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321.
An improvement on Horwich's so-called pseudo-proof of Russell's principle of induction is offered, which, we believe, avoids certain objections to the former. Although strictly independent of our other work in this area, a connection can be made and in the final section we comment on this and certain questions regarding rationality, etc.The authors would like to thank the two anonymous referees and Jeff Paris for their helpful and encouraging remarks. It goes without saying, of course, that the responsibility for any further errors, ambiguities or whatever, is entirely ours.We would also like to acknowledge the support given by the Centre of Logic. Epistemology and History of Science of the University of Campinas and, in the case of French, the Brazilian Council for Scientific and Technological Development (CNPq), in the preparation of this work. 相似文献
322.
We expose the main ideas, concepts and results about Jakowski's discussive logic, and apply that logic to the concept of pragmatic truth and to the Dalla Chiara-di Francia view of the foundations of physics.Partially supported by grants from JNICT (Portugal) and FAPESP (Brazil), Philosophy Section. Portions of this paper were concluded while the second author visited the Math-Phys Seminar at the University of Algarve (Portugal).Presented byCecylia Rauszer 相似文献
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This study outlines a simplified operant conditioning procedure for investigating discrimination based on response-produced stimuli. The method, using concurrent schedules of reinforcement, greatly reduced the complexity of the procedures and the number of training sessions necessitated by a recently offered alternative technique. Calculations of Weber’s Constant for discrimination between response-produced stimuli are presented and the relevance for learning theory of empirical studies concerning response-produced stimuli is indicated. 相似文献
327.
Christopher P. Barlett Luke W. Seyfert Matthew M. Simmers Vivian Hsueh Hua Chen Jaqueline Gomes Cavalcanti Barbara Krah Kanae Suzuki Wayne A. Warburton Randy Yee Man Wong Carlos Eduardo Pimentel Marika Skowronski 《Aggressive behavior》2021,47(1):111-119
The Barlett Gentile cyberbullying model (BGCM) posits that correlated anonymity perceptions and the belief in the irrelevance of muscularity for online bullying (BIMOB) predict positive cyberbullying attitudes to predict subsequent cyberbullying perpetration. Much research has shown the BGCM to be the only published theory that differentiates traditional and cyberbullying while validly predicting cyberbullying. So far, however, the cross‐cultural ubiquity has gone understudied. Thus, 1,592 adult participants across seven countries (USA, Australia, Brazil, China, Germany, Japan, and Singapore) completed measures germane to the BGCM. Supporting the BGCM, the variables were significantly correlated for the entire sample, participants from independent cultures, and participants from interdependent cultures. However, the relationship between BIMOB and positive cyberbullying attitudes as well as the relationship between positive cyberbullying attitudes and cyberbullying perpetration were stronger for independent cultures. These results suggest that the BGCM postulates are mostly universal, but several relations appear to be culturally different. Theoretical implications are discussed. 相似文献
328.
Doddering but dear … even in the eyes of young children? Age stereotyping and prejudice in childhood and adolescence
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Christin‐Melanie Vauclair Ricardo Borges Rodrigues Sibila Marques Carla Sofia Esteves Filipa Cunha Filomena Gerardo 《International journal of psychology》2018,53(Z1):63-70
This study aims to explore age prejudice, and to examine age stereotyping in children and adolescents by adopting the Stereotype Content Model (SCM) as a theoretical framework. It was hypothesised that children are socialised into adopting an ambivalent representation of old age (socialisation hypothesis) and that this cognitive bias becomes weaker in adolescence due to greater cognitive maturity (developmental hypothesis). By analysing representative data from Portugal (European Social Survey; N = 2367), it was ascertained that the ambivalent age stereotype (higher evaluations of warmth than competence for older people) is indeed a shared social representation of older people in Portuguese society. A total of 103 Portuguese children (6–10 year olds) and adolescents (11–15 year olds) were then sampled from a local school and responded to age‐appropriate measures assessing age prejudice as well as age stereotypes. Contrary to previous studies, the findings do not provide evidence for the existence of age prejudice because both children and adolescents reported positive feelings towards older people. However, the socialisation hypothesis was corroborated by showing that the ambivalent old age stereotype was already present in childhood. Contrary to the stipulated developmental hypothesis, the magnitude of this cognitive bias was very similar in adolescence. 相似文献
329.
Rodrigo Gomes da Rosa Natalia Andrea Gomeñuka Henrique Bianchi de Oliveira 《Journal of motor behavior》2018,50(1):73-79
Although studied at level surface, the trunk kinematics and pelvis-shoulder coordination of incline walking are unknown. The aim of this study was to evaluate the speed effects on pelvis-shoulder coordination and trunk movement and the cost of transport (C) during unloaded and loaded (25% of body mass) 15% incline walking. We collected 3-dimensional kinematic and oxygen consumption data from 10 physically active young men. The movements were analyzed in the sagittal plane (inclination and range of trunk motion) and the transverse plane (range of shoulder and pelvic girdle motion and phase difference). The rotational amplitude of the shoulder girdle decreased with load at all speeds, and it was lower at the highest speeds. The rotational amplitude of the pelvic girdle did not change with the different speeds. The phase difference was greater at optimal speed (3 km.hr?1, at the lowest C) in the loaded and the unloaded conditions. The trunk inclination was greater with load and increased with speed, whereas the range of trunk motion was lower in the loaded condition and decreased with increasing speed. In conclusion, the load decreased the range of girdles and trunk motion, and the pelvis-shoulder coordination seemed to be critical for the incline walking performance. 相似文献
330.
Eduardo André da Silva Oliveira Carlos José Cabral-Cardoso 《The Journal of psychology》2018,152(1):36-59
Building on the social identity approach and the HRM literature, this two-wave cross-sectional study examined the effects of negative age-based metastereotypes on the age-based stereotype threat experience of older workers and on organizational disidentification. The moderator role of HRM practices in the relationship between negative age-based metastereotypes and age-based stereotype threat was also investigated. Older workers survey results (n = 469) from 14 manufacturing companies indicated that negative age-based metastereotypes correlate positively with stereotype threat. Moderation results showed that age-awareness HRM practices (training for older workers) reinforced age-based stereotype threat, whereas general HRM practices (recognition and respect) impaired it. The article suggests that the combination of age-based metastereotypes with a stereotype threat framework contributes to further understand older workers' beliefs and attitudes. It also indicates that to be effective, HRM practices should emphasize positive social identities older workers share with their colleagues, rather than giving older workers special treatment that may, after all, reinforce stigmatization. 相似文献