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171.
Jane Ashby Jinmian Yang Kris H. C. Evans Keith Rayner 《Attention, perception & psychophysics》2012,74(4):634-640
Previous research has examined parafoveal processing during silent reading, but little is known about the role of these processes in oral reading. Given that masking parafoveal information slows down silent reading, we asked whether a similar effect also occurs in oral reading. To investigate the role of parafoveal processing in silent and oral reading, we manipulated the parafoveal information available to readers by changing the size of a gaze-contingent moving window. Participants read silently and orally in a one-word window and a three-word window condition as we monitored their eye movements. The lack of parafoveal information slowed reading speed in both oral and silent reading. However, the effects of parafoveal information were larger in silent reading than in oral reading, because of different effects of preview information on both when the eyes move and how often. Parafoveal information benefitted silent reading for faster readers more than for slower readers. 相似文献
172.
Prior work has suggested that participants use a memory-for-past-tests (MPT) heuristic for judgments of learning (JOLs) in a multitrial learning scenario. That is, when learning the same material in multiple sessions, previous memory performance can be used as a basis for later memory predictions. We explored this issue by evaluating the impact of healthy aging on the use of MPT across trials. Young adults and healthy older adults learned pairs of words, made JOLs, and received a memory test in three study-test trials on the same material. Results indicated that both young and older adults relied on MPT as a basis for JOLs and changes in MPT across trials were nominal. Further, only the most-recent past test influenced JOLs, whereas earlier tests were unrelated to later judgments. JOLs were also influenced by prior-trial JOLs and were related to subsequent memory performance on the same trial. We suggest that these data support both indirect- and direct-memory mechanisms as the bases for the MPT heuristic. Further, in a multitrial learning scenario, in which the same information was being learned, young and older adults used the same bases for their JOLs. 相似文献
173.
Marjorie Rhodes 《Cognitive Science》2014,38(8):1687-1697
Social categorization is an early emerging and robust component of social cognition, yet the role that social categories play in children's understanding of the social world has remained unclear. The present studies examined children's (N = 52 four‐ and five‐year olds) explanations of social behavior to provide a window into their intuitive theories of how social categories constrain human action. Children systematically referenced category memberships and social relationships as causal‐explanatory factors for specific types of social interactions: harm among members of different categories more than harm among members of the same category. In contrast, they systematically referred to agents' mental states to explain the reverse patterns of behaviors: harm among members of the same category more than harm among members of different categories. These data suggest that children view social category memberships as playing a causal‐explanatory role in constraining social interactions. 相似文献
174.
James C. Craig Roger P. Rhodes Thomas A. Busey Diane Kewley-Port Larry E. Humes 《Attention, perception & psychophysics》2010,72(1):226-235
Although it is generally held that speed of processing declines with age, there have been few studies in which tactile temporal processing has been examined with older subjects. In the present study, temporal order judgments were obtained from a group of younger subjects (n = 28, mean age = 23.5 years) and a group of older subjects (n = 93, mean age = 69.8 years). The subjects judged the temporal order of two patterns presented to the same finger, four patterns presented to the same finger, and two patterns presented to different hands. Depending on the task, the average thresholds for the older subjects ranged from two to five times longer than the thresholds from the younger subjects. In absolute terms, the largest difference between the young and older subjects was seen in correctly identifying the order of four patterns, a difference of more than 500 msec. There was some support for the decline in temporal processing being due in part to a slowing in cognitive processing, and, depending on the task, in part to stimulus persistence and difficulty in pattern identification. 相似文献
175.
Kris Jozajtis 《文化与宗教》2013,14(2):179-195
In concert with an evolving scholarship rethinking relations between media, religion, and culture, this article revisits one of the key media events of the twentieth century: D.W. Griffith's film The Birth of a Nation. It locates Griffith's picture in relation to the problems of American Protestantism during the early part of the last century, and discusses the film as a response to the upheavals of modernisation in the United States. Applying a theoretical perspective based in the ideas of Rene Girard, it examines the way in which the film's appeal to white nationalist sentiment was organised in terms of sacrifice, and argues that Griffith was quite deliberately seeking to transform the religious bases of American national identity. 相似文献
176.
Three studies examined the communication of naïve theories of social groups in conversations between parents and their 4-year-old children (N = 48). Parent–child dyads read and discussed a storybook in which they either explained why past social interactions had occurred (Study 1) or evaluated whether future social interactions should occur (Studies 2 and 3). In all 3 studies, the content of parents’ and children's explanations reflected an intuitive theory of social groups as markers of intrinsic obligations, whereby individuals are obligated to avoid harm to and direct positive actions toward their in-group members. Furthermore, Studies 2 and 3 suggested that when discussing the normative obligations that guide behavior, parents covertly reinforce their children's developing beliefs about social categories. Implications for the development of social cognition are discussed. 相似文献
177.
178.
Rosamond Rhodes 《The American journal of bioethics : AJOB》2013,13(2):76-78
The recent TeGenero phase I trial of a novel monoclonal antibody in healthy volunteers produced a drastic inflammatory reaction in participants receiving the experimental agent. Commentators on the ethics of the research have focused considerable attention on the role of financial considerations: the for-profit status of the biotechnology company and Contract Research Organization responsible respectively for sponsoring and conducting the trial and the amount of monetary compensation to participants. We argue that these financial considerations are largely irrelevant and distort ethical appraisal of this tragic research. Except for administering the antibody to all 6 participants nearly simultaneously, the trial appears to fulfill all of the critical ethical requirements for clinical research—social value, scientific validity, fair subject selection, favorable risk-benefit ratio, independent review, informed consent, and respect for enrolled participants. 相似文献
179.
While prior research has shown that proper names are more challenging to learn and remember than other types of information (e.g., occupations), little research has explored the role of metacognitive factors in proper name learning. Thus in four experiments participants learned, made predictions, and were tested on their memory for common nouns (i.e., occupations) and proper nouns (i.e., names). Results showed that memory predictions were consistently overconfident for names, whereas the discrepancy between predictions and performance was smaller for occupations. With experience, participants were able to modify predictions and, critically, Experiment 4 showed that improvements in the accuracy of memory predictions led participants to allocate more study time to names and thus improved memory for names. Such data suggest that theories of proper name learning should make provisions for deficits in metacognitive awareness. 相似文献
180.