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PITTETD 檢索結果共 4141 筆,本頁資料從第 109 筆到第 120 筆

This study compared the relative utility of an intelligent tutoring system that uses procedure-based hints to a version that uses worked-out examples. The system, Andes, taught college level physics. In order to test which strategy produced better gains in competence, two versions of Andes were used: one offered participants graded hints and the other offered annotated,....

By MICHAEL Aleksandr RINGENBERG-Intelligent Systems-University of Pittsburgh-masters-2007-01-23
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Verbal working memory (VWM) is the ability to dynamically preserve and manipulate verbal information for brief periods of time. VWM is maintained through a silent inner speech process (Baddeley, 1986; Baddeley & Hitch, 1974). It is well established in the behavioral and neuroimaging literature that VWM can be disrupted by the simultaneous (concurrent) performance of sim....

By Corrine Durisko-Neuroscience-University of Pittsburgh-masters-2007-01-23
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The goal of this research project is to identify the source of childrens ideas about the intelligence capabilities of robots. If childrens beliefs are influenced by naïve biology theories, there is likely to be a strong relationship between animacy judgments (whether an entity is alive or not) and judgments of intelligence. However, if childrens beliefs are influenced ....

By Debra L. Bernstein-Psychology-University of Pittsburgh-masters-2007-01-23
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Reading occurs automatically when words are presented to an adult skilled reader. During a nonreading task, can we find effects of orthography, lexical status, and frequency as evidence of incidental reading occurring automatically? This study used event-related brain potential (ERP) methodology to investigate lexical processing in 12 English monolinguals and 12 Chinese....

By Susan Dunlap-Psychology-University of Pittsburgh-masters-2007-01-23
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Most of the theoretical and empirical work on newcomers views them as targets, rather than sources, of influence. This is not surprising given that newcomers often experience a great deal of stress. However, under certain conditions newcomers may be able to produce innovation in the group they enter. The present study examined two potentially important determinants of s....

By Thomas Hansen-Psychology-University of Pittsburgh-masters-2007-01-23
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In order to assess the role of visual, lexical, and contextual information on word identification in Korean, a self-paced reading experiment was conducted. The effects of word length (i.e., number of visual features, letters, phonemes, and syllables), frequency of occurrences in printed text, and word predictability were examined. It was found that the number of syllabl....

By Say Young Kim-Psychology-University of Pittsburgh-masters-2007-01-23
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BACKGROUND: Functional disturbances in reward-related brain systems are thought to play a role in the development of mood, impulse, and substance abuse disorders. Studies in non-human primates have identified brain regions, including the dorsal / ventral striatum and orbital-frontal cortex (OFC), in which neural activity is modulated by reward. Recent studies in adults ....

By John Christopher May-Psychology-University of Pittsburgh-masters-2007-01-23
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Variation in socioeconomic status (SES) is associated with the incidence of coronary heart disease (CHD) and its associated risk factors, with most studies focusing on individuals current SES. Here, we examine whether childhood SES may be similarly associated with the metabolic syndrome and its component risk factors in a community sample of nonpatient volunteers. Subje....

By Jennifer Elaine Phillips-Psychology-University of Pittsburgh-masters-2007-01-23
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Asthma is a chronic inflammatory condition characterized by acute bronchoconstriction and a protracted inflammatory response marked by elevated levels of T-helper (Th)-2 cytokine production. Common precipitants of asthma exacerbation include allergens (e.g. pollen), viruses (e.g. URI); however, recent evidence has demonstrated that psychological stress can also be a tri....

By Aric Andrew Prather-Psychology-University of Pittsburgh-masters-2007-01-23
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Using data from the NICHD Study of Early Child Care, we examined whether: 1) attention deficit hyperactivity disorder (ADHD) symptoms remain stable from preschool (54 months) through early school age (1st grade); 2) preschool behavioral inhibition moderates the relationship between preschool and first grade ADHD symptomatology; and 3) deficits in behavioral inhibition a....

By Camilla von Stauffenberg-Psychology-University of Pittsburgh-masters-2007-01-23
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This dissertation explores job crafting, or the processes through which individuals conceptualize and carry out tasks, enact relationships with others to get work done, and ascribe meaning and significance to their jobs. Previous literature in this area has remained relatively silent about the work context factors shaping job crafting. Thus, the research conducted in th....

By Brenda Elena Ghitulescu-Business Administration-University of Pittsburgh-doctoral-2007-01-16
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Interruptions are important phenomena in organizations, and researchers debate their effects on performance. This paper reviews the literature and argues that the degree of fit between task demands and an actors capacity determines whether the effects of interruptions on performance are positive or negative. The fit model hypothesizes that for actors working with a capa....

By Baiyun Gong-Business Administration-University of Pittsburgh-doctoral-2007-01-16
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