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111.
Split labor market theory was originally advanced as a general approach explaining ethnic antagonism as the result of class-based interests. In this investigation, the threat to “high-priced” (white) labor from “cheap” (black) labor within the farm tenancy system of the postbellum South is examined as an underlying cause of the lynching of blacks by whites. Supporting this interpretation, the ratio of black to white tenants in southern counties, a measure of the level of economic threat to high-priced labor, is shown to be a strong predictor of lynching rates in the Cotton South. Findings for the Non-Cotton South, however, are inconsistent with theoretical expectations. We conclude that racial violence linked to economic competition between working-class whites and blacks was limited to that part of the South dominated by the plantation system. 相似文献
112.
Jay B. Hestbeck 《Journal of applied statistics》1995,22(5-6):737-750
Transition probabilities can be estimated when capture-recapture data are available from each stratum on every capture occasion using a conditional likelihood approach with the Arnason-Schwarz model. To decompose the fundamental transition probabilities into derived parameters, all movement probabilities must sum to 1 and all individuals in stratum r at time i must have the same probability of survival regardless of which stratum the individual is in at time i + 1. If movement occurs among strata at the end of a sampling interval, survival rates of individuals from the same stratum are likely to be equal. However, if movement occurs between sampling periods and survival rates of individuals from the same stratum are not the same, estimates of stratum survival can be confounded with estimates of movement causing both estimates to be biased. Monte Carlo simulations were made of a three-sample model for a population with two strata using SURVIV. When differences were created in transition-specific survival rates for survival rates from the same stratum, relative bias was <2% in estimates of stratum survival and capture rates but relative bias in movement rates was much higher and varied. The magnitude of the relative bias in the movement estimate depended on the relative difference between the transition-specific survival rates and the corresponding stratum survival rate. The direction of the bias in movement rate estimates was opposite to the direction of this difference. Increases in relative bias due to increasing heterogeneity in probabilities of survival, movement and capture were small except when survival and capture probabilities were positively correlated within individuals. 相似文献
113.
Jay Haley 《Journal of marital and family therapy》1975,1(1):3-13
Describing the unsettling effects of adding family therapy procedures to the offerings of a mental health clinic, the author argues that changes in the theory of causation, diagnosis, therapeutic technique, and clinical training are required in order to make such an innovation. Consequences are likely to include disorientation of the staff, radically changed administrative procedures, and others, including service to larger numbers of people and better treatment outcome. Editor. 相似文献
114.
Ronald Sackville 《The Australian journal of social issues》1974,9(1):11-28
For the most part, the Australian legal profession has failed to meet the challenge of extending the benefits of the law and legal processes to the poor. Lawyers have been assiduous in acting on behalf of wealthier beneficiaries of the welfare state, but they have not applied their skills to improve the position of those who lack substantial resources. An assessment of the role that the profession is equipped to fulfil on behalf of the poor reveals that there is much that could be done to penetrate the welfare process, if lawyers were prepared to direct their energies to that area. 相似文献
115.
Much is revealed through the contrast of two related but divergent forms. In this essay, Elizabeth Mechlingand Jay Mechlingcontrast Disneyland with a later but more loosely themed park, Marriott's Great America in Santa Clara, California. Using the perspectives and methods of semiotics in Louis Marin's Marxist reading, this essay asks, “What are the stories that Disneyland and Marriott's Great America tell?…the ways in which popular culture both teaches and evokes stories that ‘think themselves’ in our minds.” These two parks, though allied in the theme format and rooted in a common bourgeois capitalist culture, are found to promote very different attitudes and values. 相似文献
116.
Risk-taking/gambling-like behavior in preschool children 总被引:2,自引:0,他引:2
Christopher A. Kearney Ph.D. Ronald S. Drabman Ph.D. 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》1992,8(3):287-297
The types and characteristics of risk-taking or gambling-like behaviors in children are not well understood. Social learning, as one potential etiological factor of risktaking behavior in preschool children, was empirically examined. Prior to playing a risk-taking game, children in the experimental group were exposed to a peer model who had ostensibly won a large prize, whereas control children were exposed to a peer model who had won nothing. Children in the experimental group initiated more risks to win the large prize in the high-risk situation than children in the control group. The results indicated that modeling can enhance risk-taking/gambling-like behavior in young children. Parallels to compulsive gambling in adults, and recommendations for future research were also discussed.The authors wish to thank Melissa Warren and Earlene Goodman for their valuable assistance during the course of this study.Portions of this paper were presented at the meeting of the Western Psychological Association, San Francisco, CA 1991. 相似文献
117.
This paper examines some of the connecting links between modernization in a developing society, particularly urbanization and increased education for women, and preferences for number of children. Using 1973 Taiwan data, preferences for smaller families are found to be consistently related to modern attitudes and behavior in the three domains examined: intrafamilial husband-wife role relationships, extrafamilial activities of the wife, and familial and religious values relating the family to the larger institutional setting. Modernization of these attitudes, behaviors, and values has an impact on reproductive goals independent of their association with structural variables. The wife's outside activities and exposure to modern influences through the mass media are especially important linkages, having a particularly strong mediating effect in the education effect on preferences. Intrafamilial relations appear to be of less importance. Modernization of familial and religious values mediates between urbanization and family size preferences. The measure of preference used is a scale value which has been found in other research to be more predictive of reproductive behavior than the conventional single-valued statement of number of children wanted. As the level of contraceptive use rises in developing societies, family size preferences increasingly become a factor in birth rates, and understanding the sources of change in these preferences takes on added importance. The policy implications of these findings are discussed. 相似文献
118.
119.
A method and its associated computer program for (specifically communication) network analysis are described. The program described here, NEGOPY, is relational, or linkage-based. The conceptual orientation, computational algorithm, operating characteristics, format and availability of NEGOPY are described. Finally, a partial bibliography of works describing other aspects of NEGOPY and research studies using NEGOPY is included. 相似文献
120.
We consider the calculation of power functions in classical multivariate analysis. In this context, power can be expressed
in terms of tail probabilities of certain noncentral distributions. The necessary noncentral distribution theory was developed
between the 1940s and 1970s by a number of authors. However, tractable methods for calculating the relevant probabilities
have been lacking. In this paper we present simple yet extremely accurate saddlepoint approximations to power functions associated
with the following classical test statistics: the likelihood ratio statistic for testing the general linear hypothesis in
MANOVA; the likelihood ratio statistic for testing block independence; and Bartlett's modified likelihood ratio statistic
for testing equality of covariance matrices. 相似文献