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Results 1 - 10
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2,223
Optimizing Search Engines using Clickthrough Data
, 2002
"... This paper presents an approach to automatically optimizing the retrieval quality of search engines using clickthrough data. Intuitively, a good information retrieval system should present relevant documents high in the ranking, with less relevant documents following below. While previous approaches ..."
Abstract
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Cited by 1314 (23 self)
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function of a meta-search engine to a particular group of users, outperforming Google in terms of retrieval quality after only a couple of hundred training examples.
Mining the Peanut Gallery: Opinion Extraction and Semantic Classification of Product Reviews
, 2003
"... The web contains a wealth of product reviews, but sifting through them is a daunting task. Ideally, an opinion mining tool would process a set of search results for a given item, generating a list of product attributes (quality, features, etc.) and aggregating opinions about each of them (poor, mixe ..."
Abstract
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Cited by 453 (0 self)
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The web contains a wealth of product reviews, but sifting through them is a daunting task. Ideally, an opinion mining tool would process a set of search results for a given item, generating a list of product attributes (quality, features, etc.) and aggregating opinions about each of them (poor
Developments in the Measurement of Subjective Well-Being
- Psychological Science.
, 1993
"... F or good reasons, economists have had a long-standing preference for studying peoples' revealed preferences; that is, looking at individuals' actual choices and decisions rather than their stated intentions or subjective reports of likes and dislikes. Yet people often make choices that b ..."
Abstract
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Cited by 284 (7 self)
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that bear a mixed relationship to their own happiness. A large literature from behavioral economics and psychology finds that people often make inconsistent choices, fail to learn from experience, exhibit reluctance to trade, base their own satisfaction on how their situation compares with the satisfaction
Self-determination and persistence in a real-life setting: Toward a motivational model of high school dropout.
- Journal of Personality and Social Psychology,
, 1997
"... The purpose of this study was to propose and test a motivational model of high school dropout. The model posits that teachers, parents, and the school administration's behaviors toward students influence students' perceptions of competence and autonomy. The less autonomy supportive the so ..."
Abstract
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Cited by 183 (19 self)
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of .56 in this study, would produce an alpha of .81 if there were eight items. With short scales such as the ones used in this study, the adequacy of the underlying measurement model is generally more indicative of the quality of contruct measurement than internal consistency MOTIVATIONAL MODEL OF HIGH
The visual word form area: Expertise for reading in the fusiform gyrus. Trends in Cognitive Sciences,
, 2003
"... Brain imaging studies reliably localize a region of visual cortex that is especially responsive to visual words. This brain specialization is essential to rapid reading ability because it enhances perception of words by becoming specifically tuned to recurring properties of a writing system. The or ..."
Abstract
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Cited by 163 (5 self)
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that the interplay between the unique demands of word reading and the structural constraints of the visual system lead to the emergence of the Visual Word Form Area. Years after children first learn to decode letters into words, a form of perceptual expertise emerges in which groups of letters are rapidly
Longer-term effects of Head Start
- American Economic Review
, 2002
"... Abstract Public early intervention programs like Head Start are often justified as investments in children. Yet nothing is known about the long-term effects of Head Start. This paper draws on unique data from the Panel Study of Income Dynamics to provide new evidence on the effects of Head Start on ..."
Abstract
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Cited by 131 (5 self)
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. This reflects the fact that the program, which is funded by appropriation, has never been fully funded. The program is administered at the local level --there are over 1,400 local programs --and is subject to federal guidelines. The guidelines specify that, in addition to providing a nurturing learning
Enhancing the quality of argumentation in school science
- Journal of Research in Science Teaching
, 2004
"... The research reported in this paper focussed on the design of learning environments that support the teaching and learning of argumentation in a scientific context. The research took place over two years between 1999 and 2001 in junior high schools in the greater London area. The research was conduc ..."
Abstract
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Cited by 91 (4 self)
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The research reported in this paper focussed on the design of learning environments that support the teaching and learning of argumentation in a scientific context. The research took place over two years between 1999 and 2001 in junior high schools in the greater London area. The research
The Effective Provision of Pre-school Education (EPPE) Project. Technical Paper 11: The continuing effect of pre-school education at age 7 years. Institute of Education: London;
, 2004
"... What is EPPE? The Effective Provision of Pre-School Education (EPPE) project is the first major European longitudinal study of a national sample of young children's development between the ages of 3 and 7 years. To investigate the effects of pre-school education, the EPPE team collected a wide ..."
Abstract
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Cited by 87 (8 self)
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from good quality pre-school experiences, especially where they are with a mixture of children from different social backgrounds. -Overall disadvantaged children tend to attend pre-school for shorter periods of time than those from more advantaged groups (around 4-6 months less). • Does type of pre
Lifelike Pedagogical Agents for Mixed-Initiative Problem Solving in Constructivist Learning Environments. User Modeling and User-Adapted Interaction
, 1999
"... Abstract. Mixed-initiative problem solving lies at the heart of knowledge-based learning environments. While learners are actively engaged in problem-solving activities, learning environments should monitor their progress and provide them with feedback in a manner that contributes to achieving the t ..."
Abstract
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Cited by 86 (6 self)
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qualities. Featured prominently in constructivist learning environments, lifelike pedagogical agents could couple key feedback functionalities with a strong visual presence by observing learners ’ progress and providing them with visually contextualized advice during mixed-initiative problem solving
Results 1 - 10
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2,223
