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351.
Past research has implicitly assumed that only mean levels of trust and monitoring in teams are critical for explaining their interrelations and their relationships with team performance. In this article, the authors argue that it is equally important to consider the dispersion in trust and monitoring that exists within teams. The authors introduce "trust asymmetry" and "monitoring dissensus" as critical dispersion properties of trust and monitoring and hypothesize that these moderate the relationships between mean monitoring, mean trust, and team performance. Data from a cross-lagged panel study and a partially lagged study support the hypotheses. The first study also offered support for an integrative model that includes mean and dispersion levels of both trust and monitoring. Overall, the studies provide a comprehensive and clear picture of how trust and monitoring emerge and function at the team level via mean and dispersion. 相似文献
352.
The interdependent motives of cooperation and competition are integral to adaptive social functioning. In three experiments, we provide novel evidence that both cooperation and competition goals enhance perceptual acuity for both angry and happy faces. Experiment 1 found that both cooperative and competitive motives improve perceivers?? ability to discriminate between genuine and deceptive smiles. Experiment 2 revealed that both cooperative and competitive motives improve perceivers?? perceptual sensitivity to subtle differences among happy and angry facial expressions. Finally, Experiment 3 found that the motivated increase in perceptual acuity for happy and angry expressions allows perceivers to overcome the effects of visual noise, relative to unmotivated control participants. Collectively, these results provide novel evidence that the interdependent motives of cooperation and competition can attune visual perception, accentuating the subjectively experienced signal strength of anger and happiness. 相似文献
353.
Stocker K 《Cognitive Science》2012,36(3):385-420
This article provides the first comprehensive conceptual account for the imagistic mental machinery that allows us to travel through time--for the time machine in our mind. It is argued that language reveals this imagistic machine and how we use it. Findings from a range of cognitive fields are theoretically unified and a recent proposal about spatialized mental time travel is elaborated on. The following novel distinctions are offered: external versus internal viewing of time; 'watching" time versus projective 'travel" through time; optional versus obligatory mental time travel; mental time travel into anteriority or posteriority versus mental time travel into the past or future; single mental time travel versus nested dual mental time travel; mental time travel in episodic memory versus mental time travel in semantic memory; and 'seeing" versus 'sensing" mental imagery. Theoretical, empirical, and applied implications are discussed. 相似文献
354.
Recently, two corvid species, food-caching ravens and non-caching jackdaws, have been tested in an exclusion performance (EP)
task. While the ravens chose by exclusion, the jackdaws did not. Thus, foraging behaviour may affect EP abilities. To investigate
this possibility, another food-caching corvid species, the carrion crow (Corvus corone corone), was tested in the same exclusion task. We hid food under one of two cups and subsequently lifted either both cups, or the
baited or the un-baited cup. The crows were significantly above chance when both cups were lifted or when only the baited
cup was lifted. When the empty cup was lifted, we found considerable inter-individual variation, with some birds having a
significant preference for the un-baited but manipulated cup. In a follow-up task, we always provided the birds with the full
information about the food location, but manipulated in which order they saw the hiding or the removal of food. Interestingly,
they strongly preferred the cup which was manipulated last, even if it did not contain any food. Therefore, we repeated the
first experiment but controlled for the movement of the cups. In this case, more crows found the food reliably in the un-baited
condition. We conclude that carrion crows are able to choose by exclusion, but local enhancement has a strong influence on
their performance and may overshadow potential inferential abilities. However, these findings support the hypothesis that
caching might be a key to exclusion in corvids. 相似文献
355.
Prof. Dr. Kurt Breysig 《Synthese》1939,4(1):25-31
Ohne Zusammenfassung 相似文献
356.
Kurt Gottschaldt 《Psychological research》1929,12(1):1-87
Ohne Zusammenfassung
Mit 22 Abbildungen im Text. 相似文献
357.
358.
359.
This paper describes a generative theory of bugs. It claims that all bugs of a procedural skill can be derived by a highly constrained form of problem solving acting on incomplete procedures. These procedures are characterized by formal deletion operations that model incomplete learning and forgetting. The problem solver and the deletion operator have been constrained to make it impossible to derive “star-bugs”—algorithms that are so absurd that expert diagnosticians agree that the alogorithm will never be observed as a bug. Hence, the theory not only generates the observed bugs, it fails to generate star-bugs. The theory has been tested on an extensive data base of bugs for multidigit subtraction that was collected with the aid of the diagnostic systems buggy and debuggy. In addition to predicting bug occurrence, by adoption of additional hypotheses, the theory also makes predictions about the frequency and stability of bugs, as well as the occurrence of certain latencies in processing time during testing. Arguments are given that the theory can be applied to domains other than subtraction and that it can be extended to provide a theory of procedural learning that accounts for bug acquisition. Lastly, particular care has been taken to make the theory principled so that it can not be tailored to fit any possible data. 相似文献
360.
Kurt Wilde 《Psychological research》1937,22(1-2):26-58
Ohne Zusammenfassung 相似文献