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211.
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The Utility of Cognitive Plausibility in Language Acquisition Modeling: Evidence From Word Segmentation
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The informativity of a computational model of language acquisition is directly related to how closely it approximates the actual acquisition task, sometimes referred to as the model's cognitive plausibility. We suggest that though every computational model necessarily idealizes the modeled task, an informative language acquisition model can aim to be cognitively plausible in multiple ways. We discuss these cognitive plausibility checkpoints generally and then apply them to a case study in word segmentation, investigating a promising Bayesian segmentation strategy. We incorporate cognitive plausibility by using an age‐appropriate unit of perceptual representation, evaluating the model output in terms of its utility, and incorporating cognitive constraints into the inference process. Our more cognitively plausible model shows a beneficial effect of cognitive constraints on segmentation performance. One interpretation of this effect is as a synergy between the naive theories of language structure that infants may have and the cognitive constraints that limit the fidelity of their inference processes, where less accurate inference approximations are better when the underlying assumptions about how words are generated are less accurate. More generally, these results highlight the utility of incorporating cognitive plausibility more fully into computational models of language acquisition. 相似文献
213.
Pearl B.W. Kalechstein Dennis Hocevar Mel Kalechstein 《Anxiety, stress, and coping》2013,26(3):247-261
Abstract Fifth and sixth grade children were randomly assigned to either a control or an experimental condition in a pretest, posttest, delayed posttest design. The experimental group received instruction and practice in test-taking, and the control group received a placebo treatment. Dependent variables were four components of test anxiety, locus of control and achievement. Factor analysis of pretest data supported I. Sarason's four-factor conceptualization of test anxiety (worry, test-irrelevant thinking, tension, and bodily reactions to test taking). Posttest data generally supported the hypothesized treatment effects. As predicted, children in the experimental condition had higher reading scores, greater internality, and less test-irrelevant thinking. The delayed posttest scores indicated a diminished effect on the achievement and internality measures; however, the amount of test-irrelevant thinking remained lower in the experimental condition. 相似文献
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Gershon Greenberg 《Jewish History》2013,27(2-4):353-375
Polish hasidic thought during the Holocaust exhibited optimism about the outcome. This was tied in part to the power of the inner point of faith (nekudah penimit) to impact upon the dialectical movement from darkness to light, on both the historical (sin-punishment) and metahistorical (exile-redemption) levels. Exponents of this view included the Admorim (rebbes, hasidic leaders) of Alexander, Bobov, and Gur, and Kalonymus Kalman Shapira (Warsaw). Immediately after the war, other Admorim from these streams continued with their optimism and faith-activism, even though they viewed the Holocaust through the lens of its non-redemptive aftermath. There was also a pessimistic and passive strain, shared by representatives of the Kotsk, Sokhachev, and Sokolov dynasties, in apparent response to the failure of inner faith to affect the catastrophic historical reality. 相似文献
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Cox CR Arndt J Pyszczynski T Greenberg J Abdollahi A Solomon S 《Journal of personality and social psychology》2008,94(4):696-717
Six studies examined the role of young adults' parental attachment in terror management. Studies 1-3 revealed that activating thoughts of one's parent in response to mortality salience (MS) reduced death-thought accessibility and worldview defense and increased feelings of self-worth. Studies 4-5 demonstrated that MS led to greater ease of recalling positive maternal interactions and greater difficulty recalling negative interactions, and increased attraction to a stranger who was described as being similar to one's parent. If reliance on parents for terror management purposes reflects the operation of attachment mechanisms, then such effects should vary on the basis of an individual's attachment style. Study 6 demonstrated that, after MS, insecure individuals were more likely to rely on relationships with their parents, whereas secure individuals were more likely to rely on relationships with romantic partners. 相似文献
219.
Two experiments examined the extent to which attitudes changed following majority and minority influence are resistant to counter‐persuasion. In both experiments participants' attitudes were measured after being exposed to two messages, delayed in time, which argued opposite positions (initial message and counter‐message). In the first experiment, attitudes following minority endorsement of the initial message were more resistant to a second counter‐message only when the initial message contained strong versus weak arguments. Attitudes changed following majority influence did not resist the second counter‐message and returned to their pre‐test level. Experiment 2 varied whether memory was warned (i.e., message recipients expected to recall the message) or not, to manipulate message processing. When memory was warned, which should increase message processing, attitudes changed following both majority and minority influence resisted the second counter‐message. The results support the view that minority influence instigates systematic processing of its arguments, leading to attitudes that resist counter‐persuasion. Attitudes formed following majority influence yield to counter‐persuasion unless there is a secondary task that encourages message processing. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
220.
Catherine H Rogers Frank J Floyd Marsha Mailick Seltzer Jan Greenberg Jinkuk Hong 《Journal of family psychology》2008,22(2):203-211
The death of a child is a traumatic event that can have long-term effects on the lives of parents. This study examined bereaved parents of deceased children (infancy to age 34) and comparison parents with similar backgrounds (n = 428 per group) identified in the Wisconsin Longitudinal Study. An average of 18.05 years following the death, when parents were age 53, bereaved parents reported more depressive symptoms, poorer well-being, and more health problems and were more likely to have experienced a depressive episode and marital disruption than were comparison parents. Recovery from grief was associated with having a sense of life purpose and having additional children but was unrelated to the cause of death or the amount of time since the death. The results point to the need for detection and intervention to help those parents who are experiencing lasting grief. 相似文献