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911.
This paper compares two explanations of the process by which human communication systems evolve: iterated learning and social collaboration. It then reports an experiment testing the social collaboration account. Participants engaged in a graphical communication task either as a member of a community, where they interacted with seven different partners drawn from the same pool, or as a member of an isolated pair, where they interacted with the same partner across the same number of games. Participants' horizontal, pair-wise interactions led "bottom up" to the creation of an effective and efficient shared sign system in the community condition. Furthermore, the community-evolved sign systems were as effective and efficient as the local sign systems developed by isolated pairs. Finally, and as predicted by a social collaboration account, and not by an iterated learning account, interaction was critical to the creation of shared sign systems, with different isolated pairs establishing different local sign systems and different communities establishing different global sign systems. 相似文献
912.
Two obstacles impede the development of productive theories in personality, social, and organizational psychology. First, the distinct frameworks are seldom integrated; the various theories sometimes yield incompatible implications. Second, because many findings in these fields seem intuitive, these observations do not augment the validity of these theories. To override these issues, this paper integrates the 70 most unintuitive findings of 2007 into a unified framework, derived from personality systems interaction theory. Specifically, 10 participants extracted the most unintuitive observations from 17 scholarly journals. These findings were reconciled within a single framework that generates 41 testable propositions. The framework assumes that an associative self system, underpinned by a vast network of schemas, governs behavior as well as enhances intuition, engagement, creativity, and cooperation. When individuals experience a threat, this system is inhibited, unless the requisite defense mechanisms to accommodate potential hazards have been developed. Furthermore, individuals attempt to distance themselves from unassailable threats, which activate an analytical system that formulates plans that could accommodate future contingencies. These plans are retained in memory or executed if individuals have acquired sufficient confidence. 相似文献
913.
Jeremy R. Simon 《European Journal of Philosophy》2010,18(3):414-424
Abstract: Most commentators have assumed that Lucretius's symmetry argument against the fear of death is flawed. There remains, however, dispute as to what the flaw is. After establishing what I understand the target of Lucretius's argument to be (a desire for a longer life as such), I argue for a novel interpretation of what the flaw is, namely, that extending one's life into the time before one was actually born would be an uncertain bet for one who wanted to extend his life, whereas extending one's life beyond the time one actually dies is a sure bet. This account of what the flaw is has the particular merit of relying only on simple concepts used in everyday reasoning and thus can explain why Lucretius's argument gains no traction even in the absence of sophisticated philosophical analysis. 相似文献
914.
Drawing from Social cognitive career theory, we examined how types of contextual support (e.g., parental support and number of career counseling sessions received) influence persistence. In addition, we test the roles of career self-efficacy and career decidedness as mediating mechanisms in the relationship between these types of contextual support and persistence. One hundred forty-six undergraduate students were surveyed over three measurement periods. Data were collected from multiple sources: surveys from students and parents and students' archival data. Results provided support for our hypothesized mediated model. Time 1 student and parent ratings of support and Time 1 number of counseling sessions received were related to greater Time 2 career self-efficacy and Time 2 career decidedness. This in turn was associated with Time 3 persistence (i.e., reduced academic program turnover). Theoretical and applied implications are discussed. 相似文献
915.
Jennifer Loh Joanne R. Smith Simon Lloyd D. Restubog 《Journal of applied social psychology》2010,40(12):2947-2968
We examined how interactions among participants' cultural backgrounds (e.g., Australian vs. Singaporean) and multiple subgroups (e.g., cultural group membership, workgroup membership, organizational status) affect trust and cooperation in the workplace. University students (120 Australians, 120 Singaporeans) responded to hypothetical scenarios of cooperation and trust in the workplace. The results indicated that, for both Australians and Singaporeans, trust and cooperation were more strongly influenced by workgroup membership and organizational status than by cultural group membership. Participants trusted and cooperated more with work in‐group members than with work out‐group members, and trusted and cooperated more with superiors than with peers. Theoretical implications are discussed. 相似文献
916.
Jeremy R. Simon 《Theoretical medicine and bioethics》2010,31(5):333-346
The ontology of medicine—the question of whether disease entities are real or not—is an underdeveloped area of philosophical
inquiry. This essay explains the primary question at issue in medical ontology, discusses why answering this question is important
from both a philosophical and a practical perspective, and argues that the problem of medical ontology is unique, i.e., distinct,
from the ontological problems raised by other sciences and therefore requires its own analysis. 相似文献
917.
918.
Emmanuel Desouhant Simon Navel Emmeline Foubert Deborah Fischbein Marc Théry Carlos Bernstein 《Animal cognition》2010,13(3):535-543
Visual cues are known to be used by numerous animal taxa to gather information on quality and localisation of resources. Because
environmental lighting can interfere with the spectral features of visual cues, the specific characteristics of the colour
signals that promote forager decision and learning are still not known in the majority of insects (excepted in bees). We analysed
the effect of previous experience on the use of visual information by the wasp Venturia canescens, a parasitoid of pyralidae, in the context of host searching. These parasitoids search for hosts concealed in several fruit
species, so visual cues from the host microhabitat could play a key role in host finding. We also investigated the type of
visual cues on which wasps based their decision. We tested whether wasps are able to associate an achromatic cue (brightness)
or a chromatic one (hue, i.e. dominant wavelength and/or chroma) with the presence of hosts. Our results show that in the
context of host foraging, chromatic cues are more reliable than brightness in achieving the associative learning process.
Therefore, understanding the behavioural ecology of foraging should make use of the knowledge about the visual information
used. 相似文献
919.
Attentional capture can be contingent on attentional control settings (ACSs), such that peripheral cues influence processing for a subsequent target only when they share a critical feature with the target. Our previous demonstration that two ACSs from within the same feature category can be maintained simultaneously allows us to investigate the processing stage at which such ACSs are implemented. We compared the relative efficacy of ACSs from two different feature categories (shape and color) that are associated with different levels within the visual processing hierarchy. Participants were instructed to respond to one of two colors at one location and one of two shapes at another location, while ignoring the nontarget color and shape. We observed that spatial capture was modulated by whether the cues fit an ACS, with slightly greater contingent capture effects for ACSs defined by color than by shape. Thus, two ACSs from different feature sets (color and shape) can be maintained in parallel, although effectiveness of the control set varied with the type of feature. 相似文献
920.