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181.
The philosophy of simulation: hot new issues or same old stew? 总被引:1,自引:0,他引:1
Computer simulations are an exciting tool that plays important roles in many scientific disciplines. This has attracted the
attention of a number of philosophers of science. The main tenor in this literature is that computer simulations not only
constitute interesting and powerful new science, but that they also raise a host of new philosophical issues. The protagonists in this debate claim no less than that simulations call into question our philosophical understanding
of scientific ontology, the epistemology and semantics of models and theories, and the relation between experimentation and
theorising, and submit that simulations demand a fundamentally new philosophy of science in many respects. The aim of this
paper is to critically evaluate these claims. Our conclusion will be sober. We argue that these claims are overblown and that
simulations, far from demanding a new metaphysics, epistemology, semantics and methodology, raise few if any new philosophical
problems. The philosophical problems that do come up in connection with simulations are not specific to simulations and most
of them are variants of problems that have been discussed in other contexts before.
An erratum to this article can be found at 相似文献
182.
Watson D O'Hara MW Simms LJ Kotov R Chmielewski M McDade-Montez EA Gamez W Stuart S 《心理评价》2007,19(3):253-268
The authors describe a new self-report instrument, the Inventory of Depression and Anxiety Symptoms (IDAS), which was designed to assess specific symptom dimensions of major depression and related anxiety disorders. They created the IDAS by conducting principal factor analyses in 3 large samples (college students, psychiatric patients, community adults); the authors also examined the robustness of its psychometric properties in 5 additional samples (high school students, college students, young adults, postpartum women, psychiatric patients) who were not involved in the scale development process. The IDAS contains 10 specific symptom scales: Suicidality, Lassitude, Insomnia, Appetite Loss, Appetite Gain, Ill Temper, Well-Being, Panic, Social Anxiety, and Traumatic Intrusions. It also includes 2 broader scales: General Depression (which contains items overlapping with several other IDAS scales) and Dysphoria (which does not). The scales (a) are internally consistent, (b) capture the target dimensions well, and (c) define a single underlying factor. They show strong short-term stability and display excellent convergent validity and good discriminant validity in relation to other self-report and interview-based measures of depression and anxiety. 相似文献
183.
184.
Taxometrics is a statistical tool that can be used to discern categories from continua. Taxometric analyses (MAXCOV and MAXEIG) were conducted in a large nonclinical sample (N=1,215) to determine whether extreme anxiety forms a distinct psychopathological category, an anxiety taxon. Anxiety was operationalized with self-report measures of subjective anxiety, anxious cognitive style, physiological arousal, and anxiety-related impairment. Procedures consistently identified a taxon with a prevalence of approximately 11%. Examination of the taxon's convergent and discriminant validity revealed that it reflects general distress rather than physiological arousal. Taxon membership showed some evidence of incremental validity. 相似文献
185.
In this research, we examined the relation between reading comprehension and success in a working memory updating task. We tested the hypotheses that poor comprehenders' deficiencies are associated with a specific difficulty in the working memory updating process, particularly in controlling for information that is no longer relevant. In the first experiment, groups of poor and good comprehenders, ages 8-11 years, were administered a working memory updating task. In the second experiment a year later, a subgroup of participants involved in the first experiment was tested with a different updating task. In both experiments, poor comprehenders had less accurate recall performance and made more intrusion errors than did good comprehenders. Moreover, distinguishing intrusion errors on the basis of their permanence in memory, we found that poor comprehenders were more likely to intrude items that were maintained longer in memory than were good comprehenders. This type of error predicted reading comprehension abilities better than did working memory recall. This suggests that the relation between reading comprehension and working memory is mediated by the ability to control for irrelevant information. 相似文献
186.
187.
Our research aimed at disentangling the underlying processes of the adverse relationship between regulatory job stressors and ego depletion. Specifically, we analyzed whether state anxiety and self-control effort would mediate the within-person relationships of time pressure, planning and decision-making, and emotional dissonance with ego depletion. In addition, we also tested potential attenuating effects of situational job autonomy on the adverse effects of regulatory job stressors on state anxiety, self-control effort, and ego depletion. Based on an experience sampling design, we gathered a sample of 97 eldercare workers who provided data on 721 experience-sampling occasions. Multilevel moderated serial mediation analyses revealed that time pressure and emotional dissonance, but not planning and decision-making, exerted significant serial indirect effects on ego depletion via state anxiety and self-control effort. Finally, we found conditional serial indirect effects of all three regulatory job stressors on ego depletion as a function of job autonomy. Theoretical implications for scholarly understanding of coping with regulatory job stressors are discussed. 相似文献
188.
It is well established that great apes communicate via intentionally produced, elaborate and flexible gestural means. Yet relatively little is known about the most fundamental steps into this communicative endeavour—communicative exchanges of mother–infant dyads and gestural acquisition; perhaps because the majority of studies concerned captive groups and single communities in the wild only. Here, we report the first systematic, quantitative comparison of communicative interactions of mother–infant dyads in two communities of wild chimpanzees by focusing on a single communicative function: initiation of carries for joint travel. Over 156 days of observation, we recorded 442 actions, 599 cases of intentional gesture production, 51 multi-modal combinations and 80 vocalisations in the Kanyawara community, Kibale National Park, Uganda, and the Taï South community, Taï National Park, Côte d’Ivoire. Our results showed that (1) mothers and infants differed concerning the signal frequency and modality employed to initiate joint travel, (2) concordance rates of mothers’ gestural production were relatively low within but also between communities, (3) infant communicative development is characterised by a shift from mainly vocal to gestural means, and (4) chimpanzee mothers adjusted their signals to the communicative level of their infants. Since neither genetic channelling nor ontogenetic ritualization explains our results satisfactorily, we propose a revised theory of gestural acquisition, social negotiation, in which gestures are the output of social shaping, shared understanding and mutual construction in real time by both interactants. 相似文献
189.
Roman Murawski 《Axiomathes》2014,24(4):549-558
The aim of this paper is to present and discuss main philosophical ideas concerning logic and mathematics of a significant but forgotten Polish philosopher Benedykt Bornstein. He received his doctoral degree with Kazimierz Twardowski but is not included into the Lvov–Warsaw School of Philosophy founded by the latter. His philosophical views were unique and quite different from the views of main representatives of Lvov–Warsaw School. We shall discuss Bornstein’s considerations on the philosophy of geometry, on the infinity, on the foundations of set theory and his polemics with Stanis?aw Le?niewski as well as his conception of a geometrization of logic, of the categorial logic and of the mathematics of quality. 相似文献
190.
Early drinking onset: A study of prevalence and determinants among 13‐year‐old adolescents in Norway
Frode Adolfsen Henriette Kyrrestad Strøm Monica Martinussen Henrik Natvig Martin Eisemann Bjørn Helge Handegård Roman Koposov 《Scandinavian journal of psychology》2014,55(5):505-512
Early drinking onset is associated with different psychosocial adjustment problems among adolescents. The aim of this study was to assess determinants associated with early drinking and to identify factors predicting early drinking onset among adolescents. The study included 1,550 eighth‐graders with a mean age of 13.5 years from 41 schools. A total of 24% (boys 29%, girls 19%) had ever drunk alcohol, while 14% had drunk some alcohol in the last 30 days. Further, early drinking was associated with gender, religion, school performance, smoking and bullying in the bivariate tests. Predictors of early drinking onset were identified by generalized linear mixed models with two multivariable models created. The first model included social and environmental variables. Entering intentions, expectancies, attitudes and norms into the multivariable analysis resulted in a significant improvement of the model fit constituting 86% in the second model. The percentage correctly classified those (56%) who had been drinking in the second model which was two times higher compared to the first model. Gender, religion and smoking emerged as significant predictors of drinking in both models. 相似文献