项目反应理论框架下的新等值方法——对数对比等值法

项目反应理论有一些以除法形式给出的多级评分模型,若采用Haebara等值法、Stocking_Lord等值法或对称相对熵等值法进行测验等值,都因其对初值有较高要求而可能导致失败。针对这一类模型,我们给出了一种新的等值方法——对数对比等值法。这种方法收敛快,对迭代初值要求低,所得结果精度较高,可以为其他等值方法提供良好的初值。研究表明,对数对比等值法还改进和推广了0-1评分的两参数Logistic模型的Logit变换等值法     

Using Cook's distance in polytomous logistic regression

The previously unknown asymptotic distribution of Cook's distance in polytomous logistic regression is established as a linear combination of independent chi‐square random variables with one degree of freedom. An exhaustive approach to the analysis of influential covariates is developed and a new measure for the accuracy of predictions based on such a distribution is provided. Two examples with real data sets (one with continuous covariates and the other with both qualitative and quantitative covariates) are presented to illustrate the approach developed.     

When less is more: Line drawings lead to greater boundary extension than do colour photographs

Is boundary extension (false memory beyond the edges of the view) determined solely by the schematic structure of the view or does the quality of the pictorial information impact this error? To examine this, colour photographs or line-drawings of 12 multi-object scenes (Experiment 1: N=64) and 16 single-object scenes (Experiment 2: N=64) were presented for 14 s each. At test, the same pictures were each rated as being the “same”, “closer-up”, or “farther away” (five-point scale). Although the layout, the scope of the view, the distance of the main objects to the edges, the background space and the gist of the scenes were held constant, line drawings yielded greater boundary extension than did their photographic counterparts for multi-object (Experiment 1) and single-object (Experiment 2) scenes. Results are discussed in the context of the multisource model and its implications for the study of scene perception and memory.     

KNOWING OURSELVES AS EMBODIED,EMBEDDED, AND RELATIONALLY EXTENDED

What does it mean to know oneself, and what is the self that one hopes to know? This article outlines the implications of an embodied understanding of persons and some aspects of the “self” that are generally ignored when thinking about our selves. The Cartesian model of body–soul (or body–mind) dualism reinforces the idea that there is within us a soul, or self, or mind that is our hidden, inner, and real self. Thus, the path to self‐knowledge is introspection. The alternative view is that persons are embodied (entirely physical creatures), embedded (formed by our physical and social environment), and at times extended (cognitively soft‐coupled to artifacts or other persons). This article emphasizes the bodily, active, contextual, relational, often simulated, and sometimes extended nature of the selves that we are, and that we hope to know.     

医院规模扩大后的医患关系思考

将3个城市4所医院2002～2004年间医院规模扩展前后的床位增加、患者反映及医疗纠纷等情况进行对比分析.4所医院后床位费、护理费较前均有所增加;医患纠纷4年间平均增长21.8%.医院规模扩大为医院的发展带来机遇的同时也隐含了一些实际问题,应尽早作出系统发展规划,寻找科学化、和谐化发展的医院管理新路径.     

对情绪智力概念的探讨

人们对情绪智力研究的兴趣渐起．但围绕情绪智力的基本概念仍存在着一些值得探讨的问题。本文对情绪智力的术语本身、概念内涵和外延以及与非智力因素、社会智力的关系进行了探讨．以冀更好地确立其在心理学中的科学地位,促进这方面理论与实践的研究。     

整合后验信息的多分属性认知诊断信效度指标

分类一致性和准确性是认知诊断评估中的重要指标,前者反映信度问题,后者反映效度问题。已有研究提出的指标均是基于二分属性,而多分属性的后验概率分布和属性边际概率分布均不同于二分属性,需要构建新指标来衡量多分属性情景下的信效度。本研究基于二分思想,构建出二元式信息指标用于计算多分属性测验中的信效度,并通过实验设计考察了新指标在多种影响因素中的表现,验证了新指标的有效性。最后,为多分属性诊断测验的编制提供了建议,并提出未来研究方向。     

解释水平对品牌联想和品牌延伸评估的影响

由于人们更加关切与其解释水平相匹配的信息、经验和事物, 解释水平能够系统性地影响人们的判断与决策。本研究将解释水平视为重要的调节变量, 探查它对消费者的品牌联想和品牌延伸评估的可能影响。实验一用于检验来源于个体差异的不同解释水平(高与低)的被试, 对于同一品牌是否产生不同形态(原型性与范例性)的品牌联想以及探查它们之间的相对数量关系。实验二采用2(解释水平：高vs.低)×2(契合类型：原型性契合vs.范例性契合)组内和组间因子混合设计, 用于检验基于时间距离的解释水平是否调节契合类型对品牌延伸评估的影响关系。实验研究结果发现：在接触到品牌名称时, 具有高水平解释倾向的消费者, 将比低水平解释倾向的消费者, 呈现更多的原型性联想; 而具有低水平解释倾向的消费者, 将比高水平解释倾向的消费者, 呈现更多的范例性联想; 在低水平解释条件下, 消费者对范例性契合延伸产品的评估要好于对原型性契合延伸产品的评估; 而在高水平解释条件下, 消费者对原型性契合延伸产品的评估要好于对范例性契合延伸产品的评估。     

The Suszko Operator. Part I.

The paper is conceived as a first study on the Suszko operator. The purpose of this paper is to indicate the existence of close relations holding between the properties of the Suszko operator and the structural properties of the model class for various sentential logics. The emphasis is put on generality both of the results and methods of tackling the problems that arise in the theory of this operator. The attempt is made here to develop the theory for non-protoalgebraic logics.