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31.
On average, men outperform women on mental rotation tasks. Even boys as young as 4 1/2 perform better than girls on simplified spatial transformation tasks. The goal of our study was to explore ways of improving 5-year-olds' performance on a spatial transformation task and to examine the strategies children use to solve this task. We found that boys performed better than girls before training and that both boys and girls improved with training, whether they were given explicit instruction or just practice. Regardless of training condition, the more children gestured about moving the pieces when asked to explain how they solved the spatial transformation task, the better they performed on the task, with boys gesturing about movement significantly more (and performing better) than girls. Gesture thus provides useful information about children's spatial strategies, raising the possibility that gesture training may be particularly effective in improving children's mental rotation skills.  相似文献   
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Despite its crucial importance to psychoanalytic training, the control analysis has received surprisingly little scrutiny by psychoanalytic writers. How the candidate's training influences analytic process--a critical feature of the control analysis--is examined. In keeping with previous contributions, it is found that the candidate's training experience does indeed influence analytic process. It is argued, however, that focusing on the influence of training itself, as some authors have done, moves discussion away from the meanings of training for each candidate and from how these meanings bear on the interplay of transference and countertransference in the control analysis. Detailed case examples illustrate how one candidate's experience of training was drawn into his control analyses in the form of enactments, supporting the conclusion that attention to the particular ways in which training influences each candidate's analytic work is critical to the candidate's psychoanalytic education.  相似文献   
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The relationships between adolescents' reading comprehension and their metacognitive knowledge and self-system beliefs were studied in three groups of subjects: French nationals, Caucasian Americans, and African Americans. Subjects were tested on measures of reading comprehension, metacognitive knowledge about reading processes, attributional beliefs, and academic self-concept. Correlation and regression analyses indicated cultural differences in the predictors of reading comprehension among the three groups. For French and Caucasian Americans, reading comprehension scores were related to metacognitive knowledge, academic self-concept, and attributions of success to ability. However, metacognition and motivational beliefs were mostly unrelated to comprehension performance for African Americans. Results are discussed in terms of verification of a model of motivational influences on performance, of cultural and ethnic group differences in beliefs, and the implications for generalizability of research results.  相似文献   
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Philip Ehrlich 《Synthese》1982,50(2):233-277
We examine the notions of negative, infinite and hotter than infinite temperatures and show how these unusual concepts gain legitimacy in quantum statistical mechanics. We ask if the existence of an infinite temperature implies the existence of an actual infinity and argue that it does not. Since one can sensibly talk about hotter than infinite temperatures, we ask if one could legitimately speak of other physical quantities, such as length and duration, in analogous terms. That is, could there be longer than infinite lengths or temporal durations? We argue that the answer is surprisingly yes, and we outline the properties of a number system that could be employed to characterize such magnitudes.  相似文献   
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Methodology for collecting and analyzing on-line protocols from novice programmers is described. On-line protocols are copies of all syntactically correct programs that students have written using an interactive computer system. Since the number of on-line protocols collected is quite large, we have developed a computer program, called the Bug Finder, which can auto-matically identify semantic and pragmatic bugs in subjects’ programs. In this paper, we describe the theory upon which the Bug Finder is built and provide an example of the Bug Finder in operation.  相似文献   
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In recent years, researchers in computer science and human-computer interaction have become increasingly interested in characterizing perception of facial affect. Ironically, this applied interest comes at a time when the classic findings on perception of human facial affect are being challenged in the psychological research literature, largely on methodological grounds. This paper first describes two experiments that empirically address Russell’s methodological criticisms of the classic work on measuring “basic emotions,” as well as his alternative approach toward modeling “facial affect space.” Finally, a user study on affect in a prototype model of a robot face is reported; these results are compared with the human findings from Experiment 1. This work provides new data on measuring facial affect, while also demonstrating how basic and more applied research can mutually inform one another.  相似文献   
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