Multimodality,crossmodality, and dyslexia

It is argued that what we call intelligent behavior is based to a great extent on our ability to analyze multimodal and crossmodal information. Acquisition and utilization of those functions seem to appear and develop greatly during the 2–4 year period in humans. Among the functions are those frequently affected in dyslexic persons. It might be possible to diagnose potential dyslexics by testing for the adequacy of those functions at that early period. In addition, limitations on the number of concepts that can be handled simultaneously may be involved in information processing in such a way as to affect both multimodality and crossmodality; this limitation seems not to be generally taken in to account by educators, especially those working with dyslexic persons.     

School violence,school differences and school discourses

This article highlights one strand of a study which investigated the concept of the violence‐resilient school. In six inner‐city secondary schools, data on violent incidents in school and violent crime in the neighbourhood were gathered, and compared with school practices to minimise violence, accessed through interviews. Some degree of association between the patterns of behaviour and school practices was found: schools with a wider range of well‐connected practices seemed to have less difficult behaviour. Interviews also showed that the different schools had different organisational discourses for construing school violence, its possible causes and the possible solutions. Differences in practices are best understood in connection with differences in these discourses. Some of the features of school discourses are outlined, including their range, their core metaphor and their silences. The authors suggest that organisational discourse is an important concept in explaining school effects and school differences, and that improvement attempts could have clearer regard to this concept.     

A cognitive analysis of Cauchy’s conceptions of function,continuity, limit and infinitesimal,with implications for teaching the calculus

In this paper, we use theoretical frameworks from mathematics education and cognitive psychology to analyse Cauchy’s ideas of function, continuity, limit and infinitesimal expressed in his Cours D’Analyse. Our analysis focuses on the development of mathematical thinking from human perception and action into more sophisticated forms of reasoning and proof, offering different insights from those afforded by historical or mathematical analyses. It highlights the conceptual power of Cauchy’s vision and the fundamental change involved in passing from the dynamic variability of the calculus to the modern set-theoretic formulation of mathematical analysis. This offers a re-evaluation of the relationship between the natural geometry and algebra of elementary calculus that continues to be used in applied mathematics, and the formal set theory of mathematical analysis that develops in pure mathematics and evolves into the logical development of non-standard analysis using infinitesimal concepts. It suggests that educational theories developed to evaluate student learning are themselves based on the conceptions of the experts who formulate them. It encourages us to reflect on the principles that we use to analyse the developing mathematical thinking of students, and to make an effort to understand the rationale of differing theoretical viewpoints.     

Health sciences libraries in the United States: new directions

This article is the third in a series in this regular feature. The intention of the series is to look at important global developments in health science libraries. These articles will serve as a road map, describing the key changes in the field and exploring factors driving these changes. The present article by the current president of the Medical Library Association outlines two important developments in the United States. The topics chosen for consideration are national initiatives in the United States impacting health sciences libraries and librarians and enhanced roles for U.S. health sciences librarians in providing support for research. J.M.     

Specific reading impairments--are they to be associated with emotional difficulties?

The assumption that specific learning disabilities are not causally related to emotional disturbances is crucial for the cognitive research approaches that endeavor to isolate specific malfunctioning cognitive-computational processes. Because there are conflicting data regarding the emotional status of subjects with learning difficulties, the purpose of this study was the evaluation of the emotional status of subjects with specific learning difficulties in comparison with that of subjects from several relevant control groups. The HSCL-90 profiles of 38 subjects suffering developmental dyslexia, 28 subjects with subjective complaints regarding general concentration and reading comprehension difficulties, and 23 psychiatric patients were compared with those of 44 skilled readers without any known emotional difficulties. All subjects were adolescents and young adults (age range = 15 to 23). A cluster analysis of subjects' HSCL-90 profiles did not reveal any significant differences between subjects with dyslexia and control subjects. Both groups, on the other hand, were easily differentiated from psychiatric patients. Subjects with severe deficits in their ability to remember details of a text, and with subjective complaints regarding concentration difficulties, tended to generate emotional profiles that testify to a high level of anxiety. Although these subjects, as well as individuals with dyslexia, may be regarded at the functional level as inefficient readers, the two groups seem to clearly differ regarding the failure factors that underlie their phenotypic difficulties.     

Age Differences in Understandings of Disease Causality: AIDS, Colds, and Cancer

The development of concepts of disease causality was explored by asking 9-, 11-, and 13-year-olds and college students about risk factors for AIDS, colds, and cancer. Their knowledge became more accurate and differentiated with age. Although younger children knew a good deal about what causes each of the diseases, they lacked knowledge of what does not cause them, often inferring that risk factors for one disease, especially AIDS, cause other diseases as well. Knowledge of true risk factors for a disease was largely independent of knowledge of non-risk factors, and knowledge of one disease was largely independent of knowledge of another. These findings provide clues as to how disease understandings evolve with age and suggest that health educators must both understand students' current knowledge structures and explicitly teach students to make important differentiations between risk and non-risk factors for a given disease and between distinct diseases.     

Multi-sited global ethnography and travel: gendered journeys in three registers

This paper joins a barely begun conversation about multi-sited and global ethnography in educational research; a conversation that is likely to intensify along with growing interest in the links between education, globalisation, internationalisation and transnationalism. Drawing on an ongoing multi-sited global ethnography of elite schools and globalisation, this paper explores the role of travel in multi-sited global ethnography and offers a feminist engagement with it. It considers the idea of fieldwork as a travel practice through three different travel registers; the traveller’s tale, critical travel studies and travel as exile. In so doing, it illustrates the reflexive affordances each register offers with regard to the directions of our feminist inquiries into elite schools and our feminist ethnographic practices.     

Getting from Here to There: The Role of Geography in Community College Students’ Transfer Decisions

Community colleges have received renewed attention from policymakers seeking to increase college attendance and completion rates because they provide open access to postsecondary education for historically marginalized students. Yet, transfer rates from community colleges to 4-year institutions are low. Inequities in opportunity that are shaped by geography and compounded throughout childhood may restrict higher education opportunities for low-income, first-generation college students. Most studies examining how geography constrains college choice focus on high school students’ initial decisions about higher education, not community college students. We analyze the spatial distribution of community college students’ “choice sets,” the 4-year institutions that they are considering transferring to. Using qualitative interviews and geospatial analysis, we examine how these spatial patterns compare between two community-college systems in Central Texas. We find that students’ choice sets are geographically constrained, but that for many students, these zones are geographically large, suggesting that interventions and targeted outreach from universities could help students identify and select from greater range of options. Our findings have important implications for college access and completion among first-generation college students, and for policies that seek to interrupt patterns of inequity tied to location.