication of commitment. The results of this study have specific implications for theory, research, and practice with young adult couples. The concept of resilient commitment is introduced and briefly discussed.  相似文献   
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The gender paradox in mortality--where men die earlier than women despite having more socioeconomic resources--may be partly explained by men's lower levels of preventive health care. Stereotypical notions of masculinity reduce preventive health care; however, the relationship between masculinity, socioeconomic status (SES), and preventive health care is unknown. Using the Wisconsin Longitudinal Study, the authors conduct a population-based assessment of masculinity beliefs and preventive health care, including whether these relationships vary by SES. The results show that men with strong masculinity beliefs are half as likely as men with more moderate masculinity beliefs to receive preventive care. Furthermore, in contrast to the well-established SES gradient in health, men with strong masculinity beliefs do not benefit from higher education and their probability of obtaining preventive health care decreases as their occupational status, wealth, and/or income increases. Masculinity may be a partial explanation for the paradox of men's lower life expectancy, despite their higher SES.  相似文献   
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Methylene chloride has been shown to be a lung and liver carcinogen in the mouse; yet, the current epidemiologic data show no adverse health effects associated with chronic exposure to this compound. Hearne et al. have compared the results of a large mortality study on occupational exposure to methylene chloride to the human risk predictions based on the rodent bioassay to point out the inconsistency between the animal toxicologic and human epidemiologic data. The maximum number of lung and liver cancers predicted due to methylene chloride exposure based on the rodent bioassay data was 24 compared to 14 deaths from these cancers actually observed in the Hearne et al. epidemiology study. We assess the minimum risk detectable by the human study in order to calculate the upperbound potency of methylene chloride and compare it to the potency derived from the bioassay data. Results from the epidemiology study imply an upperbound potency of 1.5 x 10(-2) per ppm, compared to 1.4 x 10(-2) per ppm calculated using the most conservative analysis of the animal data. We conclude that the negative epidemiology study of Hearne et al. is not sufficiently powerful to show that the risk is inconsistent with the human risk estimated by modeling the rodent bioassay data. Specifically, the doses to which the workers were exposed, the population studied, and the latency period were not adequate to determine that the risks are outside the bounds of the risk estimates predicted by low-dose modeling of the animal data.  相似文献   
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Drawing on a qualitative analysis of Swedish newspaper debates in 1979 and 1995, this article examines how Swedish newspapers refer to biological sex difference as central to drinking practices. The study shows that women are a special category of concern in debate about gender and drinking in both 1979 and 1995. Further, it shows that Swedish newspapers draw upon biology in different ways in the two years. In 1979, debate about drinking during pregnancy and Fetal Alcohol Syndrome (FAS) is central and newspapers link biomedical research on FAS to the moral idea that mothers do anything to avoid harm to children. In 1995, debate about girls' drinking habits is central and newspapers link sex hormones and neurotransmitters to the moral idea that girls shouldn't “drink like men.” These differences are discussed in the context of Swedish media interest in evolutionary psychology and biomedical solutions to alcohol problems during the 1990s.  相似文献   
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Homelessness: a proposal for a global definition and classification   总被引:1,自引:0,他引:1  
On the base of an analysis of the definitions of homelessness currently in use, first a change of the notion “homelessness” to “houselessness” is proposed. Houseless persons are then defined as those sleeping rough or using public or private shelters. To better understand the causes of houselessness, its environment is involved in this classification under the notion of inadequate shelter. This comprises the following non-exclusive categories: risk of houselessness, concealed houselessness and substandard housing situations. This classification has the advantage to be adaptable to regional and national differences, while at the same time providing a global basis for data collection and comparison.  相似文献   
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Children of incarcerated parents are five to six times more likely to go to prison than their peers (Johnston, 1995). Yet, there is a lacuna in the literature that examines the effectiveness of interventions for children with an incarcerated family member. The purpose of the present study is to describe a solution-focused, mutual aid group intervention and to examine the effects of the group on the self-esteem of elementary-age Hispanic children of incarcerated parents when compared to a no-treatment comparison group. Implications for social work practice and research with this vulnerable population are addressed.  相似文献   
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Prior research has examined race and class bias embedded in media presentations of pregnant drug users; however, this past research is limited in identifying biases because it focuses on single substances—primarily crack cocaine. I build on this work by conducting a comparative analysis of more than 15 years worth of New York Times articles on three drugs (crack cocaine, alcohol, and tobacco) used during pregnancy. These three drugs have varying levels of deleterious effects on fetal development and infant health, as well as varying levels of use by poor and minority women. Because of this variation, I am able to assess whether media coverage of pregnant drug‐using women is proportional to the documented adverse consequences of specific drugs or, rather, whether media coverage is higher and more negative for poor and minority pregnant women regardless of the degree of adverse health consequences associated with the specific drug used. Through this analysis, I demonstrate that the prevalence and framing of news stories about pregnant drug‐using women has little to do with protecting the health of children. Rather, concern for children is a rhetorical tool used to define poor and minority women as bad mothers and blame them for contemporary changes in families.  相似文献   
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