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81.
In this study, we examined how students used science equipment and tools in constructing knowledge during science instruction. Within a geographical metaphor, we focused on how students use tools when constructing new knowledge, how control of tools is actualized from pedagogical perspectives, how language and tool accessibility intersect, how gender intersects with tool use, and how competition for resources impacts access to tools. Sixteen targeted students from five elementary science classes were observed for 3 days of instruction. Results showed gender differences in students' use of exclusive language and commands, as well as in the ways students played and tinkered with tools. Girls tended to carefully follow the teacher's directions during the laboratory and did little playing or tinkering with science tools. Male students tended to use tools in inventive and exploratory ways. Results also showed that whether or not a student had access to his or her own materials became indicative of the type of verbal interactions that took place during the science investigation. Gender‐related patterns in how tools are shared, how dyads relate to the materials and each other, and how materials are used to build knowledge are described. © 2000 John Wiley & Sons, Inc. J Res Sci Teach 37: 760–783, 2000  相似文献   
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The reliability of memory-monitoring accuracy was examined in two studies. In Study 1, college students recalled answers to general knowledge questions and rated confidence in the answers. Odd-even reliability of monitoring accuracy was not significantly different from zero; students with at least 20 correct and 20 incorrect answers had higher reliability when the odd and even subsets of questions were matched on recall accuracy. The best reliability was observed when the distribution of confidence ratings was equated across odd and even question subsets, and students had at least 20 confidence judgments at each level. In Study 2, a 100-item mutiple-choice general knowledge test led to odd-even reliability for confidence-recognition accuracy that was fairly high, relative to previous research, but well below desired levels. For FOK-recognition, odd-even reliability was significantly different from zero, but low. These data indicate that current methods allow an individuals' monitoring accuracy to be assessed with low to moderate reliability. Suggestions for further research are offered.  相似文献   
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This article focuses on an oversubscribed UK higher education music conservatoire that centres its selection procedures on individual performance auditions. In this mixed‐method study, centrally‐held assessment scores are used to show that A‐level music grades are a more effective predictor of final degree result than performance at audition. This context is then used to consider the learning of two students at the conservatoire who defy the expectations implied by the statistical results. Through six interviews with each student, their stories are probed through the lens of their trajectories of participation. Drawing on the notion of expansive and restrictive learning, the role that depth and breadth plays in learning to perform is unpacked, and it is suggested that both may be of central importance in shaping musical expertise. The authors discuss the results in terms of the specific challenges that the conservatoire faces in broadening its access, and consider the implications for learners of musical performance.  相似文献   
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The current study examined how discrimination relates to adjustment outcomes in a sample of internationally, transracially adopted Korean Americans from the Minnesota Sibling Interaction and Behavior Study (N = 456 adoptees; Mage at T1 = 14.9, Mage at T2 = 18.3, Mage at T3 = 22.3). The moderating roles of ethnic socialization and preparation for bias by parents (i.e., ethnic-racial socialization) were also examined. Results indicated that discrimination predicted higher levels of depressive and externalizing symptoms in youth who reported less preparation for bias. In those experiencing more preparation for bias, associations were not significantly different from zero. Ethnic socialization did not moderate these associations. Such findings provide important information for adoptive parents regarding how to prepare their children to cope with discrimination.  相似文献   
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The role of orthographic processing skill (OPS) in reading has aroused the interest of many developmental researchers. Despite observations by Vellutino that current measures of OPS primarily are indicators of reading (and spelling) achievement, OPS commonly is distinguished from both reading achievement and phonological skills. An analysis of the reading literature indicates that there is no theory in which OPS meaningfully plays a role as an independent skill or causal factor in reading acquisition. Rather, OPS indexes fluent word identification and spelling knowledge, and there is no evidence to refute the hypothesis that its development relies heavily on phonological processes. Results of correlational studies and reader group comparisons (a) cannot inform about on‐line processes and (b) may be parsimoniously explained in terms of phonological skills, reading experience, unmeasured language abilities and methodological factors, without implying that OPS is an aetiologically separable skill. Future research would profit from the investigation in experimental studies of the nature and development of orthographic representations.  相似文献   
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The changing ways child observation is being used by preschool teachers in the United States and Australia are described in relation to the accountability movement pressuring young children and their teachers in both countries. The costs of the accountability movement in early childhood education are explored, and a call for genuine accountability based on assessment strategies such as traditional child observation is made.  相似文献   
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