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Jiří Marek 《Studies in East European Thought》1977,17(1):63-80
History and the philosophy of science have played a very important role in dialectical materialism; their results have been destined to support the correctness of the ideas of Marxist philosophers, especially in their application in historical materialism.From this point of view, the circumstances of the origin of the works of the Marxist classics cannot be neglected: Engels wrote hisDialectics in Nature in the period of classical physics, and Lenin published hisMaterialism and Empirio-Criticism at the beginning of the 20th century when our modern physics first began: shortly before the publication of Lenin's book, Röntgen and Becquerel discovered new kinds of radiation, Balmer published his ideas concerning the regularity of the hydrogen spectrum, Plank wrote his first articles about the elementary quantum and Einstein published his three famous articles (1905).During this period, physicists themselves did not understand their results, so important for the further development of physics. In this atmosphere of uncertainty, Lenin — a lawyer and politician — undertook his attempt to criticise the ideas of physicists.We trace one misinterpretation by Lenin of these ideas from books by Mach and Helmholtz. 相似文献
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Multiple correspondence analysis (MCA) is a useful tool for investigating the interrelationships among dummy-coded categorical variables. MCA has been combined with clustering methods to examine whether there exist heterogeneous subclusters of a population, which exhibit cluster-level heterogeneity. These combined approaches aim to classify either observations only (one-way clustering of MCA) or both observations and variable categories (two-way clustering of MCA). The latter approach is favored because its solutions are easier to interpret by providing explicitly which subgroup of observations is associated with which subset of variable categories. Nonetheless, the two-way approach has been built on hard classification that assumes observations and/or variable categories to belong to only one cluster. To relax this assumption, we propose two-way fuzzy clustering of MCA. Specifically, we combine MCA with fuzzy k-means simultaneously to classify a subgroup of observations and a subset of variable categories into a common cluster, while allowing both observations and variable categories to belong partially to multiple clusters. Importantly, we adopt regularized fuzzy k-means, thereby enabling us to decide the degree of fuzziness in cluster memberships automatically. We evaluate the performance of the proposed approach through the analysis of simulated and real data, in comparison with existing two-way clustering approaches. 相似文献
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为探讨同伴地位影响青少年冒险行为的作用机制及条件,采用青少年冒险行为问卷、同伴提名问卷、自我控制能力问卷、同伴群体特征问卷对山东省日照市1288名初高中学生进行调查。结果发现,(1)同伴地位负向预测青少年冒险行为,该预测作用是通过交往不良同伴的中介作用实现的;(2)交往不良同伴对青少年冒险行为的预测受到个体自我控制能力的调节。对于高自我控制能力青少年,其冒险行为与交往不良同伴无关,但低自我控制能力青少年会因交往不良同伴而参与更多冒险行为。结果提示培养良好的自我素质,塑造良好的同伴环境对于青少年的健康发展有重要作用。 相似文献
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社会价值取向与反馈对动态社会两难决策的影响:以水资源两难决策为例 总被引:1,自引:0,他引:1
以水资源两难情景为实验任务,探讨了社会价值取向与反馈在社会两难决策中的作用.结果表明: (1)社会价值取向在决策者的两难决策行为中起着非常重要的作用.合作型个体比非合作型个体显著地表现出更多的合作行为.个体的社会价值取向可以作为预测两难决策行为的一个重要因素: (2)不同的反馈类型对具有不同社会价值取向的决策者的决策行为影响不同.非合作型个体受反馈信息影响比较明显,而合作型个体则不易受他人的决策信息影响. 相似文献
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中国与英国儿童对待欺负问题态度的比较研究 总被引:4,自引:0,他引:4
采用修订的Olweus欺负问卷,对中国和英国近万名(中国8937名,英国1035名)中小学儿童对待欺负的态度进行调查。结果发现:(1)中国儿童对待欺负的态度比英国儿童积极。(2)儿童对待欺负问题的态度存在性别和年龄差异。女孩比男孩对待欺负的态度较积极;小学儿童对待欺负的态度比初中儿童积极。(3)儿童在欺负/受欺负关系中的角色与其对待欺负问题的态度有联系。未参与者对欺负的态度最积极,其次是受欺负者、欺负/受欺负者,而欺负者对待欺负的态度最消极;(4)儿童对受欺负者的同情多,而去帮助受欺负者的行为倾向少。 相似文献
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The general aim of this study is to validate the cognitive relevance of the geometric model used in the semantic atlases (SA). With this goal in mind, we compare the results obtained by the automatic contexonym organizing model (ACOM)—an SA-derived model for word sense representation based on contextual links—with human subjects’ responses on a word association task. We begin by positioning the geometric paradigm with respect to the hierarchical paradigm (WordNet) and the vector paradigm (latent semantic analysis [LSA] and the hyperspace analogue to language model). Then we compare ACOM’s responses with Hirsh and Tree’s (2001) word association norms based on the responses of two groups of subjects. The results showed that words associated by 50% or more of the Hirsh and Tree subjects were also proposed by ACOM (e.g., 71% of the words in the norms were also given by ACOM). Finally, we compare ACOM and LSA on the basis of the same association norms. The results indicate better performance for the geometric model. 相似文献