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881.
Simon Blackburn 《The Journal of Ethics》2001,5(2):139-153
This paper sets out to raise questions about the metaphor of the spaceof reasons. It argues that a proper appreciation of Wittgensteinundermines the metaphysical or dualistic way of taking the metaphor thatis supposed to prevent the naturalization of reason. 相似文献
882.
Collaborative Discovery in a Scientific Domain 总被引:2,自引:0,他引:2
This study compares Pairs of subjects with Single subjects in a task of discovering scientific laws with the aid of experiments. Subjects solved a molecular genetics task in a computer micro-world (Dunbar, 1993). Pairs were more successful in discovery than Singles and participated more actively in explanatory activities (i.e., entertaining hypotheses and considering alternative ideas and justifications). Explanatory activities were effective for discovery only when the subjects also conducted crucial experiments. Explanatory activities were facilitated when paired subjects made requests of each other for explanation and focused on them. The study extends from individual to collaborative discovery activities the importance to the discovery process of setting goals to find hypotheses and evidence (Dunbar, 1993) and to construct explanations of phenomena and processes encountered in examples (Chi, Bassok, Lewis, & Glaser, 1989). 相似文献
883.
Malmberg LE Stein A West A Lewis S Barnes J Leach P Sylva K;FCCC 《Infant behavior & development》2007,30(4):615-630
The aim of this study is to compare the interaction of fathers and mothers with their 10–12 months old infants (n = 97; parental sensitivity and mood, and infant mood) during five structured contiguous play segments, and to examine the utility of individual growth modeling. Conventional comparison of means across play-segments showed that parents were equally responsive, but mothers were happier than fathers, and infants were equally happy during interaction with both parents. Sensitivity and mood were more strongly related for mothers than for fathers. Uni- and multivariate growth models revealed fine-grained patterns not seen in conventional analysis: (a) parental and infant mood decreased across play more for mothers than for fathers, (b) parental sensitivity in one play-segment predicted parental mood and infant mood in the next segment, (c) change in infants’ mood was related to change in sensitivity in mothers, and to change in mood in fathers, and (d) mothers’ sensitive interaction with the infant was predicted by family socio-demographic background. 相似文献
884.
The relationship between visually and haptically derived representations of objects is an important question in multisensory processing and, increasingly, in mental representation. We review evidence for the format and properties of these representations, and address possible theoretical models. We explore the relevance of visual imagery processes and highlight areas for further research, including the neglected question of asymmetric performance in the visuo-haptic cross-modal memory paradigm. We conclude that the weight of evidence suggests the existence of a multisensory representation, spatial in format, and flexibly accessible by both bottom-up and top-down inputs, although efficient comparison between modality-specific representations cannot entirely be ruled out. 相似文献
885.
Simon RI 《Suicide & life-threatening behavior》2007,37(5):518-526
Guns in the home are associated with a five-fold increase in suicide. All patients at risk for suicide must be asked if guns are available at home or easily accessible elsewhere, or if they have intent to buy or purchase a gun. Gun safety management requires a collaborative team approach including the clinician, patient, and designated person responsible for removing guns from the home. A call-back to the clinician from the designated person is required confirming that guns have been removed and secured according to plan. The principle of gun safety management applies to outpatients, inpatients, and emergency patients, although its implementation varies according to the clinical setting. 相似文献
886.
It has been suggested that iconic graphical signs evolve into symbolic graphical signs through repeated usage. This article reports a series of interactive graphical communication experiments using a 'pictionary' task to establish the conditions under which the evolution might occur. Experiment 1 rules out a simple repetition based account in favor of an account that requires feedback and interaction between communicators. Experiment 2 shows how the degree of interaction affects the evolution of signs according to a process of grounding. Experiment 3 confirms the prediction that those not involved directly in the interaction have trouble interpreting the graphical signs produced in Experiment 1. On the basis of these results, this article argues that icons evolve into symbols as a consequence of the systematic shift in the locus of information from the sign to the users' memory of the sign's usage supported by an interactive grounding process. 相似文献
887.
This study ascertains whether the impact of workplace injustice on counterproductive work behavior is moderated by personality and team context. A sample of 131 public-service employees completed a questionnaire that assessed the extent to which they receive distributive, procedural, and interactional justice. Furthermore, team commitment, coworker satisfaction, and Big Five personality traits were assessed. Finally, respondents estimated the frequency with which they and their colleagues engage in counterproductive behaviors. Procedural, distributive, and interactional injustice all provoked counterproductive behaviors. The effect of justice on these destructive acts diminished when team commitment was elevated, coworker satisfaction was limited, agreeableness was pronounced, and neuroticism was reduced. The findings confirm that vulnerability amplifies the impact of injustice, but interdependence can diminish this effect. 相似文献
888.
The development of collective efficacy in teams: a multilevel and longitudinal perspective 总被引:1,自引:0,他引:1
The authors developed and tested a longitudinal multilevel model of collective efficacy formation. In 50 self-managing student teams, they investigated the effects of individual-level and team-level factors on observed behaviors and the subsequent development of collective efficacy for mastering a complex team task. Self-efficacy for teamwork, task-relevant knowledge, and collective efficacy predicted individual teamwork behaviors (rated by peers). Aggregated measures of teamwork behavior were related to subsequent collective efficacy, which was significantly related to final team performance. 相似文献
889.
We argue performance in the serial reaction time (SRT) task is associated with gradations of awareness that provide examples of fringe consciousness [Mangan, B. (1993b). Taking phenomenology seriously: the “fringe” and its implications for cognitive research. Consciousness and Cognition, 2, 89–108, Mangan, B. (2003). The conscious “fringe”: Bringing William James up to date. In B. J. Baars, W. P. Banks & J. B. Newman (Eds.), Essential sources in the scientific study of consciousness (pp. 741–759). Cambridge, MA: The MIT Press.], and address limitations of the traditional SRT procedure, including criticism of exclusion generation tasks. Two experiments are conducted with a modified SRT procedure where irrelevant stimulus attributes obscure the sequence rule. Our modified paradigm, which includes a novel exclusion task, makes it easier to demonstrate a previously controversial influence of response stimulus interval (RSI) on awareness. It also allows identification of participants showing fringe consciousness rather than explicit sequence knowledge, as reflected by dissociations between different awareness measures. The NEO-PI-R variable Openness to Feelings influenced the diversity of subjective feelings reported during two awareness measures, but not the degree of learning and awareness as previously found with traditional SRT tasks [Norman, E., Price, M. C., & Duff, S. C. (2006). Fringe consciousness in sequence learning: the influence of individual differences. Consciousness and Cognition, 15(4), 723–760.]. This suggests possible distinctions between two components of fringe consciousness. 相似文献
890.
Practical meta-analysis of correlation matrices generally ignores covariances (and hence correlations) between correlation estimates. The authors consider various methods for allowing for covariances, including generalized least squares, maximum marginal likelihood, and Bayesian approaches, illustrated using a 6-dimensional response in a series of psychological studies concerning prediction of exercise behavior change. Quantities of interest include the overall population mean correlation matrix, the contrast between the mean correlations, the predicted correlation matrix in a new study, and the conflict between the existing studies and a new correlation matrix. The authors conclude that accounting for correlations between correlations is unnecessary when interested in individual correlations but potentially important if concerned with a composite measure involving 2 or more correlations. A simulation study indicates the asymptotic normal assumption appears reasonable. Because of potential instability in the generalized least squares methods, they recommend a model-based approach, either the maximum marginal likelihood approach or a full Bayesian analysis. 相似文献