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131.
Data Driven Rank Test for Two-Sample Problem 总被引:2,自引:0,他引:2
Traditional linear rank tests are known to possess low power for large spectrum of alternatives. In this paper we introduce a new rank test possessing a considerably larger range of sensitivity than linear rank tests. The new test statistic is a sum of squares of some linear rank statistics while the number of summands is chosen via a data-based selection rule. Simulations show that the new test possesses high and stable power in situations when linear rank tests completely break down, while simultaneously it has almost the same power under alternatives which can be detected by standard linear rank tests. Our approach is illustrated by some practical examples. Theoretical support is given by deriving asymptotic null distribution of the test statistic and proving consistency of the new test under essentially any alternative. 相似文献
132.
The goal of the present study was to determine to what extent an adolescent's subjective well-being is affected when changes in family structure reach a breaking point and the child can no longer stay with his family, but must be institutionalized. The participants were one hundred male and female adolescents, 12 to 19 years of age, 50 of which lived in children's homes, but were originally from 50 different families, and 50 of which lived at home with their parents. Two questionnaires were administered: (a) the French adaptation of the Life Satisfaction Scale (Blais et al., 1989) and (b) a questionnaire containing statements related to level of satisfaction in several areas, notably family relationships, body image, work and schooling, and leisure acitivites. The difference between the two groups was considerable, with more than one point separating the mean levels of satisfaction of the two groups (20% of the total length of the scale employed). A structural analysis of the results showed the direct or indirect influence of three factors related to placement in a children's home on life satisfaction: a direct effect of placement in a children's home, an indirect effect passing through the satisfaction with family life, and an indirect effect passing through the personal growth. 相似文献
133.
Population Research and Policy Review - Administrative data from multiple sources are combined to measure pregnancy (excluding those ending in abortion or miscarriage) and high school dropout in a... 相似文献
134.
Teresa Fayos Gardó Martina G. Gallarza Granizo Francisco Arteaga Moreno Elena Floristán Imizcoz 《Voluntas: International Journal of Voluntary and Nonprofit Organizations》2014,25(6):1345-1367
The phenomenon of volunteering can be analysed as a consumer experience through the concept of value as a trade-off between benefits and costs. In event volunteering, both the expected value (pre-experienced) and the perceived value (post-experienced) of volunteering can be assessed. With this purpose, an online quantitative survey is conducted with a sample of 711 volunteers in a religious mega event, with questions related to five dimensions of their experience: efficiency, social value, play, spirituality and time spent. These five scales, properly tested are used for building a multidimensional index of both the expected and perceived value of the volunteer experience. ANOVAs test show significant differences on the index in both moments upon the socio-demographic profiles: negative expectations/experience balance by age, contrasted results by sex, and more experienced volunteers being more critical with the value experienced. Implications for event managers are proposed, in line with the motivation of volunteers. 相似文献
135.
Recent trends in marital disruption 总被引:9,自引:2,他引:7
The post-1980 decline in the crude divorce rate must be interpreted in the context of the long-term trend and in terms of what we know about composition effects on crude measures-particularly given shifts in age at marriage and the age composition effects of the baby boom. Data from the June 1985 Current Population Survey permit more detailed, exposure-specific measurements as well as the use of separation as the event terminating marriage. Estimates from these data suggest a decline followed by a recovery. Taking into account well-known levels of underreporting, we find that recent rates imply that about two-thirds of all first marriages are likely to end in separation or divorce. We examine the persistence of major differences in marital stability and evaluate the comparative stability of first and second marriages. 相似文献
136.
Teresa L. Scheid-Cook 《The Sociological quarterly》1991,32(1):43-60
Outpatient commitment (OPC) permits compulsory outpatient treatment of the mentally ill. This study examines the wider institutional or normative purposes of OPC: greater social control of the mentally ill in the community and a less restrictive environment than inpatient commitment. OPC's ability to meet these contradictory institutional demands—social control and greater individual liberty—is explicated by the institutional theory of organizational activity and based on two data sources. First, case studies of four community mental health centers reveal the organizational beliefs that define OPC as social control and/or a least restrictive patient environment. Second, data collected in North Carolina from patients ordered to OPC and their primary therapists demonstrate that in practice OPC does provide both a least restrictive alternative as well as greater community social control. 相似文献
137.
SUMMARY: Recent legislation, requires local authorities to provide services such as day care for children in need. New computer techniques for geo-spatial analysis—Geographical Information Systems—ore now muck used by local authorities in planning environmental and engineering services. This article explores the extent to which these techniques can be applied to social data and, in particular, whether they are useful for strategic planning of day care and other social service provision. 相似文献
138.
Motivational factors influencing older adults diagnosed with knee osteoarthritis to join and maintain an exercise program 总被引:1,自引:0,他引:1
Damush TM Perkins SM Mikesky AE Roberts M O'Dea J 《Journal of aging and physical activity》2005,13(1):45-60
In order to provide successful interventions to increase physical activity among inactive older adults, it is imperative to understand motivational factors influencing exercise. The authors present data from 191 (baseline) and 125 (12-month) community-dwelling men and women with mean ages of 68.71 (7.47) and 67.55 (7.55) years, respectively, from a strength-training trial. Approximately 53% had diagnosed knee osteoarthritis. Using a Likert scale, participants self-reported their degree of motivation from personal, social, and environmental factors. Using multivariate analyses, the authors evaluated demographic and clinical correlates of motivational factors to join and continue with exercise. The following results were reported: Knee osteoarthritis was positively related to motivation from an organized exercise opportunity and from efficacy/outcome expectations, and knee pain was positively related to motivation from social support and experience with the exercise task. Understanding these motivators might help in targeting recruitment efforts and interventions designed to increase physical activity in older adults with lower extremity arthritis. 相似文献
139.
Rates of substantiated maltreatment documented by the 1993 and 1998 Ontario Incidence Studies of Reported Child Abuse and Neglect doubled between 1993 and 1998. Although increasing public awareness and changes in investigation procedures appear to account for part of this change, the increase also reflects a significant shift in the types of maltreatment agencies are investigating and substantiating. Exposure to spousal violence has increased eightfold, and the proportion of neglect cases has more than doubled, whereas cases of sexual abuse are decreasing. The field requires a differentiated response to address the maltreatment-specific challenges underlying child welfare caseload increases in Canada. 相似文献
140.
Fitzgerald E Caldwell BA McQuaide T 《Journal of psychosocial nursing and mental health services》2005,43(7):31-36
This article describes a collaboration between state mental health services division and a state university that focuses on the improvement of patient care services in state psychiatric hospitals. The collaboration is different from other initiatives linking state institutions and academia as it is composed of a team of psychiatrists, advanced practice nurses, and master's prepared psychiatric rehabilitation practitioners. The historical development and accomplishments are described and the process of working with a state psychiatric hospital is explored. 相似文献