Decision Making and Sources of Knowledge: How Students Tackle Integrated Tasks in Science,Technology and Mathematics

This article reports on students' decision making processes and sources of knowledge in an integrated teaching and learning setting. The study was conducted in a Year 9 classroom as students undertook a 10-week solar-powered boat project and were exposed to related concepts from science, technology and mathematics. Data collection involved detailed case studies of three pairs of students, interviews, classroom observation and analysis of the artefacts and portfolios produced by the students. Students were found to access knowledge from a variety of sources, including teacher's notes from formal instruction, informal interactions with the teacher, observation of and interaction with other students, as well as sources outside the classroom. However, the utility of the knowledge sources was influenced by the nature of the task. When students were performing open-ended tasks, they drew on a wider variety of knowledge sources than when they were performing less open tasks. Moreover, subject discipline-based sources often were not as helpful in solving open tasks. The study leads to several important implications for designing teaching and learning in integrated curriculum settings.     

Ameliorating gender differences in attitudes about science: A cross-national study

The outcomes of two studies reported here indicate that the teacher inservice workshops, combined with activity-based science lessons, affected students' attitudes and perceptions about electricity. Australian and U.S. studies produced different patterns explored and explained in the paper.This material is based upon research supported by the National Science Foundation under grant MDR-88-50570 in the United States and supported by a grant from the Special Projects Program of the Commonwealth Schools Commission in the Education of GirlsDD section of Projects of National Significance in Australia. Any opinions, findings and conclusions or recommendations expressed in this paper are those of the authors and do not necessarily reflect the views of the National Science Foundation or the Commonwealth Schools Commission.     

Globalisation and citizenship education: diversity in South Korean civics textbooks

This study examines how textbooks in the Republic of Korea incorporate liberal, Western notions of diversity and multiculturalism. Through a systematic analysis of 60 civics textbooks over time, this study shows that ideas of multiculturalism and diversity have dramatically increased in the South Korean intended curriculum. While in the past, textbooks depicted South Korean society as racially and ethnically homogenous with little or no mention of disadvantaged groups or ethnic minorities, starting in the 1990s, textbooks increasingly discuss the rights of diverse groups and the need to empower these groups to address problems of social inequality. Yet, traditional citizenship narratives of national homogeneity still remain, especially in textbooks that discuss prospects for the reunification of the Korean peninsula.     

Who Am I Online? Examining Voluntary Use as Symbolic-Collective Action

This article reports on a test of an integrated voluntary information technology use model that draws on social identity theory to extend the functional utility model of the user. User feedback on a health care insurance firm's electronic service in South Africa was analyzed qualitatively using pattern matching to test the model's propositions. While functional utility was found to be a significant determinant of voluntary information technology use, both functional utility and symbolic needs were significant for some user segments. Information technology research can benefit from further cross-fertilization with social identity theory to explain use patterns in different voluntary contexts. Providers seeking to move beyond functional utility should consider the symbolic needs of strategically important user segments to strengthen long-term relationships.     

Identity in science learning: exploring the attention given to agency and structure in studies of identity

This paper explores the ways in which the concept of identity has been conceptualised and studied within science education. The Personality and Social Structure Perspective is used to examine the attention paid by researchers to three levels of identity analysis: personality, interaction and social structure. Tracing the development of science identity studies and the resulting body of literature reveals that most authors have focused their attention on aspects of identity related to individual agency to the exclusion of issues of social structure. This paper argues that this attention is related to the position of communities of practice as the dominant theoretical framework for identity studies and argues that researchers need to consider broader frameworks that encourage the integration of ideas at all three levels of analysis. Broadened methodological approaches, including mixed methods, are also advocated as a way to increase consideration of the level of social structure.     

Explainers' perceptions of visitors' learning at an Interactive Science and Technology Centre

This paper reports part of a larger study into the learning of the general public during visits to an interactive science centre. Much previous research on visitors' learning has focused on students, whereas the explainers, who have most interaction with visitors, have rarely been used as a data source. Reported here are the views of a representative sample of explainers from a science centre. Data were collected through interviews and conclusions scrutinised by a wider group of explainers. The findings suggest that explainers believe that first, visitors have fun at the centre; second, learning is not the main purpose of the visit; third, their own role is to facilitate understanding of the exhibits, not to teach; fourth, learning occurs when visitors relate experiences at the centre to experiences in the outside world; fifth, analogies facilitate understanding; and sixth, incidental learning, unrelated to the intention of an exhibit, often occurs. Specializations: interactive science and technology centres. Specializations: gender issues and assessment in science and technology education.     

Do we need to move from communication technology to user community? A new economic model of the journal as a club

Much of the argument around reforming, remaking, or preserving the traditions of scholarly publishing is built on economic principles, explicit or implicit. Can we afford open access (OA)? How do we pay for high‐quality services? Why does it cost so much? In this article, we argue that the sterility of much of this debate is a result of failure to tackle the question of what a journal is in economic terms. We offer a way through by demonstrating that a journal is a club and discuss the implications for the scholarly publishing industry. We use examples, ranging from OA to prestige journals, to explain why congestion is a problem for club‐based publications, and to discuss the importance of creative destruction for the maintenance of knowledge‐generating communities in publishing.     

An investigation of a novel three-dimensional activity monitor to predict free-living energy expenditure

The aim of this study was to assess the capability of the 3dNX accelerometer to predict energy expenditure in two separate, free-living cohorts. Twenty-three adolescents and 14 young adults took a single dose of doubly labelled water and wore a 3dNX activity monitor during waking hours for a 10-day period while carrying out their normal routines. Multiple linear regression with backward elimination was used to establish the strength of the associations between various indices of energy expenditure, physical activity counts, and anthropometric variables. 3dNX output accounted for 27% and 35% of the variance in the total energy expenditure of the adolescent and young adult cohort, respectively. The explained variance increased to 78%, with a standard error of estimate of 7%, when 3dNX output was combined with body composition variables. The 3dNX accelerometer can be used to predict free-living daily energy expenditure with a standard error of estimate of 1.65 MJ in adolescents and 1.52 MJ in young adults. The inclusion of anthropometric variables reduces the error to approximately 1 MJ. Although it remains to cross-validate these models in other populations, early indications suggest that the 3dNX provides a useful method of predicting energy expenditure in free-living individuals.