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771.
It has often been argued and found that preference diversity is beneficial for the quality of group decisions. However, this literature has neglected the fact that in many situations, it is also possible not to choose. Further, preference diversity can be based on attractions, aversions, or both. The authors argue that some types of preference diversity can lead to biased discussions and choice refusal (i.e., the group refuses to choose any of the available options). In a laboratory experiment, three different patterns were observed. When group members held different aversions before discussion, discussions were aversion driven and group members quickly agreed to refuse all alternatives. When each alternative had both a proponent and an adversary, discussions were longer and unbiased but still often led to refusal, which was accompanied by relatively low levels of outcome satisfaction. Only when preference diversity was based only on attractions did it lead to unbiased discussion, low prevalence of refusal, and high outcome satisfaction. Implications for group decision making are discussed. 相似文献
772.
A meta-analysis of 25 years of mood-creativity research: hedonic tone, activation, or regulatory focus? 总被引:2,自引:0,他引:2
This meta-analysis synthesized 102 effect sizes reflecting the relation between specific moods and creativity. Effect sizes overall revealed that positive moods produce more creativity than mood-neutral controls (r= .15), but no significant differences between negative moods and mood-neutral controls (r= -.03) or between positive and negative moods (r= .04) were observed. Creativity is enhanced most by positive mood states that are activating and associated with an approach motivation and promotion focus (e.g., happiness), rather than those that are deactivating and associated with an avoidance motivation and prevention focus (e.g., relaxed). Negative, deactivating moods with an approach motivation and a promotion focus (e.g., sadness) were not associated with creativity, but negative, activating moods with an avoidance motivation and a prevention focus (fear, anxiety) were associated with lower creativity, especially when assessed as cognitive flexibility. With a few exceptions, these results generalized across experimental and correlational designs, populations (students vs. general adult population), and facet of creativity (e.g., fluency, flexibility, originality, eureka/insight). The authors discuss theoretical implications and highlight avenues for future research on specific moods, creativity, and their relationships. 相似文献
773.
Using data from all waves of the National Longitudinal Survey of Adolescent Health, we investigated the short-term and long-term impact of an adolescent friend's suicide on an adolescent's depression and suicidality. Results suggest that a friend's suicide is associated with heightened suicide thoughts and attempts and greater depression during the first year after loss. Six years later, analyses show concurrent behaviors most relevant to explain suicidality fluctuations. Findings suggest the importance of therapeutic availability, especially during the first year, for those losing a friend to suicide. 相似文献
774.
Languille S Gruest N Richer P Hars B 《Learning & memory (Cold Spring Harbor, N.Y.)》2008,15(6):434-442
The temporal dynamics of consolidation and reconsolidation of taste/odor aversion memory are evaluated during rat pup growth at postnatal days 3, 10, and 18. This is assessed through the temporal gradients of efficacy of a protein synthesis inhibitor (anisomycin) in inducing amnesia after either acquisition (consolidation) or reactivation (reconsolidation). The results show a progressive reduction with age of the delay during which the inhibitor is able to induce amnesia. Control experiments rule out a reduction of anisomycin efficacy due to blood brain barrier growth or decrease in protein synthesis inhibition. Thus, these results present the first evidence that the protein synthesis-dependent phase of memory stabilization requires less time with age. This decrease occurs in parallel for consolidation and reconsolidation. Such changes in the dynamics of memory processing could contribute to the cognitive improvement associated with development. 相似文献
775.
Advocates of the use of intuitions in philosophy argue that they are treated as evidence because they are evidential. Their
opponents agree that they are treated as evidence, but argue that they should not be so used, since they are the wrong kinds
of things. In contrast to both, we argue that, despite appearances, intuitions are not treated as evidence in philosophy whether
or not they should be. Our positive account is that intuitions are a subclass of inclinations to believe. Our thesis explains
why intuitions play a role in persuasion and inquiry, without conceding that they are evidential. The account also makes predictions
about the structure of intuitions that are confirmed by independent arguments.
相似文献
Bernard MolyneuxEmail: |
776.
Bernard R. Boxill 《The Journal of Ethics》2009,13(4):301-317
Although Frederick Douglass disclaimed any patriotism or love of the United States in the years when he considered its constitution
to be pro-slavery, I argue that he was in fact always a patriot and always a lover of his country. This conclusion leads me
to argue further that patriotism is not as expressly political as many philosophers suppose. Patriots love their country despite
its politics and often unreasonably, although in loving their country they are concerned with its politics. The greatest among
them freely dedicate themselves selflessly to the improvement of their country, partly because they love it, and partly because
they are moved to take on great projects. 相似文献
777.
Blois-Heulin C Bernard V Bec P 《Journal of comparative psychology (Washington, D.C. : 1983)》2007,121(2):205-213
The authors examined the effects of task complexity and posture on laterality and compared lateralization during different tasks in 9 captive grey-cheeked mangabeys (Lophocebus albigena) during spontaneous food processing and 3 experimental tasks. Comparisons with data of red-capped mangabeys (Cercocebus torquatus torquatus; semiterrestrial species) were used. Less than half the monkeys were lateralized for simple everyday activities, but 6 were lateralized for complex daily activities. Moreover, all the monkeys were lateralized when performing experimental tasks. Laterality at the group level was found for the bipedal task: Mangabeys were right-handed. Complexity of tasks increases laterality at the individual level. Significant differences between the 2 species of mangabeys were found, allowing us to confirm that postural constraints are a major factor in the emergence of group handedness. 相似文献
778.
779.
In brainstorming research, quantity is assumed to breed quality. However, little is known about the cognitive mechanisms underlying this relationship. A parsimonious explanation assumes a random process, in which every idea has an equal chance of being a high-quality (original and feasible) idea. In contrast, a ‘deep exploration’ approach suggests that the originality (but not the feasibility) of generated ideas is dependent on the degree to which people engage in deep exploration of their knowledge. We conducted two experiments to test the latter hypothesis. Prior to a brainstorming task, participants were primed with subcategories of the brainstorming topic. Priming caused a higher relative productivity and average originality within the primed subcategory, but did not affect global productivity and originality across categories. This effect was replicated in dyadic interactions. These results support the deep exploration hypothesis, and suggest that the relationship between quantity and quality is more complex than has previously been assumed. 相似文献
780.
Bernard Nickel 《Philosophical Studies》2007,136(3):279-304
Intentionalism is the claim that the phenomenological properties of a perceptual experience supervene on its intentional properties.
The paper presents a counter-example to this claim, one that concerns visual grouping phenomenology. I argue that this example
is superior to superficially similar examples involving grouping phenomenology offered by Peacocke (Sense and Content, Oxford: Oxford University Press), because the standard intentionalist responses to Peacocke’s examples cannot be extended
to mine. If Intentionalism fails, it is impossible to reduce the phenomenology of an experience to its content. 相似文献