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The purpose of this investigation was to determine the impact of students’ background knowledge and how they utilized “don’t know” affordances to comprehend and learn from text. In two studies, over 8,000 middle and high school students interacted with a content-area learning environment in which they answered a series of background knowledge questions before they completed a unit on the same topic. Students were given the opportunity to indicate they “did not know” the answers to the knowledge questions. Higher knowledge was related to higher understanding, and the use of the “don’t know” option further explained variability in students’ understanding of the sources beyond background knowledge. When responding to knowledge questions, students who selected incorrect options before the task understood less and were less likely to learn content when given the opportunity compared to students who indicated they did not know. Thus, low knowledge students were still able to comprehend and learn as long as they acknowledged they lacked background knowledge. One’s comprehension and learning can be facilitated or impaired, depending upon the veracity of their knowledge, and whether students choose to acknowledge their lack of background knowledge. Implications of this work are discussed in terms of learning and instruction.  相似文献   

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While most empirical studies show stable and high levels of subjective well-being in Western societies, other studies have documented an apparently contradictory feeling of a loss of sense of community and high levels of discontent with the way society functions. Based on an analysis of the Social Cohesion Indicators survey (SCIF, Belgium), we demonstrate that subjective well-being and one’s view on society are two distinct concepts. Both measurements are related, however, with some spill-over effects from individual well-being toward the assessment of society. Most notably, ethnocentrism does not have an impact on subjective well-being, but it has a strong negative impact on the view on society. Ethnocentrism has a strong effect on the distribution of discontent with society. We hypothesize that ethnocentric actors might still be satisfied with their own living conditions, but that they feel increasingly alienated from the culturally diverse society they live in.  相似文献   

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The classical response to Zeno’s paradoxes goes like this: ‘Motion cannot properly be defined within an instant. Only over a period’ (Vlastos.) I show that this ob-jection is exactly what it takes for Zeno to be right. If motion cannot be defined at an instant, even though the object is always moving at that instant, motion cannot be defined at all, for any longer period of time identical in content to that instant. The nonclassical response introduces discontinuity, to evade the paradox of infinite proximity of any point of a distance with any ‘next’. But it introduces the wrong sort of discontinuity because, rather than assuming the discontinuity of motion, as Quantum Theory does, it assumes the discontinuity of space. Due then to the resulting spacetime disorder, though all else is certainly lost, the Tortoise now turns up at least as fast as Achilles and hence not even this much is rescued. Zeno rejects motion because he shows that a moving object must be where it is not. Hence motion, if to occur, must violate the Law of Contradiction (LNC). Applying the concept of quantum discontinuity, I produce an alternative. If an object is to move discontinuously between two boundary points, A and B, what actually obtains is, rather, that it is nowhere at all in-between A and B. And cannot therefore be at two places in-between A and B. And cannot therefore be where it is not. Thus, LNC is conserved. However, in these conditions, the Law of the Excluded Middle (LEM) fails. To mitigate the undesirability of this effect, I show that LEM fails because LNC holds. Thus, the resulting nonbivalent logic, which is also appropriate for quantized transitions of all kinds, will always turn up nonbivalent, because consistent. And this is not too bad, considering.  相似文献   

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Applied Research in Quality of Life - The new paradigm of ‘community care’ promotes the integration of people with mental health problems in society. This reconversion in social care...  相似文献   

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Although the notion of a down low life style, called various things at various times, has a long history in the black community, the past few years have been marked by an exponential increase in attention of this phenomenon in both the mainstream press and scholarly work. However, much of this work has focused on exploring whether men on the down low present a unique threat for HIV infection to black women. Currently, there exist very few scholarly works exploring the lives of black men who have sex with men and women that specifically address their own experiences living on the down low or how these men personally define what it means to be on the down low. In this article, we explore why black men who have sex with men and black men who have sex with men and women, including those who self-identify as gay, bisexual or as being on the down low, come to use the down low label and what it means to them to be on the down low.  相似文献   

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In 1551, a resident English Dominican, Richard Marshall, sparked a fierce controversy in St Andrews, Scotland, by arguing in a sermon that the Lord’s Prayer, the ‘Our Father’, should be prayed to God only and not to the saints. According to John Foxe, the dispute led to much cursing, a regional synod, and one Franciscan fleeing the city in disgrace. The St Andrews quarrel was one of many controversies about prayer in sixteenth-century Europe. Why was prayer such a contentious topic? Scottish prayer controversies revealed a fundamental struggle between traditional and reformist views over the value of ritual in relating to God. Protestants like George Wishart, Catholic reformers like Marshall and Archbishop John Hamilton, and more radical ‘devotional humanists’ like the poet, Sir David Lindsay, proclaimed new understandings of prayer that undermined the structures of traditional devotion by pitting the personal and vernacular aspect of prayer against priestly Latin ritual.  相似文献   

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This paper discusses the Principle of Normative Invariance: ‘An action’s moral status does not depend on whether or not it is performed.’ I show the importance of this principle for arguments regarding actualism and other variations on the person-affecting restriction, discuss and rebut arguments in favor of the principle, and then discuss five counterexamples to it. I conclude that the principle as it stands is false; and that if it is modified to avoid the counterexamples, it is gutted of any interest or power.
Frances Howard-SnyderEmail:
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Giorgio Volpe 《Synthese》2012,189(2):317-336
Crispin Wright??s ??Unified Strategy?? for addressing some familiar sceptical paradoxes exploits a subtle distinction between two different ways in which we can be related to a proposition: (full-blown) belief and (mere) acceptance. The importance of the distinction for his strategy stems from his conviction that we cannot acquire any kind of evidence, either empirical or a priori, for the ??cornerstones?? of our cognitive projects, i.e., for those basic presuppositions of our inquiries that we must be warranted to endorse if we are to claim warrant for any of the beliefs formed as a result of such inquiries: regarding the idea of a non-evidential warrant to believe a proposition as a kind of ??conceptual solecism??, he doesn??t set himself the task of showing that we are evidentially warranted to believe such presuppositions, but only that of showing that we are non-evidentially warranted to accept them. In the present paper, I argue that such choice involves a fatal departure from a basic principle governing doxastic commitment??a principle that requires that we regard cornerstones propositions as propositions we are rationally committed to believe, not just entitled to accept. I press the point by presenting the Acceptance Argument, a sceptical paradox whose consideration leads to the conclusion that the Unified Strategy is caught between the Scylla of incoherently invoking a rather dubious form of epistemic alchemy and the Charybdis of placing an unexpected and apparently ad hoc restriction on the doxastic commitments we undertake by believing the things we believe. My final suggestion is that the Unified Strategy might be spared this dilemma only by undergoing a rather radical revision??a revision that would require setting aside the distinction between belief and acceptance to re-conceptualise its goal unabashedly in terms of (non-evidentially) warranted belief.  相似文献   

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This paper takes up the question of whether we can visually represent something as having semantic value. Something has semantic value if it represents some property, thing or concept. An argument is offered that we can represent semantic value based on a variety of number-color synesthesia. This argument is shown to withstand several objections that can be lodged against the popular arguments from phenomenal contrast and from the mundane example of reading.  相似文献   

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We describe a set of Tufnel problems that arise when repeated use of a fixed-point scale precipitates failures to assess a full range of subjective experiences. As empirical evidence, participants in Study 1 periodically reported their depth of mind wandering on either 5- or 7-point Likert scales during a sustained attention task. The proportion of participants providing maximum scale ratings increased quickly over time-on-task and did so more quickly for the 5-point than for the 7-point group. Participants in Study 2 completed the same task using a 10-point scale before indicating whether and where they could have used a scale extended to “11” during the task. Slightly more than 20% of participants reported needing a scale extension. This Need for 11 was associated with differences in both reports of mind wandering depth and task performance. We conclude that Tufnel problems warrant methodological consideration and reflect interesting constraints on human judgment.  相似文献   

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Searching for items in one’s environment often includes considerable reliance on semantic knowledge. The present study examines the importance of semantic information in visual and memory search, especially with respect to whether the items reside in long-term or working memory. In Experiment 1, participants engaged in hybrid visual memory search for items that were either highly familiar or novel. Importantly, the relatively large number of targets in this hybrid search task necessitated that targets be stored in some form of long-term memory. We found that search for familiar objects was more efficient than search for novel objects. In Experiment 2, we investigated search for familiar versus novel objects when the number of targets was low enough to be stored in working memory. We also manipulated how often participants in Experiment 2 were required to update their target (every trial vs. every block) in order to control for target templates that were stored in long-term memory as a result of repeated exposure over trials. We found no differences in search efficiency for familiar versus novel objects when templates were stored in working memory. Our results suggest that while semantic information may provide additional individuating features that are useful for object recognition in hybrid search, this information could be irrelevant or even distracting when searching for targets stored in working memory.  相似文献   

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Historically, feminists have engaged in a contentious debate about the dildo. Some assert that it is an oppressive tool of the patriarchy whereas others proclaim that it is a practical means of expressing lesbian, bisexual, and queer women’s sexuality. To gain some perspective into the current status of this debate, seven non-heterosexual women were interviewed about their attitudes toward dildos. Interviews were examined using inductive thematic analysis, and viewed through the lens of social constructionism. Rather than taking sides in the dildo debates, participants embraced a you do you ideology (i.e., there is no “right” or “wrong” answer when it comes to choosing whether to use or not use dildos). Three themes clustered around this overarching ideology: dildos are optional (à la carte dildo), meanings of dildos are contextually and phenomenologically determined (contextuality of the dildo), and dildos have theoretical implications (critically conscious queers). Participants’ eschewal of the binarized debate about the dildo may be entwined with changing understandings of feminist, gender, and queer theory.  相似文献   

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