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201.
We argue that conceptual analyses of collective action should be informed by game-theoretic analyses of collective action.
In particular, we argue that Ariel Rubenstein’s so-called ‘Electronic Mail Game’ provides a useful model of collective action,
and of the formation of collective intentions. 相似文献
202.
McClure EB Parrish JM Nelson EE Easter J Thorne JF Rilling JK Ernst M Pine DS 《Journal of abnormal child psychology》2007,35(4):567-577
This study examined patterns of behavioral and emotional responses to conflict and cooperation in adolescents with anxiety/mood
disorders and healthy peers. We compared performance on and emotional responses to the Prisoner’s Dilemma (PD) game, an economic
exchange task involving conflict and cooperation, between adolescents with anxiety/depressive disorders (A/D) (N=21) and healthy comparisons (n = 29). Participants were deceived to believe their co-player (a pre-programmed computer algorithm) was another study participant.
A/D adolescents differed significantly from comparisons in patterns of play and emotional response to the game. Specifically,
A/D participants responded more cooperatively to cooperative overtures from their co-players; A/D girls also reported more
anger toward co-players than did comparison girls. Our findings indicate that A/D adolescents, particularly females, respond
distinctively to stressful social interchanges. These findings offer a first step toward elucidating the mechanisms underlying
social impairment in youth with internalizing disorders.
This research was supported by the Intramural Research Program of the NIH, NIMH. 相似文献
203.
The ability to inhibit affective information plays a major role in efficient cognitive processing. In this study the effect
of mood induction on inhibitory processing of emotional material was investigated. In Experiment 1, performance on a negative
affective priming task (NAP) following negative and positive mood induction (MIP) was compared to a neutral mood condition.
Results revealed that, as compared with the neutral mood condition, inhibitory function for affective material was unaffected
by negative MIP. However, after the positive MIP, inhibitory processes were significantly impaired. In Experiment 2, we replicated
and extended the findings on positive affect and inhibition. The data concerning positive mood fit with the general findings
that positive mood often leads to a “loose, flexible” processing mode. The null-finding concerning negative mood and inhibition
is discussed in the light of research on inhibition in depression. 相似文献
204.
Shape recognition can be achieved through vision or touch, raising the issue of how this information is shared across modalities. Here we provide a short review of previous findings on cross-modal object recognition and we provide new empirical data on multisensory recognition of actively explored objects. It was previously shown that, similar to vision, haptic recognition of objects fixed in space is orientation specific and that cross-modal object recognition performance was relatively efficient when these views of the objects were matched across the sensory modalities (Newell, Ernst, Tjan, & Bülthoff, 2001). For actively explored (i.e., spatially unconstrained) objects, we now found a cost in cross-modal relative to within-modal recognition performance. At first, this may seem to be in contrast to findings by Newell et al. (2001). However, a detailed video analysis of the visual and haptic exploration behaviour during learning and recognition revealed that one view of the objects was predominantly explored relative to all others. Thus, active visual and haptic exploration is not balanced across object views. The cost in recognition performance across modalities for actively explored objects could be attributed to the fact that the predominantly learned object view was not appropriately matched between learning and recognition test in the cross-modal conditions. Thus, it seems that participants naturally adopt an exploration strategy during visual and haptic object learning that involves constraining the orientation of the objects. Although this strategy ensures good within-modal performance, it is not optimal for achieving the best recognition performance across modalities. 相似文献
205.
In the Netherlands, intelligence testing has been pragmatic and has not generated the heated controversies found in other cultures. Four historical reasons are presented for this paradoxical development. First, the Binet test was used mainly as a diagnostic instrument for professional judgments about admission to special education. Second, the eugenic use of IQ tests was moderated by the marginal position of eugenics in Dutch society. Third, the process of “pillarization” gave considerable power to denominational groups in Dutch society, and they strongly criticized deterministic ideas about the heredity of intelligence. Fourth, the educational scientist, cognitive psychologist, philosopher, and government adviser, Philip Kohnstamm, was very influential in Dutch science and politics. He rejected intelligence testing and its deterministic connotations in favor of the idea of the educability of cognitive capacities. © 1998 John Wiley & Sons, Inc. 相似文献
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