一种化简逻辑函数的新方法

介绍了一种化简逻辑函数的新方法。该方法是用寻找可消变量最小项求出本原蕴含项；用分析最小项的包含情况求出本质蕴含项；对大于四变量的函数采用分解变量的方法化简。该方法使多变量函数化简准确、迅速。文中实例的化简数据由自编软件给出。     

RAP Therapy: A Group Work Intervention Method for Urban Adolescents

ABSTRACT

The Council on Social Work Education (CSWE) places a premium on the development of cultural competence among practitioners. To this end, the present study highlights how social work practitioners, specifically group work leaders, can utilize elements of the culture of urban adolescents to develop effective group work intervention strategies. The article compares adolescent participants' perceptions of usefulness of traditional group therapy and similar group work sessions using RAP music as a conduit to support prosocial skills development. A nomenclature of three adolescent groups was tested: violent offenders, status offenders, and a control condition of high school students with no criminal history. Findings were unequivocally in favor of the RAP therapy as a tool for advancing prosocial behavior.     

Sensitive topics in social research involving children

While there is broad consensus that involving children in research is critically important for understanding their lives, there is considerable caution around their participation in social research on ‘sensitive’ issues. Such caution is further amplified by a lack of agreement about what constitutes a ‘sensitive topic’. This article draws on data from interviews with a range of Australian stakeholders, including children, parents, researchers, ethics committee members, government and non-government organisation representatives, and other decision-makers, specifically related to the question of ‘what is a sensitive topic?’. While participants identified a range of sensitive topics, findings point to sensitivities being closely linked with the contexts of children’s lives and experiences. This requires researchers to approach research in ways that reflect more nuanced understandings of these sensitivities, help address potential concerns and facilitate the development of research relationships that promote ethical conduct of research with children.     

An improved randomized response model: estimation of mean

In this paper, we suggest a new randomized response model useful for collecting information on quantitative sensitive variables such as drug use and income. The resultant estimator has been found to be better than the usual additive randomized response model. An interesting feature of the proposed model is that it is free from the known parameters of the scrambling variable unlike the additive model due to Himmelfarb and Edgell [S. Himmelfarb and S.E. Edgell, Additive constant model: a randomized response technique for eliminating evasiveness to quantitative response questions, Psychol. Bull. 87(1980), 525–530]. Relative efficiency of the proposed model has also been studied with the corresponding competitors. At the end, an application of the proposed model has been discussed.     

Reflections on engaging with an advisory network in the context of a ‘sensitive’ research study

This article surfaces issues about the often-used but widely under-reported practice of working with advisory fora. We critically reflect on our experiences working with an advisory network when co-designing a research study about a ‘sensitive’ subject. We discuss the following: 1) How the network evolved as a matter of ethical and pragmatic choices; 2) Potential issues when discussing sensitive issues ‘outside’ of the participatory or participant context; and 3) Practical and epistemic issues involved in (not) ‘taking’ advice. We suggest that although sensitive research is more conventionally aligned with more ‘radical’ forms of participatory practice, advisory networks can present a useful and sometimes more appropriate form of inclusion and engagement for some advisors and for some types of research study. The article should, therefore, be of interest to a wide range of academic and practice-based health and social care staff and, in particular, those who plan to use advisory fora in their work.     

Estimation of a rare sensitive attribute for two-stage randomized response model in probability proportional to size sampling using Poisson probability distribution

This paper addresses the estimation of the mean number of individuals in the population who possess a rare sensitive attribute using Poisson distribution for the situations of (i) clustered population and (ii) stratified population with clusters are strata units. Properties of the proposed estimation procedures have been discussed when the proportion of a rare unrelated non-sensitive attribute is assumed to be known as well as unknown. Empirical studies are carried out to support the theoretical results which showed dominance over Lee et al. [Estimation of a rare sensitive attribute in probability proportional to size measures using Poisson distribution. Statistics (Ber). 2014;48(3):685–709] estimation procedures.     

“后戏剧时代”戏曲鉴赏课程改革刍议

在后戏剧时代,戏曲鉴赏应依据戏曲所处文化空间以及传播方式的变迁,改革培养目标,树立非功利性的教育观;遵循戏曲教学规律,改革教学方式,拓展教学内容,选择科学合理、丰富多样的课程考核形式,充分发挥戏曲的人文素质教育功能。     

毛泽东认识帝国主义的方法论研究——社会主义时期

毛泽东认识帝国主义方法论的来源包括:马克思列宁主义理论;斯大林的外交实践;中国革命的历史经验;中国传统文化和智慧;毛泽东外交实践中感受到的文化冲突。毛泽东认识帝国主义方法论的内容有实事求是;独立自主;团结力量;分化整合;解放思想。毛泽东认识帝国主义方法论的运用,影响了中国的外交实践,也影响到了第三世界的对外关系以及社会主义和资本主义国家关系的发展,进而影响了世界的格局变化。毛泽东认识帝国主义的方法论具有重要的历史意义和现实意义。     

My Family through the Lens. Photo Interviews with Children and Sensitive Aspects of Family Life

We elaborate on an aspect of photo interviews with children that has so far not been considered sufficiently: Photographs may encourage children to talk about sensitive aspects of family life. The potential and limitations of this aspect are discussed along the lines of visibility and invisibility. Visualisations support children in verbalising their thoughts, but also stimulate narrations on issues that are not displayed. Data are drawn from interviews with fifty 10‐year‐old children who took photographs in their families, and their parents (n = 71). We conclude that visual methods and their combination with a multiple perspectives approach may generate substantial benefits in childhood and family research.     

中国教育的辉煌时期和给人们提出的思考

文章阐述了中国教育的三次黄金时期及其社会历史背景，分析了教育黄金时期的特点，从而对现代中国高等教育的发展提出了几点有益的思考