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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
876.
党的十九届五中全会通过了《中共中央关于制定国民经济和社会发展第十四个五年计划和二〇三五年远景目标的建议》,开启了全面建设社会主义现代化国家新征程。会议鼓舞人心,引人深思,催人奋进。由教育部人文社会科学重点研究基地李萍所长倡议,中山大学马克思主义哲学与中国现代化研究所暨哲学系、广东哲学学会、广东伦理学学会、广东马克思主义学会、现代哲学杂志社,联合组织了以“新时代·新理念·新格局”为主题的“学习贯彻党的十九届五中全会精神”的视频会议,哲学界尤其是马克思主义哲学专业近二十位专家与会,交流学习心得,共商学术大是。这里刊登部分发言。本刊后续还将组织此一主题的专栏文章。 相似文献
877.
There is little neurological evidence linking sensation seeking and emotion regulation in adolescence, which is characterised as an emotionally fluctuant period. The present study examined the relationship between sensation seeking and emotion regulation in adolescents. Electroencephalograms were recorded from 22 high sensation-seeking adolescents (HSSs, Mage = 12.36) and 24 low sensation-seeking adolescents (LSSs, Mage = 12.84) during the reactivity and regulation-image task. Group differences in event-related brain potentials (ERPs) associated with the regulation of negative and neutral stimuli were analysed. The results showed that (a) the P2 of HSSs were larger than LSSs during emotion regulation; (b) in down-regulation conditions, the LPP in all time windows were smaller than no-regulation in LSSs. However, there was no significant difference in HSSs; (c) the LPP 300–600 and LPP 1000–1500 of down-regulation were smaller in LSSs than HSSs; (d) for LPP 600–1000, HSSs induced larger LPP than LSSs in the negative down-regulation and negative no-regulation conditions. The results provide neurological evidence that higher sensation seeking is related to the high reactivity to emotional stimuli and poor cognitive control during the regulation of emotions. 相似文献
878.
The Role of Person‐Culture Fit in Chinese Students' Cultural Adjustment in the United States: A Galileo Mental Model Approach
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This article used a Galileo multidimensional scaling model to explain how intercultural communication affected sojourners' wellbeing in their host culture through the convergence of the mental models between sojourners and host nationals with whom the sojourners communicated. Participants were 126 sojourning Chinese in the United States and 30 associated domestic Americans. Data were collected shortly after the Chinese sojourners arrived in the United States and again 3 months later. A measure of person‐culture fit was generated by comparing each Chinese sojourner's mental model with the aggregate mental model of the associated domestic Americans. Results showed that the amount of intercultural communication had a significant effect on person‐culture fit, in turn affecting sojourners' adaptation outcomes. Theoretical and practical implications of the results are discussed. 相似文献
879.
A driving simulator was used to examine the effects on driving performance of auditory cues in an in-vehicle information search task. Drivers' distraction by the search tasks was measured on a peripheral detection task. The difficulty of the search task was systematically varied to test the distraction caused by a quantified visual load. 58 participants completed the task. Performance on both search tasks and peripheral detection tasks was measured by mean response time and percent error. Analyses indicated that in-vehicle information search performance can be severely degraded when a target is located within a group of diverse distractors. Inclusion of an auditory cue in the visual search increased the mean response time as a result of a change in modality from auditory to visual. Inclusion of such an auditory cue seemed to influence distraction as measured by performance on the peripheral detection task; accuracy was lower when auditory cues were provided, and responses were slower when no auditory cues were provided. Distraction by the auditory cue varied according to the difficulty of the search task. 相似文献
880.
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