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61.
The purpose of the study was to examine the fit and calibration of the items in Spielberger, Gorsuch, and Lushene's (1970) State-Trait Anxiety Inventory during measurement of actual and retrospective anxiety. Subjects in the actual anxiety situation (n = 113) and in the retrospective anxiety situation (n = 55) were administered the inventory, and 20 scale items were analyzed individually by the probabilistic Rasch Model (Wright & Masters, 1982). Comparisons between the items' values in both situations revealed that 17 of the 20 items were rated similarly. In the retrospective anxiety state, 9 items (misfits) failed to discriminate between high- and low-anxious subjects, but only 6 failed to do so in the actual anxiety state. Despite the similarities, we recommend that the scales be modified to yield a more reliable measure of anxiety and to discriminate more accurately among subjects with varying levels of anxiety. 相似文献
62.
Naomi J. Aldrich Harriet R. Tenenbaum Patricia J. Brooks Karine Harrison Jennie Sines 《The British journal of developmental psychology》2011,29(1):86-109
This study explored relationships between perspective‐taking, emotion understanding, and children's narrative abilities. Younger (23 5‐/6‐year‐olds) and older (24 7‐/8‐year‐olds) children generated fictional narratives, using a wordless picture book, about a frog experiencing jealousy. Children's emotion understanding was assessed through a standardized test of emotion comprehension and their ability to convey the jealousy theme of the story. Perspective‐taking ability was assessed with respect to children's use of narrative evaluation (i.e., narrative coherence, mental state language, supplementary evaluative speech, use of subjective language, and placement of emotion expression). Older children scored higher than younger children on emotion comprehension and on understanding the story's complex emotional theme, including the ability to identify a rival. They were more advanced in perspective‐taking abilities, and selectively used emotion expressions to highlight story episodes. Subjective perspective taking and narrative coherence were predictive of children's elaboration of the jealousy theme. Use of supplementary evaluative speech, in turn, was predictive of both subjective perspective taking and narrative coherence. 相似文献
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In acquiring number words, children exhibit a qualitative leap in which they transition from understanding a few number words, to possessing a rich system of interrelated numerical concepts. We present a computational framework for understanding this inductive leap as the consequence of statistical inference over a sufficiently powerful representational system. We provide an implemented model that is powerful enough to learn number word meanings and other related conceptual systems from naturalistic data. The model shows that bootstrapping can be made computationally and philosophically well-founded as a theory of number learning. Our approach demonstrates how learners may combine core cognitive operations to build sophisticated representations during the course of development, and how this process explains observed developmental patterns in number word learning. 相似文献
65.
Gershon Spitz Erin D. Bigler Tracy Abildskov Jerome J. Maller Richard O’Sullivan Jennie L Ponsford 《Brain and cognition》2013
There has been limited examination of the effect of brain pathology on subsequent function. The current study examined the relationships between regional variation in grey matter volume, age and cognitive impairment using a semi-automated image analysis tool. This study included 69 individuals with mild-to-severe TBI, 41 of whom also completed neuropsychological tests of attention, working memory, processing speed, memory and executive functions. A widespread reduction in grey matter volume was associated with increasing age. Regional volumes that were affected also related to the severity of injury, whereby the most severe TBI participants displayed the most significant pathology. Poorer retention of newly learned material was associated with reduced cortical volume in frontal, parietal, and occipital brain regions. In addition, poorer working memory and executive control performance was found for individuals with lower cortical volume in temporal, parietal, and occipital regions. These findings are largely in line with previous literature, which suggests that frontal, temporal, and parietal regions are integral for the encoding of memories into long-term storage, memory retrieval, and working memory. The present study suggests that automated image analysis methods may be used to explore the relationships between regional variation in grey matter volume and cognitive function following TBI. 相似文献
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Cory T. Shaffer Gershon Tenenbaum Robert C. Eklund 《Journal of Applied Sport Psychology》2013,25(4):464-476
We aimed at studying athletes' mental skills-related implicit beliefs and their susceptibility to changes. Collegiate athletes (n = 68) responded to the Theories of Mental Skills scale to determine their implicit beliefs of mental skills abilities within sport. Participants were randomly assigned to read one of two manipulation articles and complete a mental skills task. Following the manipulation, participants' beliefs were reassessed to determine changes from pre- to postmanipulation. The results revealed that implicit beliefs could be manipulated, shedding light on the malleability of implicit beliefs. The findings provide information on the nature of athletes' perceptions of mental skills. 相似文献
69.
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
70.
This article proposes a new model of human concept learning that provides a rational analysis of learning feature-based concepts. This model is built upon Bayesian inference for a grammatically structured hypothesis space—a concept language of logical rules. This article compares the model predictions to human generalization judgments in several well-known category learning experiments, and finds good agreement for both average and individual participant generalizations. This article further investigates judgments for a broad set of 7-feature concepts—a more natural setting in several ways—and again finds that the model explains human performance. 相似文献