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691.
Diniz A Wijnants ML Torre K Barreiros J Crato N Bosman AM Hasselman F Cox RF Van Orden GC Delignières D 《Human movement science》2011,30(5):889-905
1/f noise has been discovered in a number of time series collected in psychological and behavioral experiments. This ubiquitous phenomenon has been ignored for a long time and classical models were not designed for accounting for these long-range correlations. The aim of this paper is to present and discuss contrasted theoretical perspectives on 1/f noise, in order to provide a comprehensive overview of current debates in this domain. In a first part, we propose a formal definition of the phenomenon of 1/f noise, and we present some commonly used methods for measuring long-range correlations in time series. In a second part, we develop a theoretical position that considers 1/f noise as the hallmark of system complexity. From this point of view, 1/f noise emerges from the coordination of the many elements that compose the system. In a third part, we present a theoretical counterpoint suggesting that 1/f noise could emerge from localized sources within the system. In conclusion, we try to draw some lines of reasoning for going beyond the opposition between these two approaches. 相似文献
692.
Women typically outperform men on the ability to assess other people??s nonverbal behavior. This difference might occur because women are taught to be more sensitive to emotional and nonverbal cues at a very early age compared to men. As a consequence, women might use a more favorable cognitive processing style than men during nonverbal decoding. The present study investigated whether this gender difference is due to the use of different cognitive information processing styles (global or local). Participants (N?=?137) were Swiss undergraduate students that were randomly assigned to either a global (focusing on the whole) or a local (focusing on details) priming of information processing style, or to a control group. They then performed a nonverbal decoding task. Results showed that compared to the control group, local priming had beneficial and global priming detrimental effects for nonverbal decoding accuracy. This was due to an improved performance in men after the local priming; women??s performance was not significantly affected by the local priming. Global priming increased nonverbal decoding accuracy in men and decreased performance in women. We conclude that women already use the more beneficial local processing style by default and that men??s performance can be boosted when providing them a processing strategy. 相似文献
693.
Fred O. Walumbwa Bruce J. Avolio Samuel Aryee 《Journal of Occupational & Organizational Psychology》2011,84(3):425-439
Although we are aware of some positive cases of leadership and management emerging on the African continent, very little empirical or theoretical work has addressed leadership and management in Africa. This raises a challenge for African nations in that ultimately a country's economic performance is contingent on the effectiveness of its leadership and management practices that serve to unlock the potential of its workforce to effectively implement the strategic goals of organizations. Against the backdrop of an increasingly knowledge‐dependent global marketplace, the centrality of leadership and effective management systems as drivers of individual and organization performance has never been more critical. This special section brings together a compendium of papers that advances the science of leadership and management within the African context. Our principle goal was to examine what is unique, what generalizes, and what does not generalize from the West and East to Africa, as well as within different regions of Africa and then offer ideas to guide future research and practice. The papers in this section provide a broad and indeed innovative approach to studying leadership and management in Africa by including historical, philosophical, economic, and socio‐political perspectives, as part of the analyses of leadership and management in the African context. Our editorial provides an integration of this work and a launching point for some audacious goals for future leadership and management science and practice in Africa and beyond. 相似文献
694.
Research has shown that children of depressed mothers are at risk for problems in a variety of developmental domains; however, little is known about the effects of maternal depression on children's emerging understanding of false beliefs. In this study, 3 false belief tasks were administered to 5-year-old children whose mothers had either met criteria for major depressive disorder within the first 20 months of the child's life (n = 91) or had never been depressed (n = 50). Significant difficulties in performance were found among the children of depressed mothers, especially those whose mothers had experienced early and recent recurrent depressive disorder. Regardless of diagnostic status, children whose mothers exhibited negativity during problem-solving tasks administered at an earlier developmental period also were less likely to demonstrate false belief understanding. These effects remained even after child verbal ability was controlled. 相似文献
695.
Fred Adams 《Philosophical Studies》2011,153(1):81-94
Sven Bernecker develops a theory of propositional memory that is at odds with the received epistemic theory of memory. On
Bernecker’s account the belief that is remembered must be true, but it need not constitute knowledge, nor even have been true
at the time it was acquired. I examine his reasons for thinking the epistemic theory of memory is false and mount a defense
of the epistemic theory. 相似文献
696.
697.
Sabrina Trapp Henning Schroll Fred H. Hamker 《Advances in cognitive psychology / University of Finance and Management in Warsaw》2012,8(1):1-8
Within recent years, researchers have proposed the independence of attention and
consciousness on both empirical and conceptual grounds. However, the elusive
nature of these constructs complicates progress in the investigation of their
interaction. We present a framework within which we conceptualize attention and
consciousness in computational terms. Here, the concepts are consi-dered as
large-scale, functionally and structurally different processes, embedded in a
biologically inspired architecture, spanning the full arc from stimulus to
response. Our architecture assumes a general independence of attention and
consciousness, but supposes strong interactions. Furthermore, it addresses the
developmental aspect, stressing that these functions have to gradually develop
through learning. 相似文献
698.
David E. Guest Fred R. H. Zijlstra 《Journal of Occupational & Organizational Psychology》2012,85(4):542-555
There has been a growing interest in evidence‐based management. A core component is a body of high‐quality research evidence to inform practice. Initial research with human resource managers in the United States and the Netherlands reveals only modest knowledge about a number of ‘widely documented’ research findings. However, it is unclear whether research experts would display any greater agreement about the research evidence. The present study addresses this issue by exploring levels of agreement about the quality of the research evidence base in work and organizational (W/O) psychology using a pan‐European sample of 75 senior academic W/O psychologists who completed two rounds of a study, first identifying core findings in the field of W/O psychology and then reporting levels of agreement about them. The results show that there were only seven of 24 core findings on which over 75% agreed that there was good‐quality evidence. The challenges of developing and utilizing an evidence‐based approach are discussed and it is concluded, in agreement with Briner and Rousseau (2011a), that there is some way to go before W/O psychologists can begin to feel confident about the quality of much of their research evidence. 相似文献
699.
Abstract concepts like numbers or time are thought to be represented in the more concrete domain of space and the sensorimotor system. For example, thinking of past or future events has a physical manifestation in backward or forward body sway, respectively. In the present study, we investigated the reverse effect: can passive whole-body motion influence the processing of temporal information? Participants were asked to categorize verbal stimuli to the concepts future or past while they were displaced forward and backward (Experiment 1), or upward and downward (Experiment 2). The results showed that future related verbal stimuli were categorized faster during forward as compared to backward motion. This finding supports the view that temporal events are represented along a mental time line and that the sensorimotor system is linked to that representation. We showed that body motion is not just an epiphenomenon of temporal thoughts. Passive whole-body motion can influence higher-order temporal cognition. 相似文献
700.
Ozanne EM O'Connell A Bouzan C Bosinoff P Rourke T Dowd D Drohan B Millham F Griffin P Halpern EF Semine A Hughes KS 《Journal of genetic counseling》2012,21(4):547-556
Family history of cancer is critical for identifying and managing patients at risk for cancer. However, the quality of family history data is dependent on the accuracy of patient self reporting. Therefore, the validity of family history reporting is crucial to the quality of clinical care. A retrospective review of family history data collected at a community hospital between 2005 and 2009 was performed in 43,257 women presenting for screening mammography. Reported numbers of breast, colon, prostate, lung, and ovarian cancer were compared in maternal relatives vs. paternal relatives and in first vs. second degree relatives. Significant reporting differences were found between maternal and paternal family history of cancer, in addition to degree of relative. The number of paternal family histories of cancer was significantly lower than that of maternal family histories of cancer. Similarly, the percentage of grandparents' family histories of cancer was significantly lower than the percentage of parents' family histories of cancer. This trend was found in all cancers except prostate cancer. Self-reported family history in the community setting is often influenced by both bloodline of the cancer history and the degree of relative affected. This is evident by the underreporting of paternal family histories of cancer, and also, though to a lesser extent, by degree. These discrepancies in reporting family history of cancer imply we need to take more care in collecting accurate family histories and also in the clinical management of individuals in relation to hereditary risk. 相似文献