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901.
Let be the knowledge space derived from an attribution function σ on Q. Under an assumption for σ, this paper gives some necessary and sufficient conditions such that is discriminative. It also discusses the resolubility of σ when Q is an infinite set. More precisely, this paper proves that σ is not resoluble if Q is uncountable, and gives a necessary and sufficient condition such that σ is resoluble when is -well-graded. By way of applications of these results, discriminativeness and resolubility are discussed around the merge of skill multimaps and the meshing of the delineated knowledge spaces. 相似文献
902.
This paper revisits the effect of lexical ambiguity in word recognition, which has been controversial as previous research
reported advantage, disadvantage, and null effects. We discuss factors that were not consistently treated in previous research
(e.g., the level of lexical ambiguity investigated, parts of speech of the experimental stimuli, and the choice of non-words)
and report on a lexical decision experiment with Chinese nouns in which ambiguous nouns with homonymic and/or metaphorical
meanings were contrasted with unambiguous nouns. An ambiguity advantage effect was obtained—Chinese nouns with multiple meanings
were recognized faster than those with only one meaning. The results suggested that both homonymic and metaphorical meanings
are psychologically salient semantic levels actively represented in the mental lexicon. The results supported a probability-based
model of random lexical access with multiple meanings represented by separate semantic nodes. We further discuss these results
in terms of lexical semantic representation and how different experimental paradigms result in different ambiguity effects
in lexical access. 相似文献
903.
Bi Zhu Chuansheng Chen Elizabeth F. Loftus Chongde Lin Qi Dong 《Applied cognitive psychology》2010,24(9):1199-1208
This paper reports a new experimental manipulation that increased false memories 1 month after the manipulation. Mirroring the standard three‐stage misinformation paradigm (original event, misinformation, and test), subjects in the experimental group were first given a colour‐slide presentation of two stories (events), then given an accurate account (instead of misinformation) of the events in narrations, and finally tested for their memory of the original events. One month later, they underwent the standard misinformation paradigm with two new events. The comparison group was given the standard misinformation tasks at both time points. Results showed that the experimental group produced more false memories in the subsequent misinformation paradigm than did the comparison group. We focus on trust and credibility as possible mechanisms underlying this effect. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献
904.
为了比较瑞芬太尼-丙泊酚静脉麻醉与利多卡因硬膜外神经阻滞在门诊隆胸手术中的应用效果,选取ASA I级行门诊隆胸手术患者80例,随机等分为瑞芬太尼-丙泊酚静脉麻醉组(A组)和利多卡因硬膜外神经阻滞组(B组).观察两组患者围手术期的麻醉效果和术后2h内不良反应发生情况.结果显示,A组麻醉效果显著优于B组,且术后2h内发生的不良反应明显少于B组. 相似文献
905.
906.
Man Yee Ho Hong Zhang Dan Lin Aitao Lu Michael Harris Bond Clare Chan Michael Friedman 《Asian Journal of Social Psychology》2010,13(1):19-29
The current study investigated the relationships between current attachment to mother and attachment to romantic partners, and the role of current partner support and culture as moderators of that relationship. University students who were currently in a romantic relationship were recruited from Hong Kong and USA, and completed measures on attachment styles and partner support. Results showed that maternal attachment anxiety was correlated with romantic attachment anxiety; maternal attachment avoidance was correlated with romantic attachment avoidance, but this linkage varied by level of current partner support. Romantic attachment avoidance was also associated with current partner support, but this linkage was stronger for HK Chinese than for Americans. These results are discussed in terms of how interpersonal and personality factors promoted by culture can affect the developmental course of romantic relationships. 相似文献
907.
在强调皇天的至高无上性、天师之言的绝对命令性以及度世登仙的彼岸性等方面,《太平经》显示出走向绝对超越一维的理论可能。然而,天人一体互感的总体思路,又成为其最终走向绝对超越之维的内在拘限。事实上,宗教性的超越冲动与天人一体互感的传统思维框架之间形成的张力,乃是导致中国传统宗教在现世中求超越这一宿命的根本原因。 相似文献
908.
慢性强迫游泳应激对大鼠情绪和脑细胞外信号调节激酶的影响 总被引:2,自引:0,他引:2
为探讨慢性强迫游泳应激对动物情绪和脑组织细胞外信号调节激酶(extracellular signal-regulated kinase, ERK1/2)的影响,动物情绪和脑组织ERK1/2之间的关系,将动物随机分为游泳应激组、装置对照组和控制组。分别对三组大鼠给予相应的干预14天, 然后进行行为观察,免疫印记法测定海马和前脑皮质ERK1/2水平。结果表明强迫游泳应激组和装置对照组都出现明显的情绪障碍。两组大鼠ERK1/2在前脑皮质的表达水平均显著升高,海马无显著变化。前脑皮质ERK2与糖精水摄入量呈显著负相关。提示慢性强迫游泳应激能够诱导大鼠的情绪障碍,提高ERK1/2在前脑皮质的表达水平,ERK1/2与情绪关系密切,可能是脑组织应激性情绪调节的重要生理机制。强迫游泳应激能够导致动物明显的抑郁反应,是比较理想的抑郁动物模型 相似文献
909.
Yuwei Lin 《Knowledge, Technology, and Policy》2006,18(4):86-100
Unlike innovation based on a strong professional culture involving close collaboration between professionals in academia and/or
corporations, the current Free/Libre Open Source Software (FLOSS) development entails a global knowledge network, which consists
of 1) a heterogeneous community of individuals and organizations who do not necessarily have professional backgrounds in computer
science but have developed the competency to understand programming and working in a public domain; 2) corporations. This
paper describes the operation of the hybrid form of developing and implementing software, and also identifies several key
factors shaping the collaboration between FLOSS firms and the community.
She received her Ph.D. in sociology from the University of York (UK) in 2004. Her Ph.D. research investigated the heterogeneity
and contingency in the Free/Libre Open Source Software (FLOSS) social worlds, which is based on a constellation of hacking
practices, from the sociological perspective. Her principal research interests center on FLOSS studies, Science and Technology
Studies (STS), virtual communities and knowledge management. 相似文献
910.
Impact of telepresence levels on internet advertising effects. 总被引:1,自引:0,他引:1
This study examined the dimensions of interactivity and vividness to propose three telepresence levels: content presence, social presence, and personal presence. Then, an experiment investigated the impact of different telepresence levels on Internet advertising. The effects of interactions between vividness of visual imagery (VVI) and product types in relation to telepresence levels and advertising effects were also analyzed. The study employed a factorial design: 4 (levels of telepresence) x 2 (product types) x 2 (VVI). Levels of telepresence and product types were both manipulated between subjects. VVI was measured within subjects. Experimental findings showed that high levels of telepresence of an Internet advertisement increased subject recall and recognition. The low VVI respondent group would have greater recognition than traditional advertisements when respondents were exposed above the level 2 (social presence) advertisement and the effect of recognition increased from level 1 (content presence) to level 3 (personal presence). Recognition increased from level 1 (content presence) to level 2 (social presence) for both search and experience product groups; however, only recognition of the experience product group increased in level 3 (personal presence). 相似文献