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981.
This article analyzes the topic of leadership from an evolutionary perspective and proposes three conclusions that are not part of mainstream theory. First, leading and following are strategies that evolved for solving social coordination problems in ancestral environments, including in particular the problems of group movement, intragroup peacekeeping, and intergroup competition. Second, the relationship between leaders and followers is inherently ambivalent because of the potential for exploitation of followers by leaders. Third, modern organizational structures are sometimes inconsistent with aspects of our evolved leadership psychology, which might explain the alienation and frustration of many citizens and employees. The authors draw several implications of this evolutionary analysis for leadership theory, research, and practice. 相似文献
982.
Van Gucht D Vansteenwegen D Van den Bergh O Beckers T 《Behaviour research and therapy》2008,46(10):1160-1169
In two experiments, we used a Pavlovian differential conditioning procedure to induce craving for chocolate. As a result of repeated pairing with chocolate intake, initially neutral cues came to elicit an automatic approach tendency in a speeded stimulus-response compatibility reaction time task. This automatic approach tendency, moreover, seemed to be sensitive to manipulations of extinction and renewal in the Pavlovian conditioning procedure. These findings corroborate and extend previous reports of automatic approach tendencies elicited by substance-relevant cues in addiction, while controlling for alternative accounts for such observations. Moreover, our data lend support to and extend learning models of cue-induced craving and addiction. Finally, we argue that the procedure we present here provides an ecologically valid behavioural tool that allows studying processes involved in cue-induced craving, addiction and relapse without relying on verbal report. 相似文献
983.
The main objective of the Flemish research project ‘Nanotechnologies for tomorrow’s society’ (NanoSoc) is to develop and try
out an interactive process as a suitable methodology for rendering nanoresearchers aware of underlying assumptions that guide
nanotech research and integrating social considerations into the research choices they face. In particular, the NanoSoc process
should sustain scientists’ capacities to address growing uncertainties on the strategic, scientific and public acceptance
level. The article elaborates on these uncertainties and involved dilemmas scientists are facing and proposes a process approach which addresses strategic uncertainty by alternating between ‘visioning’ and ‘technology assessment’; a process design which manages complexity by promoting reflexivity among scientists by exposing them to deliberations in civil society (social
experts, stakeholders, citizens) on plausible futures with nanotechnologies; and as an answer to societal ambivalence, certain
process quality requirements such as an attitude of perplexity or openness towards ‘plurality’ and an attitude of ‘temporary closure’, both in support
of understanding and learning from differences.
相似文献
Lieve GoordenEmail: |
984.
Oosterman JM Van Harten B Weinstein HC Scheltens P Sergeant JA Scherder EJ 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2008,15(3):384-399
White matter hyperintensities (WMH) are commonly observed in elderly people and may have the most profound effect on executive functions, including working memory. Surprisingly, the Digit Span backward, a frequently employed working memory task, reveals no association with WMH. In the present study, it was investigated whether more detailed analyses of WMH variables and study sample selection are important when establishing a possible relationship between the Digit Span backward and WMH. To accomplish this, the Digit Span backward and additional working memory tests, WMH subscores, and cardiovascular risk factors were examined. The results revealed that performance on the Digit Span backward test is unrelated to WMH, whereas a relationship between other working memory tests and WMH was confirmed. Furthermore, a division between several white matter regions seems important; hyperintensities in the frontal deep white matter regions were the strongest predictor of working memory performance. 相似文献
985.
Using a daily process design, the present study examined relationships between momentary appraisals and emotional experience based on Smith and Lazarus' (1993) theory of emotions (1993). Nine times a day for 2 weeks, participants (N = 33, 23 women) recorded their momentary experience of 2 positive emotions (joy, love) and 4 negative emotions (anger, guilt, fear, sadness) and the core relational theme appraisal contents Smith and Lazarus hypothesized as corresponding to these emotions. A series of multilevel modeling analyses found that the hypothesized relationships between appraisal contents and these emotions were stronger than relationships between contents and other emotions, although appraisals were related to other emotions in many cases. Moreover, there were some individual differences in the strength of these relationships. These results suggest that there are no one-to-one relationships between appraisal contents and specific emotional experiences, and that specific emotions are associated with different appraisal contents, and that specific appraisals are associated with different emotions. 相似文献
986.
987.
988.
David De Cremer Daan
Van Knippenberg Eric
Van Dijk Esther
Van Leeuwen 《Journal of applied social psychology》2008,38(6):1562-1579
Prior studies of the effect of group identification on cooperation in social dilemmas have advanced 2 competing accounts: the goal‐transformation hypothesis, which holds that identification makes personal and collective goals interchangeable; and the goal‐amplification hypothesis, which states that identification induces positive expectations about others’ cooperative behavior. However, prior studies have neglected to assess the process measures necessary to pit the one account against the other. The present study showed that the effect of identification was moderated by participants’ social value orientation. Identification influenced proselfs’ cooperation more than prosocials’ cooperation. Mediational analyses further showed that the effect of our identification manipulation was mediated by participants’ sense of collective self, and not by their expectations. 相似文献
989.
Peter A. Newcombe Julie
Van Den Eynde Diane Hafner Lesley Jolly 《Journal of applied social psychology》2008,38(7):1736-1754
In 2004 in Australia, controversy over the alleged involvement of elite footballers in incidents of sexual assault highlighted a tendency to denigrate the victims and excuse the perpetrators. To investigate whether rape myths were prevalent enough to explain this public response, 102 university students were surveyed for their beliefs and determinations of blame in rape situations. Although there was a gender difference in the rates of rape myth acceptance, with males more likely to accept these beliefs, these were not evident in decisions about victim blame or perpetrator blame. However, males and high rape myth acceptors were significantly more likely to minimize the seriousness of the rape situation. These effects increased with familiarity depicted in the situation. 相似文献
990.
We report a study that examines whether the presentation of irrelevant, ordinal information at central fixation interacts with the allocation of attention beyond fixation. Previous research has demonstrated that number perception influences the allocation of spatial attention, such that the presentation of a spatially nonpredictive number at fixation results in attention being allocated to the left when the central number is low (e.g., 1), and attention being allocated to the right when the central number is high (e.g., 9). Here, we examine whether this attentional SNARC effect (spatial numerical association of response codes) generalizes to other ordinal sequences: letters, days, and months. Though we replicate the attentional SNARC we find that this effect is number-specific, unless participants are required to process the cue in an order-relevant fashion. This discovery of number-specificity has important implications both for the functional separation between SNARC and attention-SNARC effects, as well as lending support to recent theories regarding the specificity of a shared neural architecture between numbers and visuospatial attention. 相似文献