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471.
In several experiments, observers were given glimpses of 4-word arrays. Accuracy of word localization was tested after each array. Some words, called familiar, appeared many times across the series of arrays; others, called novel, appeared only once. The ratio of novel to familiar words in an array ranged from 0:4 to 4:0. When familiar and novel words were not intermixed (in 0:4 and 4:0 arrays), localization accuracy was higher for familiar words. However, when they were intermixed, especially in 1:3 arrays, accuracy tended to be higher for the novel words. This novel popout effect was the outcome of the suppressed localizability of the familiar words (relative to the 0:4 baseline) and the enhanced localizability of the novel words (relative to the 4:0 baseline). Novel popout may reflect an automatic orientation of attention away from more fluently unfolding regions of the perceptual field (familiar objects) and toward less fluently unfolding regions (novel objects).  相似文献   
472.
Target-aiming studies in which premovement visual information is manipulated suggest that when vision is occluded, a brief visual representation of the target environment may be used to guide movement. The purpose of this work was to determine if the internal representation contains information about the whole movement environment or just specific information about the position of a single target goal. Two experiments were conducted in which we manipulated both target uncertainty and the visual information available before and during a target-aiming movement. Radial error differences between visual conditions and the independence of the vision and uncertainty manipulations support the hypothesis that subjects form a representation of the overall movement environment.  相似文献   
473.
Negotiating reality after physical loss: hope, depression, and disability.   总被引:4,自引:0,他引:4  
The utility of different reality negotiation strategies among 57 persons who had traumatically acquired severe physical disabilities was examined. It was predicted that a sense of goal-directed determination ("agency"; Snyder, 1989) would predict lower depression and psychosocial impairment scores soon after injury. To meet the demands of rehabilitation and social integration, however, it was hypothesized that a sense of ability to find ways to meet goals ("pathways") would predict lower depression and psychosocial impairment among persons who had been disabled for a longer period. The expected interaction was significant in the prediction of psychosocial impairment but not of depression. The sense of pathways was predictive of impairment and depression regardless of the time since injury. Results suggest that in the reality negotiation process the different components of hope as defined by Snyder have salient effects on perceptions of ability to function in social capacities.  相似文献   
474.
This paper provides an exposition and defence of Lewis' theory of radical interpretation. The first part of the paper explains what Lewis' theory was; the second part explains what it wasn't, and in so doing addresses a number of common objections that arise as a result of widespread myths and misunderstandings about how Lewis' theory is supposed to work.  相似文献   
475.
Although many persons with spinal cord injuries (SCI) are at risk for preventable complications, very little research has examined the health behaviors of these individuals. In this study, we examined self-reported health behaviors of persons with recent-onset SCI. We also studied the association between health behaviors and social problem-solving abilities. The results indicated that positive problem-solving characteristics were associated with more adaptive wellness and accident prevention behaviors. A negative orientation toward problem solving and avoidant and impulsive/careless styles was associated with increased traffic and substance risk taking. Implications are discussed in terms of health education, research, and prevention programs.  相似文献   
476.
Attitudes towards fashion brands (trainers/athletic shoes) and their symbolic meanings are explored among a sample of 30 children aged 8–12 years from poor homes in the UK, in an interpretive study using projective methods. The children form stereotypes about the owners of trainers: if the trainers are obviously branded and expensive the children believe the owner to be rich and young, if the trainer is unbranded and inexpensive looking the children believe the owner to be poor and old. If a child is wearing branded trainers they are seen as popular and able to fit in with their peers. These opinions are so strongly held that the children would prefer to talk to someone wearing branded trainers than unbranded trainers. The children also feel pressure to wear the trainers that their friends wear, partly to make friends and fit in and partly because of the teasing experienced if they are wearing unbranded clothes or are clearly from a poor home. Copyright © 2004 Henry Stewart Publications.  相似文献   
477.
Many low‐income Latina adolescent mothers face instability in their housing circumstances, which has implications for their long‐term prospects and that of their children. This study used longitudinal, ethnographic data from Welfare, Children, and Families: A Three‐City Study to explore experiences of low‐income, Latina adolescent mothers (= 15) with unstable housing who primarily rely on their families or the families of their significant others for housing support. Results of analysis employing grounded theory and narrative approaches suggested two types of instability: “Horizontal moves” between family homes and “vertical moves” between family homes and independent living. Although family support often was fundamental in allowing for participants’ pursuit of independent housing (i.e., vertical moves), it also was associated with greater residential mobility (i.e., horizontal moves), most often in the context of intrafamilial conflict and family instability. These results are discussed with respect to inconsistencies in policies to address this vulnerable population.  相似文献   
478.
This paper critically reviews how feminist academic psychologists, social scientists, and media scholars have developed Rosalind Gill's generative construct “postfeminist sensibility.” We describe the key themes of postfeminist sensibility, a noncoherent set of ideas about femininity, embodiment, and empowerment circulating across a range of media. Ideas that inform women's sense of self, making postfeminist sensibility an important object for psychological study. We then consider research that drew on postfeminist sensibility, focusing on new sexual subjectivities, which developed analysis of agency, empowerment, and the possibilities and limitations in taking up new subjectivities associated with postfeminism, as well as who could take up these subjectivities. We show how such work identified complexities and contradictions in postfeminist sensibility and offer suggestions for how this work might be further developed, particularly by intersectionality‐informed research. In the final section, we address contemporary debates surrounding postfeminism. We consider challenges and counterarguments to postfeminist sensibility as a useful term for describing contemporary patterns of sense‐making on gender, making the case for continuing research on postfeminist sensibility in the areas of digital cultures, a transformative imperative that includes the mind as well as the body, transnational postfeminism, and new forms of feminist activism. We conclude that such work would benefit from considering the ways that different technologies mediate the ideas and practices associated with postfeminist sensibility.  相似文献   
479.
This review outlines the links between contemporary etiological and offense-process theories of child sexual abuse and our current knowledge of individuals who commit offenses related to online child pornography. First, we integrate previous behavioral typologies into a four-category internet offender typology. Second, we summarize development of etiological theory and evaluate the strengths and weaknesses of these theories in explaining the child pornography offender. Third, we outline the potential situational and ecological factors relating to the online environment that may also be a cause for the development and maintenance of prurient online behavior. Fourth, we review theories of the offense process and apply these to research into the modus operandi of child pornography offenders. Finally, we examine the usefulness of this approach in the assessment of risk and the treatment of online offenders.  相似文献   
480.
Elliott Wagner 《Erkenntnis》2009,71(3):377-393
Philosophers and social scientists have recently turned to Lewis sender–receiver games to provide an account of how lexical terms can acquire meaning through an evolutionary process. However, the evolution of meaning is contingent on both the particular sender–receiver game played and the choice of evolutionary dynamic. In this paper I explore some differences between models that presume an infinitely large and randomly mixed population and models in which a finite number of agents communicate with their neighbors in a social network. My results show that communication with neighbors is more conducive to the evolution of meaning than communication with strangers. Additionally, I show that the behavior of the system is highly dependent on the topological structure of the social network. I argue that a specific class of networks—small world graphs—is especially conducive to the evolution of meaning. This is because small world graphs have a short characteristic path length while still maintaining a high degree of correlation between neighbors. Since many actual social networks, such as friendship networks and nervous systems, are conjectured to be small world structures, these results indicate that these networks are quite hospitable to the efficient evolution of meaning.  相似文献   
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