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1.
二十世纪上半叶,毛泽东引领的社会变革中诞生的新道德与新政治,二者紧密结合,形成了新德治,包括新道德、新人格、新风尚。新德治是对古典德治传统的一次革命,而对于新时期的政治文化和道德建设来说,它又是直接的历史前提条件,是应该加以梳理和承接的新传统。  相似文献   

2.
Attention capture occurs when a stimulus event involuntarily recruits attention. The abrupt appearance of a new object is perhaps the most well-studied attention-capturing event, yet there is debate over the root cause of this capture. Does a new object capture attention because it involves the creation of a new object representation or because its appearance creates a characteristic luminance transient? The present study sought to resolve this question by introducing a new object into a search display, either with or without a unique luminance transient. Contrary to the results of a recent study (Davoli, Suszko, & Abrams, 2007), when the new objects transient was masked by a brief interstimulus interval introduced between the placeholder and search arrays, a new object did not capture attention. Moreover, when a new objects transient was masked, participants could not locate a new object efficiently even when that was their explicit goal. Together, these data suggest that luminance transient signals are necessary for attention capture by new objects.  相似文献   

3.
Observers performed a preview search task in which, on some trials, they had to indicate the presence of a briefly presented probe-dot. Probes could be presented on locations corresponding to old or new elements and prior to or after the presentation of the new elements. After the presentation of the new elements, probes were generally detected faster on new than on old locations, indicating prioritized selection of new elements. Prior to the presentation of the new elements, probes were detected faster on new than on old locations only when old and new elements differed in color. These results suggest that prioritized selection of new elements is mediated not by visual marking but by onset capture. Additionally, observers may apply color-based inhibition.  相似文献   

4.
《Cognitive development》1995,10(2):225-251
This study asks whether knowledge of the functional properties of a referent for a new name influences children's first guesses about whether that name refers to an object or a substance. Recent work on children's categorization suggests that children differentiate concrete objects from nonsolid substances and that their initial hypotheses about the meanings of new words are affected by this knowledge of ontological categories. In addition, some research has suggested that children approach new words with a set of biases that constrain the possible meanings of those words. Most of this work has presented children with new names in the absence of explicit information about the functional characteristics of new referents. Our hypothesis was that if children are shown the functional properties of referents, they should use that information in making their first guesses about the meanings of new words. Seventy-two 3- and 4-year-olds were shown new items with new names and were tested on their extension of each new name either to a similarly shaped item made of a different material or to a differently shaped item made of the same material. Some subjects were shown a “shape-linked” function, some a “substance-linked” function, and some no function at all. One third of the subjects heard the new names presented with count syntax, one third with mass syntax, and one third with neutral syntax. Results suggest that children do not rely on a single source of information in extending new names, but, rather, draw on various kinds of information, including the perceptual characteristics of the entities themselves and the syntax of the input.  相似文献   

5.
一个新的测量过程框架——对引入认知加工模型的再思考   总被引:1,自引:0,他引:1  
孙娟 《心理学探新》2002,22(2):41-45
从认知任务分析出发的测验设计,核心在于从认知加工的角度对项目底层作答机制作出解释。其中,能够刻画任务难度的模型最有可能与心理计量模型相结合。因而,具备成熟难度法则的各种小型理论或通用理论可以进入测量过程,实现从纯粹误差结构控制的测量到内容导引的测量的转变。在这样一个框架之下,理论对任务上作答过程的理解是否恰当,刺激特性变量与任务难度关系的揭示(即难度法则)是否准确,可以在测量的过程中进行证伪。项目反应理论还未及很好回答的效度问题,可望在这一拓展的框架中获得圆满解决。本文为新的测量过程框架提供了一个示意图。  相似文献   

6.
Abstract: It is often required to predict the scores or their variations under interest. Ishii and Watanabe (2001) investigated, in the context of psychological measurement, the Bayesian predictive distribution of a new subject’s scores for tests and subjects’ scores for a new test. In this paper, the Bayesian posterior predictive distribution of a new subject’s scores for a new parallel test were considered. And the effects of the number of subjects, the number of the tests, and the test reliability were investigated. Then, it was found that, under assumptions that (co)variance parameters are known, the predictive variance of a new subject’s score for a new test was equal to the predictive variances of the new subject’s scores for the existent tests. It was also found that the effect of the number of subjects was relatively large and the effect of the number of tests was relatively small, when a new subject’s scores for existent tests were not observed.  相似文献   

7.
本研究采用眼动技术,操纵词类型和熟悉性来探讨汉语新词的词汇化程度。结果发现,新词在眼动早期、晚期加工指标上和词汇词没有显著差异;相比低熟悉新词,高熟悉新词在凝视时间、回视时间及总注视时间上加工时间更短。研究表明部分新词已达到与《现代汉语词典》中词汇词词汇化程度的相同水平,新词与词之间没有严格的界限,熟悉性在新词词汇化过程中起到了主要作用。  相似文献   

8.
Fabio Bacchini 《Nanoethics》2013,7(2):107-119
In this paper I focus on the question of whether nanotechnology is giving rise to new ethical problems rather than merely to new instances of old ethical problems. Firstly, I demonstrate how important it is to make a general distinction between new ethical problems and new instances of old problems. Secondly, I propose one possible way of interpreting the distinction and offer a definition of a “new ethical problem”. Thirdly, I examine whether there is good reason to claim that nanotechnology is giving or will give rise to new ethical problems. My conclusion is that there are no new ethical problems in nanotechnology but merely new occurrences of certain well-known types of ethical problems. Fourthly, I consider three arguments by van de Poel (NanoEthics 2:25–28, 2008) which contradict my conclusion. I argue that my negative conclusion is consistent with the claim that certain ethical issues arising in nanotechnology may require new normative standards or new analytical tools. I conclude that it is likely that a number of ethical issues arising in nanotechnology will have a considerable impact on our ethical theories and values – and that ethical reflection on nanotechnology will be one of the mother lodes of future ethical research – in spite of the fact that no ethical problem in nanoethics will actually be “new”.  相似文献   

9.
In the classical test theory, a high-reliability test always leads to a precise measurement. However, when it comes to the prediction of test scores, it is not necessarily so. Based on a Bayesian statistical approach, we predicted the distributions of test scores for a new subject, a new test, and a new subject taking a new test. Under some reasonable conditions, the predicted means, variances, and covariances of predicted scores were obtained and investigated. We found that high test reliability did not necessarily lead to small variances or covariances. For a new subject, higher test reliability led to larger predicted variances and covariances, because high test reliability enabled a more accurate prediction of test score variances. Regarding a new subject taking a new test, in this study, higher test reliability led to a large variance when the sample size was smaller than half the number of tests. The classical test theory is reanalyzed from the viewpoint of predictions and some suggestions are made.  相似文献   

10.
James F. Moore 《Zygon》1995,30(4):613-634
Abstract. Recent developments in cosmology have enticed several thinkers to follow leads from cosmology into new possibilities in theology and philosophy. Thus, we have seen an increasing number of books and essays offering proposals for creative relations between theology and cosmology. New constructions for theology are appearing that lead us toward a new rationality in theological thinking. This rationality seems especially familiar for anyone working in feminist thought, not so much as a repristination of Enlightenment philosophy and its strongly patriarchal overtones, but rather as a new form of postmodern patriarchy that grows out of revolutions in cosmology, mathematics, and quantum physics. This sense should be tested especially by comparing these new “theologies” with other feminist visions or alternative perspectives. This comparison will not only uncover signs of a reemergence of patriarchy within the new cosmologies, but will also suggest ways in which new cosmological views can both provide a source for new creative thinking in theology and be sensitive to the best of feminist thought.  相似文献   

11.
已有研究显示,关联再认可记录到分别反映双重加工模型的两阶段(即熟悉和回忆)的ERP成分(即FN400和LPC成分),且具有高语义联系配对的关联再认可通过整合在基于熟悉加工的基础上完成。然而,不同语义联系对关联再认神经机制的影响及单个项目的熟悉和回忆加工的调节作用尚未揭示。为此,本研究比较了主题相关和类别相关图形关联再认的波形波幅异同,并分析了单个项目的熟悉和回忆加工对配对识别的影响。结果显示,主题相关和类别相关条件的旧配对、重组配对和“旧+新”配对均记录到反映熟悉加工的FN400成分,主题相关条件的旧配对、重组配对和“旧+新”配对均记录到反映回忆加工的LPC成分,类别相关条件的旧配对记录到LPC成分。表明关联再认的神经机制受语义联系所调节,单个项目的熟悉程度可影响配对识别时的神经机制,上述结论支持双重加工模型。  相似文献   

12.
Semi-sparse PCA     
Eldén  Lars  Trendafilov  Nickolay 《Psychometrika》2019,84(1):164-185

It is well known that the classical exploratory factor analysis (EFA) of data with more observations than variables has several types of indeterminacy. We study the factor indeterminacy and show some new aspects of this problem by considering EFA as a specific data matrix decomposition. We adopt a new approach to the EFA estimation and achieve a new characterization of the factor indeterminacy problem. A new alternative model is proposed, which gives determinate factors and can be seen as a semi-sparse principal component analysis (PCA). An alternating algorithm is developed, where in each step a Procrustes problem is solved. It is demonstrated that the new model/algorithm can act as a specific sparse PCA and as a low-rank-plus-sparse matrix decomposition. Numerical examples with several large data sets illustrate the versatility of the new model, and the performance and behaviour of its algorithmic implementation.

  相似文献   

13.
Mieke Donk 《Visual cognition》2013,21(7):1373-1385
The preview effect demonstrates that if observers in a visual search task are allowed a preview of a subset of elements before another subset of new elements is added, the first subset of elements does no longer compete for attentional selection. The aim of the present study was to investigate how long after the presentation of the new elements the preview effect can be preserved. Observers were presented with displays containing one set of elements (old elements) followed after a certain time interval by a second set of elements (new elements). Observers searched for the presence of a target among the new elements. The target appeared through an equiluminant colour change at varying intervals after the presentation of the new elements. The results indicated that the preview effect disappears beyond 200 ms after the presentation of the new elements. The results are discussed in terms of visual marking, temporal segregation, and onset capture.  相似文献   

14.
Tadej Strehovec 《Zygon》2009,44(4):797-806
Biotechnology deals not only with new types of therapies for preventing and curing diseases but also with the creation of new technologies for the production of human flesh. Its ultimate aim is to create a new human body, a new person. Biotechnology wears the cloak not only of a new scientific paradigm but also of a kind of messianic religion. To develop new therapies, to destroy illnesses, to transform the human body into a nonmortal one—these are some of the promises it makes. In time, many of these promises will undoubtedly prove to be illusory, but they will nevertheless continue to have a significant impact on the way people think. Through a process that I call biotechnotheological analysis I show that biotechnology could eventually become not only a type of secular religion but even a type of mythic para‐Christian religion, one that incorporates the two most significant processes at work in every mythical religion: the process of mimesis and the ritual of the scapegoat. The essay is an attempt to understand biotechnological achievements, especially in stem‐cell research, in this new biotechnotheological way.  相似文献   

15.
偏好是哲学、博弈论、决策论和效益理论等学科的核心概念,偏好及其逻辑性质在行为哲学和理性选择理论中尤其占有十分重要的地位。偏好的概念使得我们对世界的看法变得多姿多彩,它驱使着我们在尘世的种种行为选择。然而,偏好不是静止不变的,建议、命令、以及其他的信息不断改变着我们的偏好。近年来,逻辑学家们开始对偏好的改变进行深入的研究。到目前为止,关于偏好变化的模型主要有以下两种:第一、采取AGM理论研究偏好变化,给出变化的逻辑公设。第二、采用新近发展起来的动态认知逻辑的方法,对偏好的具体变化机制进行研究,给出动态偏好逻辑系统。无论是上面提到的哪种方法,都是采用定性的视角,即,偏好被表示成一个序关系。与此相反,本文采取量化的视角来研究偏好,利用偏好赋值函数给出偏好的量化语义。就逻辑语言而言,我们给出一个包括命题常元的新语言。这个语言既简练又富于表达力。基于这样的量化语义,处理偏好变化的方法就与以往的方法有所不同。根据经典的乘积更新的机制,我们提出了新的加法规则和一个参数化规则,来刻画偏好赋值的细微变化之处。同时,我们给出一个动态认知赋值逻辑,并证明其完全性。此外,我们还考虑道义逻辑最近的一些研究成果,表明本文给出的模型同样适用于道义的情境。特别是,这个新的模型能够解决困扰人们已久的义务冲突问题。最后,针对赋值偏好模型,我们定义了适用于它“赋值互模拟”。而且,我们还进一步给出了一个新的互模拟概念“距离互模拟”以结束本文。  相似文献   

16.
Watson and Humphreys (1997) have proposed that the ability to prioritize new elements over old elements involves a time-consuming process (of at least 400 msec) of active inhibition of the locations of the old elements, which they referred to asvisual marking. Recently, Donk and Theeuwes (2001) have suggested that prioritized selection of new over old elements is an instantaneous process related to the luminance change accompanying the appearance of the new elements. The aim of the present study was to test these two alternatives by investigating whether prioritized selection of new over old elements could be achieved with a very short preview of the old elements (50 msec). The results indicated that participants were able to prioritize selection of new over old elements when the new elements were presented with luminance onset whereas the old elements were not. New elements could not be prioritized if both the old and the new elements appeared with luminance onset. The results indicated that prioritization of new elements is based on an instantaneous process, rather than on a time-consuming process.  相似文献   

17.
Prioritizing selection of new elements: bottom-up versus top-down control   总被引:3,自引:0,他引:3  
Watson and Humphreys (1997) have proposed that prioritized selection of new over old elements occurs because observers can apply top-down inhibition to the locations of the old elements by a mechanism they refer to as visual marking. However, recent evidence has suggested that the top-down mechanism is questionable (Donk & Theeuwes, 2001). In the present study, we investigated whether prioritized selection of new over old elements occurs in a bottom-up or a top-down fashion. Observers were presented with displays containing one set of elements (old elements) followed, after a certain time interval, by a second set of elements (new elements). The observers were instructed to search for the presence of a target that was presented with equal probability among the old and the new elements (Experiments 1 and 2) or twice as often among the old elements than among the new elements (Experiment 3). The results show that new elements were prioritized for selection over old ones even though the observers had no incentive to do so. The results suggest that prioritized selection of new over old elements is not mediated by a top-down inhibition process, as was proposed by Watson and Humphreys (1997). Instead, prioritization of new elements appears to be a bottom-up process. The implications of these results are discussed in terms of models of attentional control.  相似文献   

18.
黄劲松  孙建伟 《心理学报》2009,41(8):737-744
以禀赋效应理论为研究基础, 通过两个情景实验对产品更换过程中买卖双方的决策心理进行了研究。实验1表明, 在以旧换新活动中新产品的买方对旧产品的价格有高估的倾向, 对新产品的价格有低估的倾向; 相反, 新产品的卖方对旧产品的价格有低估的倾向, 而对于新产品的价格有高估的倾向, 这说明产品更换决策中存在着双重的禀赋效应。实验2表明, 新产品的买方对旧产品的属性评价显著高于新产品的卖方, 对新产品的属性评价显著低于新产品的卖方, 说明属性评价也存在禀赋效应的特征。双重禀赋效应的存在从消费者行为的角度解释了为什么消费者会出现创新抵制行为。  相似文献   

19.
The visual system relies on several heuristics to direct attention to important locations and objects. One of these mechanisms directs attention to sudden changes in the environment. Although a substantial body of research suggests that this capture of attention occurs only for the abrupt appearance of a new perceptual object, more recent evidence shows that some luminance-based transients (e.g., motion and looming) and some types of brightness change also capture attention. These findings show that new objects are not necessary for attention capture. The present study tested whether they are even sufficient. That is, does a new object attract attention because the visual system is sensitive to new objects or because it is sensitive to the transients that new objects create? In two experiments using a visual search task, new objects did not capture attention unless they created a strong local luminance transient.  相似文献   

20.
Michal Adler  Susan Rungta 《Group》2002,26(4):283-296
Integrating a new member into an existing group poses many problems, both for the new member and the group as a whole. To address these, the authors propose use of a life-line technique to introduce a new member to the group. Following review of the basic narrative assumptions, a specific procedure that utilizes the life-line is described. Comments of new and old members after one typical life-line presentation are given. These comments are representative of those made on other occasions. They indicate that this life story review is therapeutically helpful and assists the process of integration of a new member into an ongoing group. Some limitations of this method are addressed in the discussion.  相似文献   

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