A Comparison of Lower‐ and Higher‐Resourced Tier 2 Reading Interventions for High School Sophomores

The purpose of this study was to compare the effects of peer‐mediated versus teacher‐directed reading intervention on the reading performance of high school sophomores. Participants (n = 57) from the lowest 25th percentile of their sophomore class in reading were assigned randomly to peer‐mediated or teacher‐directed intervention. Fifteen to sixteen 25‐minute intervention sessions over 12 weeks included listening passage preview, retelling, and main idea questioning. Linear regression revealed statistically significant main effects of intervention on maze selection, with both treatment groups outperforming a nonequivalent control group (ES = .69–1.00). There were no statistically significant differences on oral reading fluency or maze selection between the peer‐mediated and teacher‐directed groups. Participating in peer‐mediated intervention and receiving more minutes of instruction were significantly associated with higher performance on the district reading assessment. Implications for allocating resources to tiered intervention in secondary schools are discussed.     

A comparative study of three methods for the popularization of a physical phenomenon

A study of Norwegian science textbooks for grade 8 indicates an individualistic image of science where individual scientists are discovering truth, through experiment. Scientific rationality is grounded in procedures of inquiry alone and not in debate and argumentation within scientific communities. The communal aspects of science tend to become visible in historical examples where science did not function properly due to prejudices or ignorance. Furthermore, science proper and school science are not differentiated between, and 'scientific knowledge about nature' and 'nature' are one and the same. The discourse identified is well suited to provide students with broad and general knowledge about natural and everyday phenomena. However, it is less suitable for teaching about the scientific enterprise in contemporary society. This is worrying for students' scientific literacy as future adults, as this dimension is essential for understanding the nature of science and for democratic citizenship in socio-scientific issues.     

The explanatory role of spontaneously generated analogies in reasoning about physiological concepts

Analogical reasoning is increasingly recognized as an important instrument for promoting conceptual change in science learning. This study characterized students' and physicians' spontaneous use of analogies in reasoning about concepts related to the mechanical properties of cardiovascular physiology. The analogies were made in response to questions at different levels of abstraction from basic physiology to clinical problems. The results indicate that analogies generated by subjects facilitated explanations in a number of ways. These include creating coherent representations in novel situations, bridging gaps in understanding, and triggering associations which result in modified explanations. Subjects at different levels of expertise used analogies differently. The more expert subjects used analogies to facilitate articulation and communication; that is, to illustrate and expand on their explanations. Novices and advanced medical students used more between‐domain analogies to explain all categories of questions. This is less evident in physicians' responses to pathophysiological and clinical problems. The paper discusses ways in which analogies can be used productively, and identifies factors that can lead to a counter‐productive use of analogies resulting in misconceptions and erroneous explanations.     

Making Critical Connections Between Social Studies Teaching and Student Achievement Using NAEP Data Explorer

In this analysis of promising practice, we demonstrate how social studies methods instructors can incorporate data analysis of the 2010 United States History National Assessment of Educational Progress (NAEP–USH) to facilitate pedagogical aims, engage teacher candidates in critical discourse, and investigate the contexts of teaching and learning. The NAEP data explorer application is a valuable tool for examining social studies theory and practice in relation to student learning outcomes. Our assessment of teacher candidates' responses to the activity leads to the recommendation that NAEP data analysis and results encourage self-evaluation of instructional practices while simultaneously supporting critical interpretations of the NAEP exam.     

高中数学多媒体教学团队建设的探讨

科学应用多媒体技术于高中数学将有利于教学效率的迅速提高。但是目前的发展情况表明,存在的一些问题限制了多媒体教学效果的发挥,通过分析目前高中数学多媒体教学实践中存在的制作水平低,课堂授课方法不科学等问题的根源,结合团队教学的优势,提出了建设高中数学多媒体教学团队的具体措施。