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31.
Florence R. Sullivan 《科学教学研究杂志》2008,45(3):373-394
This paper reports the results of a study of the relationship of robotics activity to the use of science literacy skills and the development of systems understanding in middle school students. Twenty‐six 11–12‐year‐olds (22 males and 4 females) attending an intensive robotics course offered at a summer camp for academically advanced students participated in the research. This study analyzes how students utilized thinking skills and science process skills characteristic of scientifically literate individuals to solve a robotics challenge. In addition, a pre/post test revealed that course participants increased their systems understanding, t (21) = 22.47, p < .05. It is argued that the affordances of the robotics environment coupled with a pedagogical approach emphasizing open‐ended, extended inquiry prompts the utilization of science literacy‐based thinking and science process skills and leads to increased systems understanding. © 2008 Wiley Periodicals, Inc. J Res Sci Teach 45: 373–394, 2008 相似文献
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This case study examines the role of playful talk in negotiating the “how” of collaborative group work in a 6th-grade science classroom. Here we develop and test a Vygotsky-derived hypothesis that postulates playful talk as a mechanism for identity exploration and group status negotiation. Our findings indicate that students utilized the playful talk genre as a means to (a) position themselves and others as more or less competent within the group in order to create or foreclose opportunities to learn, (b) maintain and strengthen bonds that were developing within the group toward the goal of achieving higher levels of coordination and opportunities to learn, and (c) pivot toward a self-selected identity aimed sometimes at affecting one’s status within the group. Taken together, these 3 playful talk functions allowed the group to manage tensions that arose as a result of periods of low coordination and to open opportunities to learn for lower status group members. This study contributes to researchers’ understanding of affective aspects of collaborative learning, which are theorized as foundational to success in such endeavors. 相似文献
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This study attempts to analyze and synthesize the knowledge collected in the area of conceptual models used in teaching and learning during inquiry-based projects, and to propose a new frame for organizing the classroom interactions within a constructivist approach. The IMSTRA model consists in three general phases: Immersion, Structuring, Applying, each with two sub-phases that highlight specific roles for the teacher and the students. Two case studies, one for mathematics in grade 9 and another for science in grade 3, show how the model can be implemented in school, making inquiry realistic in regular classes. Beyond its initial purpose, the IMSTRA model proved to be a powerful tool in curriculum development, being used in producing mathematics textbooks, as well as in developing teaching courses for a long-distance teacher-training program. 相似文献
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Florence Darnis-Paraboschi Lucile Lafont André Menaut 《European Journal of Psychology of Education - EJPE》2005,20(2):171-184
The purpose of this study was to analyze the role of dyadic verbal peer interactions in a team sport such as handball. Participants,
20 boys and 20 girls aged between 11 and 12, were assigned to two learning condition groups. The task was an instructional
setting in team handball (2 attackers against 1 defender in each half court). The experimental group with verbal exchanges
was expected to obtain higher performances in the post-tests than those who had not interacted verbally between playing sequences.
The secondary objective was to investigate whether dyadic gender had an effect on tactical choice and cognitive skills in
playing games. The experiment demonstrated the superiority of the dyadic verbal interaction group over the non-interactive
group as regards tactical choices and action projects. It also showed gender differences since males performed better females
with regard to action efficiency. The results are discussed within the theoretical framework of the social psychology of acquisition
and development and within that of teaching for understanding. In conclusion, the socio-constructivist approach would seem
to be pertinent in team sport decision-making tasks. 相似文献
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An African Grey parrot was assessed for object permanence using tasks designed for human infants. The subject showed concepts of object permanence directly comparable to primate and nonprimate mammalian species similarly tested. Because the subject has also been the focus of a study on interspecies communication, the results are discussed in terms of the possible relationship between sensorimotor intelligence and language-like behaviors. 相似文献
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Written and oral communications and the processes of writing and reading are highly valued within the scientific community; scientists who communicate well are successful in gaining recognition and support from members of their own communities, the research funding agencies, and the wider society. Yet how do scientists achieve this proficiency? Are expert scientists equally expert writers in and of science? Do scientists' perceptions of the nature of science influence their writing strategies and processes, and their beliefs about the role of writing in knowledge construction? This study used a questionnaire and semistructured interviews to document these perceptions, strategies, processes, and beliefs in a nonrandom sample of Canadian university scientists and engineers. The results indicate that the scientists subscribed to a contemporary evaluativist view of science, used common writing strategies, held similar beliefs about scientific writing and nonscientific writing, and agreed that writing generates insights and clarifies ambiguity in science. The engineers held a different view of technology than the common views of science or technology as simply applied science. These findings were slightly different than those found for American scientists from a large land‐grant university. © 2004 Wiley Periodicals, Inc. J Res Sci Teach 41: 338–369, 2004 相似文献
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Florence Chang Gisele Crawford Diane Early Donna Bryant Carollee Howes Margaret Burchinal Oscar Barbarin Richard Clifford Robert Pianta 《Early education and development》2007,18(2):243-269
The current study examined the social and language development of 345 Spanish-speaking pre-kindergartners who attended pre-kindergarten programs that varied widely in how much Spanish was spoken in the classroom by the teacher. Previous studies on English language learners have focused on how the language of instruction impacts children's language proficiency, ignoring the context in which children are learning. The current study found better social skills and closer teacher—child relationships in classrooms where teachers spoke some Spanish. Teacher ratings of children's peer social skills and assertiveness were positively associated with increased amounts of Spanish being spoken. More Spanish language use in the classroom was also related to a decrease in children's likelihood of being victims of aggression as rated by independent observers. The findings have implications for better understanding how policy decisions regarding language of instruction impact children in the social domain. As early education programs are faced with the challenging task of developing best practices for English language learners, it is essential that programs are attentive to the social implications of language. 相似文献
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