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261.
J N De Luca 《Psychological reports》1968,22(3):1261-1269
262.
Ceciliani A Bardella L Grasso ML Zabonati A Robazza C 《Perceptual and motor skills》2008,106(3):775-784
This study examined the effects of climbing ladders, wall bars, perches, and ropes in changing students' attitudes and emotions associated with sport climbing. The tasks were part of a physical education instructional curriculum of primary schools in Italy. Boys and girls (N = 80), ages 10 to 11 years, were involved in a 10-lesson intervention during their curricular lesson. Participants were from six normal classes ranging in size from 16 to 18 children. Three classes were assigned randomly to an experimental group and the other three to a control group. The experimental group performed challenging climbing tasks, while the control group engaged in other physical activities. Analysis of variance indicated that scores on the Climbing Pictures Test differed significantly after the intervention, with children in the experimental group scoring lower on avoidance of climbing situations and higher on positive emotions. 相似文献
263.
Luca Moretti 《Philosophical Studies》2008,140(2):229-246
Brogaard and Salerno (2005, Nous, 39, 123–139) have argued that antirealism resting on a counterfactual analysis of truth is flawed because it commits a conditional
fallacy by entailing the absurdity that there is necessarily an epistemic agent. Brogaard and Salerno’s argument relies on
a formal proof built upon the criticism of two parallel proofs given by Plantinga (1982, Proceedings and Addresses of the American Philosophical Association, 56, 47–70) and Rea (2000, Nous, 34, 291–301). If this argument were conclusive, antirealism resting on a counterfactual analysis of truth should probably be
abandoned. I argue however that the antirealist is not committed to a controversial reading of counterfactuals presupposed
in Brogaard and Salerno’s proof, and that the antirealist can in principle adopt an alternative reading that makes this proof
invalid. My conclusion is that no reductio of antirealism resting on a counterfactual analysis of truth has yet been provided.
相似文献
Luca MorettiEmail: |
264.
Luca Moretti 《Philosophical Studies》2008,141(1):97-114
Minimal entities are, roughly, those that fall under notions defined by only deflationary principles. In this paper I provide
an accurate characterization of two types of minimal entities: minimal properties and minimal facts. This characterization
is inspired by both Schiffer’s notion of a pleonastic entity and Horwich’s notion of minimal truth. I argue that we are committed
to the existence of minimal properties and minimal facts according to a deflationary notion of existence, and that the appeal
to the inferential role reading of the quantifiers does not dismiss this commitment. I also argue that deflationary existence
is language-dependent existence—this clarifies why minimalists about properties and facts are not realists about these entities
though their language may appear indistinguishable from the language of realists.
相似文献
Luca MorettiEmail: |
265.
266.
Language acquisition may be one of the most difficult tasks that children face during development. They have to segment words from fluent speech, figure out the meanings of these words, and discover the syntactic constraints for joining them together into meaningful sentences. Over the past couple of decades, computational modeling has emerged as a new paradigm for gaining insights into the mechanisms by which children may accomplish these feats. Unfortunately, many of these models assume a computational complexity and linguistic knowledge likely to be beyond the abilities of developing young children. This article shows that, using simple statistical procedures, significant correlations exist between the beginnings and endings of a word and its lexical category in English, Dutch, French, and Japanese. Therefore, phonetic information can contribute to individuating higher level structural properties of these languages. This article also presents a simple 2-layer connectionist model that, once trained with an initial small sample of words labeled for lexical category, can infer the lexical category of a large proportion of novel words using only word-edge phonological information, namely the first and last phoneme of a word. The results suggest that simple procedures combined with phonetic information perceptually available to children provide solid scaffolding for emerging lexical categories in language development. 相似文献
267.
Corazzini LL Thinus-Blanc C Nesa MP Geminiani GC Péruch P 《Memory (Hove, England)》2008,16(7):678-688
Spatial knowledge, necessary for efficient navigation, comprises route knowledge (memory of the landmarks along a route) and survey knowledge (map-like). Available data on the retention in humans of spatial knowledge show that this does not decline systematically over months or years. Here, two groups of participants elaborated route and survey knowledge during navigation in a complex virtual environment before performing route and survey tasks. Both groups were tested 5 minutes after learning and 3 months later, while one group was also tested 1 week and 1 month later (repeated testing). Performance was similar in both groups on the first testing session, remained stable in the repeated tested group, but decreased in the non-repeated tested group, especially on route tasks. These results are the first to reveal a substantial and selective decline of spatial knowledge, occurring only if there is no possibility of reactivating knowledge along repeated testing. 相似文献
268.
Four experiments with 202 8- to 10-month-old infants studied their sensitivity to causation-at-a-distance in schematic events seen as goal-directed action and reaction by adults and whether this depends on attributes associated with animate agents. In Experiment 1, a red square moved toward a blue square without making contact; in “reaction” events blue moved away while red was approaching, whereas in “delay” events blue started after red stopped. Infants were habituated to one event and then tested on its reversal. Spatiotemporal features reversed for both events, but causal roles changed only in reversed reactions. Infants dishabituated more to reversed reaction events than to reversed delay events. Squares moved rigidly or in a nonrigid animal-like fashion. Infants discriminated these, but motion pattern did not affect responses to reversal. Infants also discriminated reactions from launching and dishabituated to reversed reactions lacking self-initiated motion. These results suggest that sensitivity to causation-at-a-distance depends on the event structure but not pattern or onset typical of animal motion. 相似文献
269.
In the Basic Local Independence Model (BLIM) of Doignon and Falmagne (Knowledge Spaces, Springer, Berlin, 1999), the probabilistic relationship between the latent knowledge states and the observable response patterns is established
by the introduction of a pair of parameters for each of the problems: a lucky guess probability and a careless error probability.
In estimating the parameters of the BLIM with an empirical data set, it is desirable that such probabilities remain reasonably
small. A special case of the BLIM is proposed where the parameter space of such probabilities is constrained. A simulation
study shows that the constrained BLIM is more effective than the unconstrained one, in recovering a probabilistic knowledge
structure. 相似文献
270.