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151.
We study a simple game theoretic model of information transfer which we consider to be a baseline model for capturing strategic
aspects of epistemological questions. In particular, we focus on the question whether simple learning rules lead to an efficient
transfer of information. We find that reinforcement learning, which is based exclusively on payoff experiences, is inadequate
to generate efficient networks of information transfer. Fictitious play, the game theoretic counterpart to Carnapian inductive
logic and a more sophisticated kind of learning, suffices to produce efficiency in information transfer. 相似文献
152.
A great deal of progress has been made on information ethics. Which portion is not sufficient? That might be the comparison from countries to countries. The purpose of this study was closely examined using the cross-cultural method for comparison. To determine the ethics cognitions and behaviors of the students, a comprehensive survey was distributed. The questionnaire for the study used Mason’s four essential factors in information ethics that included Privacy, Accuracy, Property and Accessibility (PAPA). The samples were comprised of Kaohsiung Taiwan and Nanjing China, junior high school students in 2006. The sample and the survey were obtained from two stages of random sampling that was conducted using an Internet website. Students could read the online questionnaire in the computer laboratory and then send immediate feedback to the website server. The result of the experiment showed the divergence of information ethics in cognition and behavior between Kaohsiung and Nanjing school children. The effects of background and correlation are from cognition and behavior between two regions. 相似文献
153.
Accelerated investment and innovation in information technology (IT) offers prospects for conducting business in ways that are radically different from the past. Despite the growing presence of IT within organizations, however, we do not have a clear understanding of how IT impacts the role of professionals. We address this issue by investigating how jobs in one professional occupational segment, human resources (HR) professionals are influenced by extensive use of IT within the human resource department. Specifically, we examine how HR professionals handle HR information as well as the expectations placed on them resulting from an increased reliance on IT. Our findings suggest that IT enables HR professionals to more efficiently access and disseminate information while it also influences what is expected of them. Implications and future directions are discussed. 相似文献
154.
Linda M Isbell 《Journal of experimental social psychology》2004,40(3):341-349
Two experiments investigated the effects of mood on the use of global trait information in impression formation tasks. Participants in both experiments formed an impression of a target based on traits and a series of behaviors that were both consistent and inconsistent with the traits. In Experiment 1, participants in happy moods, relative to those in unhappy moods, made impression judgments that reflected the evaluative implications of the trait information to a greater extent than the behaviors, regardless of the order in which they received the information. In Experiment 2, both happy and sad participants engaged in systematic processing, as reflected by the recall data, but only happy participants’ recall of target information was significantly biased by the global trait information they received. These findings are consistent with the affect-as-information model in which affective cues influence the extent to which individuals rely on general knowledge and, importantly, are inconsistent with models that posit that happiness results in reduced motivation or ability to process information carefully. 相似文献
155.
Group members experience mutual enhancement when they evaluate one another’s task capabilities more positively because they are discussing shared as compared to unshared information. Two experiments investigated a social validation explanation for mutual enhancement. In Experiment 1, members of dyads read and discussed either shared or unshared information and collectively recalled this information under conditions where accuracy was important or not. Mutual enhancement occurred when need for accuracy was higher, but not when it was lower. In Experiment 2, members of dyads read validating or non-validating information from an outsider after they collectively recalled shared or unshared information. Members who discussed unshared information and received no validating communication from the outsider gave one another the lowest task capability ratings compared to members who discussed shared information and/or received validating communication from the outsider. All of these results are consistent with a social validation explanation for mutual enhancement. 相似文献
156.
Thomas Søbirk Petersen 《Journal of Happiness Studies》2009,10(4):449-458
In an effort to construct a plausible theory of experience-based welfare, Wayne Sumner imposes two requirements on the relevant kind of experience: the information requirement and the autonomy requirement. I argue that both requirements are problematic. First, I argue (very briefly) that a well-know case like ‘the deceived businessman’ need not support the information requirement as Sumner believes. Second, I introduce a case designed to cast further doubt on the information requirement. Third, I attend to a shortcoming in Sumner’s theory of welfare, namely that it is unclear which of later and informed assessments are to be treated as authoritative when it comes to the evaluation of a person’s welfare. Finally, I suggest that, in combination with ‘welfarism’ (to which Sumner subscribes, and which has it that welfare is all that matters from a moral viewpoint), the information requirement entail morally troublesome conclusions: e.g. the conclusion that, from a moral point of view, we should, other things being equal, only to be concerned with the alternative that makes one person slightly better off in respect of welfare instead of also being morally concerned with the alternative that makes one person very happy. 相似文献
157.
Practice not only affects how information is processed, but also which information is processed. The Information-Reduction
Hypothesis (i.e. Haider & Frensch, 1996) holds that — with practice — irrelevant task information (i.e. information that is
not logically needed to correctly perform the task) is discarded from processing. Recently, Gaschler and Frensch (2007) have
demonstrated that Information Reduction is not affected by the frequency with which individual task configurations are presented:
well-practiced and little-practiced irrelevant task configurations are discarded at the same point in time during practice;
Information Reduction is thus an item-general phenomenon. These findings suggest that Information Reduction is at least in
part a consequence of top-down, voluntary control. In the present research, we ask how tasks can be constructed such that
Information Reduction is avoided. Our results show that item-general Information Reduction is observed even when it leads
to severe processing costs (i.e. errors). On the whole, the present results are in line with models of skill acquisition incorporating
top-down modulation (e.g. Haider & Frensch, 2002) and are incompatible with purely data-driven accounts of skill acquisition
(e.g. Logan, 1988; Nosofski & Palmeri, 1997; Palmeri, 1997; Rickard, 2004). 相似文献
158.
In order to extract the regularities underlying a continuous sensory input, the individual elements constituting the stream have to be encoded and their transitional probabilities (TPs) should be learned. This suggests that variance in statistical learning (SL) performance reflects efficiency in encoding representations as well as efficiency in detecting their statistical properties. These processes have been taken to be independent and temporally modular, where first, elements in the stream are encoded into internal representations, and then the co‐occurrences between them are computed and registered. Here, we entertain a novel hypothesis that one unifying construct—the rate of information in the sensory input—explains learning performance. This theoretical approach merges processes related to encoding of events and those related to learning their regularities into a single computational principle. We present data from two large‐scale experiments with over 800 participants tested in support for this hypothesis, showing that rate of information in a visual stream clearly predicts SL performance, and that similar rate of information values leads to similar SL performance. We discuss the implications for SL theory and its relation to regularity learning. 相似文献
159.
Online Information and Communication Systems to Enhance Health Outcomes Through Communication Convergence
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Gary L. Kreps 《人类交流研究》2017,43(4):518-530
The growing use of digital health communication channels has produced dramatic changes, providing broad access to information for making health decisions and addressing users' emotional needs. Digital health communication channels combine mass and interpersonal communication in different ways. Type 1 convergence occurs sequentially: Individuals obtain health information online that they discuss interpersonally with health providers. Type 2 convergence involves discussions occurring via online health information systems. The effectiveness of these systems depends upon seven communication design and implementation strategies. Emerging interactive health information systems provide customized responses tailored to individuals' specific needs and situations. All these forms of media convergence can improve health education, health promotion, and health behavior change. 相似文献
160.
Chelonis JJ King G Logue AW Tobin H 《Journal of the experimental analysis of behavior》1994,62(1):33-43
Five pigeons served as subjects in an experiment that examined the effects of variable as opposed to fixed delays on preference in a self-control paradigm (choice between larger, more delayed and smaller, less delayed reinforcers). Nonindependent concurrent variable-interval schedules were used to measure choice. When delays to the larger, more delayed reinforcers were variable as opposed to fixed, the subjects showed an increased preference for that alternative (the self-control alternative). A series of regressions revealed that the hyperbolic decay model and incentive theory provided poor fits to the data, but a modified version of the generalized matching law provided an adequate fit. Together, consistent with a general prediction made by discounting models, the data supported the conclusion that variable delays can increase self-control. However, specific discounting models were not able to explain the present data well. 相似文献