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81.
Maureen T Hallinan 《Social Networks》1979,1(2):193-210
This paper poses two questions about the process of friendship formation: what is the relative stability of asymmetric and mutual friendship dyads and what is the nature of change in asymmetric dyads over time? These questions are examined in longitudinal sociometric data from five elementary classes. Change in friendship choices is shown to be at least partially embeddable as a continuous time, stationary Markov process and the unique Q matrices governing the process are determined. The findings show that unreciprocated friendship choices of the children in the sample are less stable than reciprocated choices and that their unreciprocated choices tend to be withdrawn rather than reciprocated over time. 相似文献
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This article introduces the special issue of Children and Youth Services Review devoted to single mothers with children in foster care. It delineates the policy context in which mothers are operating; examines reasons for mothers' temporary loss of custody of their children, a loss that occurs when their children are placed in foster care; presents expectations of mothers once they enter the public child welfare system; and summarizes empirical and theoretical papers included in the volume intended to advance policy and practice for this population. Taken together, these papers reflect one over-arching theme—the need to re-orient child welfare policy and practice so that the rehabilitation, health, and well-being of mothers is one of the central aims. 相似文献
86.
Maureen Miner 《The Australian journal of social issues》1991,26(1):24-34
This study investigated self image, depression, hopelessness and locus of control in 30 adolescents who had lived away from home for at least six months, together with relationships between maladjustment and poor experiences at home and at school prior to leaving home. Comparisons were made with 120 adolescents living at home who were employed, unemployed, at school or at tertiary institutions. It was found that the homeless youth were more depressed and hopeless, with poorer self image than all groups excepting unemployed adolescents. Maladjustment was correlated with negative home and school experiences. These results are discussed in terms of the debate between psychological and sociological approaches to runaway behaviour, as well as the need for assessment and treatment services to be provided for long term homeless youth. 相似文献
87.
Public relations as a communication function is emerging as an important organizational process in many parts of the world. This paper examines the development of public relations in a transitional economy: Bosnia-Herzegovina. Data from 38 newly privatized organizations show the perceived potential for public relations as these organizations attempt to communicate with new publics and gain market share in a difficult business environment. The results suggest that Bosnian public relations managers understand public relations as a relationship building function but are constrained from fulfilling this function by the realities of a transitional economy. 相似文献
88.
Sarah E. Hampson Judy A. Andrews Maureen Barckley Michael E. Lee Edward Lichtenstein 《Risk analysis》2003,23(5):1021-1029
Two approaches to measuring perceptions of synergistic risk were compared, one using the traditional Likert scale, the other using an anchored, relative scale. Perception of synergistic risk was defined as rating the combined hazard as more risky than each of its constituent single hazards. In a within-subjects design, a convenience sample from the community (N= 604) rated three hazard combinations and their constituents: Driving while Intoxicated (familiar, high synergy), Radon and Smoking (unfamiliar, high synergy), and Smoking and Driving (familiar, low synergy), on both scales. The relative scale was expected to be a more sensitive measure of synergy than the Likert scale. The effects of item order (single hazards rated first versus combined hazards rated first) were examined between subjects. Driving while Intoxicated was perceived by the large majority of participants as a synergistic risk on both scales, but neither of the other two combined hazards were rated synergistically on either scale. The relative scale demonstrated a slight advantage over the Likert scale, and presenting the single hazards first for the relative scale produced more synergistic ratings. It is recommended that anchored, relative scales be used to measure synergy and that single hazards be presented prior to the combined hazards when using relative scales. 相似文献
89.
Three methods of training in family assessment were evaluated. Method I employed traditional classroom lecture along with demonstration videotapes prepared by faculty. Method II used small group discussion with the same videotapes. Method III incorporated an experiential task in which the students conducted a family interview and presented their own videotapes for small group discussion. Parallel pre and post tests were developed to measure knowledge and skills in family assessment. Results showed a significant gain in scores between pre and post measures, but the gains did not differ significantly between the three teaching methods. Logistic considerations led to the conclusion that the method of choice is Method I. 相似文献
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