“The Coat Traps All Your Body Heat”: Heterogeneity as Fundamental to Learning

This article explores heterogeneity as fundamental to learning. Inspired by Bakhtin's notion of heteroglossia, a design team consisting of an experienced classroom teacher and 2 researchers investigated how a class of 3rd and 4th graders came to understand disciplinary points of view on heat, heat transfer, and the particulate nature of matter. Through a series of planned and unplanned encounters, official versions of the Second Law of Thermodynamics and the particulate view of matter were juxtaposed with varied domains of experience of heat transfer and phase change in water. We analyze the children's discourse to examine how they populated these phenomena with meaning and what they learned in the process. We conclude by describing key principles and a conundrum that emerged from this research.     

Examining the Beliefs and Practices of Four Effective Australian Primary Science Teachers

With trends across many countries still indicating the decline of student interest in school science and diminishing numbers of students studying science beyond the compulsory years, it seems that the field remains in crisis. To address these unfortunate trends, there needs to be a greater emphasis on science education research that highlights the good news stories. For example, what are science teachers actually doing in their classrooms to increase student interest and understanding in science? This article focuses on the science teaching beliefs and practices of four Western Australian primary school teachers. The teachers were nominated by a professional colleague as effective practitioners. The study involved gathering information from classroom observations and teacher interviews to provide background information to assist in developing understandings of these teachers and their science teaching. This article reports on the initial findings drawn from Deanne A, Kate B, Lisa C and Rebecca D. Their practices were organised into the following six categories: classroom environment; conceptual knowledge and procedural skills; teaching strategies and approaches; student-specific considerations; teacher-specific considerations; and context-specific considerations. In examining the components contributing to these categories, it was evident that the teachers’ beliefs, as well as the contextual factors inherent in each classroom environment, influenced how and why they teach science in the ways they do.     

Classroom Activities and Areas: Regularity of Use and Perceptions of Adaptability by General Early Educators

This report describes a mail survey of general early educators from Head Start, public school pre-kindergarten, public school kindergarten, and community preschool/child care programs. The purposes were to secure information about the availability of classroom activities and areas, and to obtain the respondents' perceptions of the ease with which activities and areas could be adapted to accommodate children with disabilities. Of the 893 mailed questionnaires, 483 (54.1%) were returned and coded. The respondents reportedly used a wide range of classroom activities and areas, and they rated those activities and areas as moderately easy to adapt. Also, respondents from mainstreamed programs used slightly more activities and perceived the activities as easier to adapt than did respondents from non-mainstreamed programs. The findings appear to indicate that placement of children with disabilities in segregated programs cannot be justified on grounds that integration will restrict the range of activities available to typically developing children, or on the grounds that the adaptations are perceived by program staff as too difficult to be accomplished.     

Accountability, Student Learning, and the Preparation and Licensure of Teachers: Oregon''s Teacher Work Sample Methodology

This article describes Teacher Work Sample Methodology (TWSM) as one piece of an in-place accountability system for the initial preparation and licensure of teachers that includes evidence of student learning. The underlying tenets of both the methodology specifically and the notion of accountability systems generally are explored from the perspective of using evidence of student learning. This discussion includes the argument that teacher do indeed influence student learning and thus can ethically be part of an accountability system. However, the author also argues that the teaching and learning context is important and must be taken into account within such systems. The author also describes why, especially at the preservice level, the notion of accountability is part of a broader social contract. Finally, the author argues that the aim of any accountability system should be to develop personal, professional responsibility rather than to develop an external hammer for performance. A summary of the differences TWSM has made at the individual teacher level and within the institution, the state, and the nation generally is presented. The author concludes that the intended impact of the system—to develop personal, professional responsibility—has been largely achieved.     

Professional standing and the reception of contributions to economics

This study assesses the relationship between selected professional characteristics of authors of articles published in four leading economics journals and the reception (citations) of these articles in subsequently published articles. Both early reception (citations received within 3 years) and total reception (citations received within 9 years) were examined. The three professional characteristics are professional age, rank of department of affiliation, and scientific repute. Articles written by economists with (1) the longest professional age, (2) an affiliation with one of the 19 most highly rated graduate departments, and (3) the greatest scientific repute received the most citations during both the early and total reception periods. The analysis is placed within the framework of the sociology of science.     

排汗衬衣

汗水皮肤上蒸发会降低体温，但是由于衣服吸附湿气，反而使体温升高，让人出更多汗为了解决这个问题，服装生产商向运动服市场推出具有“控制湿气”功能的面料，它可以通过毛细管作用将汗液带走，因此衣服很容易干，这是第一批即将推出的高科技面料。     

To See the World or Stay at Home: Applying an Integrated Student Choice Model to Explore the Gender Gap in the Intent to Study Abroad

Although interest in study abroad has grown consistently in recent decades, study abroad professionals and higher education scholars have been unable to explain or rectify the long-standing gender gap in study abroad participation. This study applies an integrated model of the student-choice construct to explore differences between male and female intent to study abroad. Results indicate that, not only can various forms of social and cultural capital predict student decisions about curricular opportunities during college such as study abroad, but gender plays a substantial role in altering the ways in which those forms of capital shape student decisions differently. These findings present a range of implications for researchers interested in better understanding the decision making process of college students as well as study abroad professionals and national policymakers intent on narrowing the gender gap in study abroad participation.     

What do freshmen really know about research? Assess before you teach

The paper describes an effort to assess the information literacy skills of first year college students. An instrument was developed and information was gathered on students' experience and comfort in conducting library research as well as their perceived competence with specific information literacy skills. In addition, students completed a skills test to assess specific knowledge and skills relating to information literacy. Entering freshmen generally self-reported their skills to be less than “excellent.” This finding was supported by the results of the skills test. Strengths and weaknesses in information literacy skills are reported as well as implications for librarians who assess and teach these skills to students.