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Computers on wheels: an alternative to 'each one has one' 总被引:1,自引:0,他引:1
Michael M. Grant Steven M. Ross Weiping Wang Allison Potter 《British journal of educational technology : journal of the Council for Educational Technology》2005,36(6):1017-1034
Four fifth‐grade classrooms embarked on a modified ubiquitous computing initiative in the fall of 2003. Two 15‐computer wireless laptop carts were shared among the four classrooms in an effort to integrate technology across the curriculum and affect change in student learning and teacher pedagogy. This initiative—in contrast to other one‐to‐one programmemess and stationary labs—offers public schools alternatives to budget constraints and instructional‐space overhead. Results indicate positive teacher technology competence and confidence, as well as instructional strategies that were student‐centred made meaningful uses of technology. Teacher technological knowledge and efficacy, pedagogical knowledge, and a supportive school community seem to be strong indicators for impacting technology integration in this context. 相似文献
173.
Ken R. Lodewyk 《教育心理学》2007,27(3):307-327
Students with differing profiles of epistemological beliefs—their beliefs about personal epistemology, intelligence, and learning—vary in thinking, reasoning, motivation, and use of strategies while working on academic tasks, each of which affect learning. This study examined students’ epistemological beliefs according to gender, school orientation, overall academic achievement, and performance on two differently structured academic tasks. Epistemological beliefs in fixed and quick ability to learn, simple knowledge, and certain knowledge differed significantly as a function of gender, school orientation, and levels of academic achievement. These beliefs, particularly the belief in simple knowledge, significantly predicted overall performance and reflective judgment scores on the ill‐structured task but not on the well‐structured task. Implications concerning the relations among epistemological beliefs, reflective judgment, gender, school orientation, task structure, and achievement are discussed. 相似文献
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The endings of sibling conflicts were investigated in 40 families at 2 time periods. Each family included 2 children, studied when they were 2 1/2 and 4 1/2 years of age, and 2 years later, at 4 1/2and 6 1/2 years. Four types of conflict endings were observed in sibling conflicts: Compromise, Reconciliation, Submission, and No Resolution. Results indicate that at both time periods conflicts typically ended with No Resolution, followed by Submission, Compromise, and finally, Reconciliation. Submissions decreased and No Resolutions increased over the two time periods; no changes were observed in either Compromise or Reconciliation. Parents' interventions led directly to a resolution of 16% of the children's disputes (Parent Ending). In those cases, there was a greater likelihood of conflicts ending in Compromise or Reconciliation than when parents did not intervene. Conflicts in which parents intervened but the children ultimately resolved the conflicts themselves (Child Ending with Intervention) occurred 42% of the time. Such conflicts ended more often with No Resolution and less often with children's Submissions to their siblings. The implications of these findings for the development of children's conflict resolution skills and the role of parent involvement are discussed. 相似文献
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In Experiment 1, pigeons were trained to discriminate the duration (2 or 8 sec) of an empty interval separated by two 1325-Hz tone markers by responding to red and green comparison stimuli. During delay testing, a choose-short bias occurred at 1 sec, but a robust choose-long bias occurred at 9 sec. Responding in the absence of tone markers indicated that the pigeons were attending to the markers and not simply timing the total trial duration. The birds were then trained to match short (2-sec) or long (8-sec) empty intervals marked by light to blue/yellow comparisons. For both visual and auditory markers, delay testing produced a choose-short bias at 1 sec and a choose-long bias at 9 sec. In Experiment 2, the pigeons were shifted from a fixed to variable intertrial intervals (ITI) within sessions. On trials with tone markers, the duration of both the empty interval and the preceding ITI affected choice responding. On trials with light markers, only the duration of the empty interval influenced choice responding. Subsequent delay testing in the context of variable ITIs replicated the memory biases previously obtained. In Experiment 3, performance was assessed at various delay intervals on trials in which either the first or the second marker was omitted. The data from these omission tests indicated that the first marker initiated timing but that the second marker sometimes initiated the timing of a new interval. Explanations of these effects in terms of the internal clock model of timing are discussed, and a simple quantitative model of the delay interval data is tested. 相似文献
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This paper examines nongoal oriented transactions with texts in order to investigate the information encounter in the context of daily living. Findings are reported from a larger research project based on intensive interviews with 194 committed readers who read for pleasure. The paper analyses interview responses that illuminate two aspects of the readers' experience of reading for pleasure: (1) how readers choose books to read for pleasure; and (2) books that have made a significant difference in readers' lives. The paper concludes with five themes emerging from this analysis that have implications for the information search process: the active engagement of the reader/searcher in constructing meaning from texts; the role of the affective dimension; ‘trustworthiness’; the social context of information seeking; and the meta-knowledge used by experienced readers in making judgments about texts. 相似文献
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