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291.
Alessandro Torza 《Philosophy and phenomenological research》2020,101(2):365-382
The threat of ontological deflationism (the view that disagreement about what there is can be non-substantive) is averted by appealing to realism about fundamental structure—or so tells us Ted Sider. In this paper, the notion of structural indeterminacy is introduced as a particular case of metaphysical indeterminacy; then it is argued that structural indeterminacy is not only compatible with a metaphysics of fundamental structure, but it can even safeguard it from a crucial objection; finally, it is shown that, if there are instances of structural indeterminacy, a hitherto unacknowledged variety of ontological deflationism will arise. Unless structure is shown to be determinate, ontological deflationism remains a live option. Furthermore, I will consider whether structural indeterminacy could be challenged by adopting a naturalistic epistemology of structure; the question is answered in the negative on the basis of a formal result concerning theory choice. Finally, I submit a new way of articulating the epistemology of structure, which hinges on the very possibility of structural indeterminacy. 相似文献
292.
Donatella Marazziti Alessandro Rotondo Silvio Presta Maria Laura Pancioli-Guadagnucci Lionella Palego Luciano Conti 《Aggressive behavior》1993,19(5):347-353
This study aimed to evaluate a peripheral serotonergic marker, 3H-imipramine (3H-IMI) binding to platelet membranes, in a group of severely aggressive subjects (A), institutionalized since childhood for mental retardation, as compared with suicide attempters (S) and healthy controls (H). The maximum binding capacity of 3H-IMI to platelet membranes was statistically lower in (A) and (S) than in (H). In addition, a statistically significant difference was observed between the Bmax values of aggressive subjects and those of suicide attempters. No changes in the dissociation constant (Kd) of IMI binding were observed. These data provide further supporting evidence for the hypothesis of an abnormality of the 5HT system in aggressive behaviour and suggest that such an abnormality, as reflected by platelet markers, is more severe in suicide attempters. © 1993 Wiley-Liss, Inc. 相似文献
293.
Loïs Schenk Miranda Sentse Margriet Lenkens Gera E. Nagelhout Godfried Engbersen Sabine Severiens 《American journal of community psychology》2020,65(1-2):149-159
Research on youth mentoring highlights the importance of the relationship quality between mentor and mentee; mentoring results in more positive outcomes when the mentee perceives the relationship as satisfying and trustworthy. Research on relationship quality shows that social skills are important for constructing new relationships. However, whereas improved social skills are often one of the main goals of youth mentoring, little is known about the importance of social skills for relationship quality in youth mentoring relations. In this study, we examined whether mentee's pre-intervention social skills were related to mentor–mentee relationship quality as perceived by the mentee, and in turn, if relationship quality was associated with post-intervention social skills. We additionally examined possible gender and age differences in these associations. Data were used from a two-wave study that assessed relationship quality and social skills before and after one semester of mentoring of 390 secondary school students in a school-based mentoring program. Results indicated that relationship quality was positively associated with post-intervention social skills. However, only for young mentees pre-intervention social skills were associated with better relationship quality. Moreover, only for young mentees, relationship quality mediated the association between pre- and post-intervention social skills. 相似文献
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296.
Stefania Balzarotti Federica Cavaletti Adriano D'Aloia Barbara Colombo Elisa Cardani Maria Rita Ciceri Alessandro Antonietti Ruggero Eugeni 《Cognitive Science》2021,45(4):e12969
The present study examined whether cinematographic editing density affects viewers’ perception of time. As a second aim, based on embodied models that conceive time perception as strictly connected to the movement, we tested the hypothesis that the editing density of moving images also affects viewers’ eye movements and that these later mediate the effect of editing density on viewers’ temporal judgments. Seventy participants watched nine video clips edited by manipulating the number of cuts (slow- and fast-paced editing against a master shot, unedited condition). For each editing density, multiple video clips were created, representing three different kinds of routine actions. The participants’ eye movements were recorded while watching the video, and the participants were asked to report duration judgments and subjective passage of time judgments after watching each clip. The results showed that participants subjectively perceived that time flew more while watching fast-paced edited videos than slow-paced or unedited videos; by contrast, concerning duration judgments, participants overestimated the duration of fast-paced videos compared to the master-shot videos. Both the slow- and the fast-paced editing generated shorter fixations than the master shot, and the fast-paced editing led to shorter fixations than the slow-paced editing. Finally, compared to the unedited condition, editing led to an overestimation of durations through increased eye mobility. These findings suggest that the editing density of moving images by increasing the number of cuts effectively altered viewers’ experience of time and add further evidence to prior research showing that performed eye movement is associated with temporal judgments. 相似文献
297.
Alessandro Mulieri 《British Journal for the History of Philosophy》2018,26(2):276-296
This article shows that a forgotten source of Marsilius’ scientia of law-making in the Defensor Pacis is the Lucidator, the main astrological work of Peter of Abano. A compared analysis of these two works demonstrates that the theories of experientia and scientia that Marsilius considers necessary to make laws in the first dictio of the Defensor Pacis entirely draw on Peter of Abano’s views on the epistemological status of ‘the science of the stars’. It is shown that the purpose of Marsilius’ reinstatement of Peter of Abano’s theory of scientia is to build a science of law-making that does not need natural law and is based on experience and certain demonstrations. 相似文献
298.
The lone gamer: Social exclusion predicts violent video game preferences and fuels aggressive inclinations in adolescent players 下载免费PDF全文
299.
Alessandro Torza 《Synthese》2013,190(4):743-779
It has been argued that a combination of game-theoretic semantics and independence-friendly (IF) languages can provide a novel approach to the conceptual foundations of mathematics and the sciences. I introduce and motivate an IF first-order modal language endowed with a game-theoretic semantics of perfect information. The resulting interpretive independence-friendly logic (IIF) allows to formulate some basic model-theoretic notions that are inexpressible in the ordinary quantified modal logic. Moreover, I argue that some key concepts of Kripke’s new theory of reference are adequately modeled within IIF. Finally, I compare the logic IIF to David Lewis counterpart theory, drawing some morals concerning the interrelation between metaphysical and semantic issues in possible-world semantics. 相似文献
300.
Y. S. Lo 《Inquiry (Oslo, Norway)》2013,56(3):331-358
Anti‐naturalistic critics of Unity of Science have often tried to establish a fundamental difference between social and physical science on the grounds that research in the social field (unlike physical research) seems to interfere with the original situations so as to make accurate predictions impossible. A ‘social’ prediction may, e.g., itself influence the course of events so that the prediction proves false. H. A. Simon has dealt with such effects of predictions in a well‐known article. Drawing on a mathematical theorem, Brouwer's so‐called fixed‐point theorem, he claims to prove that reactions to published predictions can be accounted for so that appropriately adjusted predictions can avoid being self‐destructive. The present article is an attempt to show that Simon's use of the Brouwer theorem is misplaced, and that his proof does not parry the anti‐naturalistic argument. Indeed, the burden of his proof is not really of a mathematical, but, it is argued, of a ‘protosociological’ kind. In conclusion, the article points to the fundamental inadequacy of a frame of reference which makes the ‘interference’ or ‘reaction’ effects due to people's having access to social knowledge appear strange or eccentric: as some kind of marginal irregularity causing trouble in the philosophy of (social) science. 相似文献