Subset Selection Toward Optimizing the Best Performance at a Second Stage

In the search for the best of n candidates, two-stage procedures of the following type are in common use. In a first stage, weak candidates are removed, and the subset of promising candidates is then further examined. At a second stage, the best of the candidates in the subset is selected. In this article, optimization is not aimed at the parameter with largest value but rather at the best performance of the selected candidates at Stage 2. Under a normal model, a new procedure based on posterior percentiles is derived using a Bayes approach, where nonsymmetric normal (proper and improper) priors are applied. Comparisons are made with two other procedures frequently used in selection decisions. The three procedures and their performances are illustrated with data from a recent recruitment process at a Midwestern university.     

Adverse childhood experiences,post-traumatic stress disorder symptoms,and self-reported stress among traditional and nontraditional college students

Abstract

Objective: To investigate the relationships between adverse childhood experiences (ACEs), post-traumatic stress disorder symptoms (PTSD-S), and self-reported stress among college students. Participants: A total of 236 undergraduate students enrolled in nursing courses participated. Method: Using a correlational design, participants completed questionnaires online. To examine PTSD moderation between ACE and self-reported stress, multiple regression was employed. Stress outcomes were examined using a 4-group variable. Mean differences in stress response between these four groups were examined. Differences in ACE, PTSD-S, and stress response between traditional and nontraditional students were also examined. Results: PTSD-S moderated the relationship between ACEs, and self-reported stress. This indicates that students who report PTSD-S following childhood adversity perceive higher levels of stress. Nontraditional and traditional students differed in their responses to the ICLRE scale. Conclusion: Individuals who report PTSD-S following childhood adversity perceive higher levels of stress later in life. Stress reduction programs may be beneficial for students.     

Peace and Conflict Resolution Organizations in Three Protracted Conflicts: Structures,Resources and Ideology

Guided by organizational and social movement theories, this study compares the structures, resource bases, ideologies, and strategies of nongovernmental organizations engaged in peace and conflict resolution (P/CROs) in three regions with extended violent conflicts: Northern Ireland, South Africa, and Israel/Palestine. Qualitative content analysis techniques are used to analyze 27 detailed case reports. We analyze the funding patterns and structural attributes of the P/CROs in our sample, with particular attention to how they obtain fiscal resources and membership in spite of the risks they may experience. We then explore the degree of formalization among P/CROs over time and, finally, we examine the ideological frames that P/CROs use and how these frames relate to their tactics. Throughout the analysis we pay attention to how the political context of each region influences P/CRO behavior.     

Testing the monotonicity or convexity of a function using regression splines

Methods for smoothed isotonic or convex regression are useful in many applications. Sometimes the shape assumptions constitute a priori knowledge about the regression function, but often the shape is part of the research question. The authors propose tests for monotonicity and convexity using constrained and unconstrained regression splines. The tests have good large‐sample properties and the small‐sample behaviour is illustrated through simulations. Extensions to the partial linear model and the generalized regression model are presented. The Canadian Journal of Statistics 39: 89–107; 2011 © 2011 Statistical Society of Canada     

Die Implementierung des Qualitätsmanagements in sozialen Einrichtungen

The implementation of quality management in social organizations. An evaluation of the results The article presents the results of an evaluation of the introduction prozess of the quality management in social organizations. In particular it illustrates the grounds of the specific features and differences of the participation procedures in this process. A prerequisite for a success is the bottom up procedere that recognizes and uses the resources, competencies and functions of the employees and managers. A formal optimizing of the operational processes will not induce a reorientation. If it does not succeed to internalize new approaches on the basis of a longterm learning process, the quality management will remain a paper and it will fail.     

Excluded losses and the demand for insurance

The demand for insurance is examined when the insured asset can incur losses that are excluded from insurance coverage. These losses are negatively correlated with covered losses and hence cannot be treated as background risk. Excluded losses have strikingly different effects on the demand for insurance than does background risk and lead to a modification of many standard insurance demand results. A number of new theorems concerning the effects of excluded losses are also presented. Risk-averse and prudent decision makers reduce their demand for insurance when excluded losses increase in size or riskiness. Excluded losses are a possible explanation for why many decision makers fail to take up insurance when it is offered.     

Behavioral Intervention of Human Problems,Henry C. Rickard,Editor. Elmsford,New York: Pergamon Press, 1971. 422 Pages, $19.50 Hardbound

Defining “political salience” as the “timeliness, frequency, and public prominence of a response to apolitical event,” the author found in a literature review of social work education and practice, 1968–1972, a predominance of social policy and program development content, usually conceptual or analytic in approach. Discussion of practice roles, values, and skills appropriate to the new political realities of thai period were minimal. Part of the reporting gap was caused by publication policy and technology. A more rapid level of information transfer is suggested to assure course and practice material that would be useful in political and organizational terms.     

The Family Outreach Model: Tools for Engaging and Working With Families in Distress

The purpose of this article is to present a family intervention model to family service providers that builds on previous research in areas of social support and family problem solving. The Family Outreach Model provides a set of strategies for engaging and working with families in five phases of family coping at different points in time in the family's life. The strategies reflect intentional choices by family service providers about both collaborative and directive styles of therapeutic alliance and highlights ways to determine which style best fits with what specific families want and need, depending on the manner of family coping that it is using. Implications for programs and public policy are presented.