The relationship between IQ and reading disabilities in English-speaking Canadian and Spanish children

This study was designed to examine the role of intelligence (IQ) in the definition of reading disabilities (RD) in languages with different orthographic systems. A sample of 94 Spanish children and 157 English-speaking Canadian children with RD was classified into four groups on the basis of IQ scores from the Wechsler Intelligence Scale for Children-Revised (< 80; 81-90; 91-109; 110-140). We examined the reading and spelling skills of Canadian and Spanish children as a function of Full Scale, Verbal, and Performance IQ scores. Significant differences between the languages were found when reading performance was analyzed as a function of Verbal IQ scores, in that there were some differences between the groups of Canadian children with RD but not between the groups of Spanish children. The Canadian children with Verbal IQ scores < 80 demonstrated relatively lower performance in reading and spelling skills than the Canadian groups with higher IQ scores. There were differences in reading tasks as a function of Performance IQ in English but not in Spanish. The differences in the role of IQ as a function of orthographic systems may relate to the greater significance of visual-orthographic as opposed to phonological processing in English.     

Regions and their relations: sustaining authoritative professional knowledge

The development and iteration of a body of professional knowledge appropriate to the demands of practice is a central concern of studies of professional education and work. This article concentrates on Bernstein’s notion of the ‘region’ of professional knowledge, identifying regions as complex socio-epistemic entities into which forms of knowledge are appropriated and transformed to meet the requirements of practice. In order to better understand the constitution of professional knowledge, there is a need to conceptualise how knowledge is recontextualised between regions, disciplinary ‘singulars’, and professional practice. Two variables, proximity and dominance, are introduced to illustrate how relations between regions, singulars and practice may vary, with implications for what is recontextualised into regions. In some professions, there are pressures for greater proximity between regions as a consequence of changes in work practices, while in others there is the potential for the dominance of recontextualisation processes by market and bureaucratic logics. It is suggested that actors within regions need to find ways to maintain authority over professional knowledge while avoiding the risks of control by bodies ill-equipped to maintain knowledge validity. The analysis provides a lens through which to view developments in the knowledge bases of professional, or professionalising, occupations, and concomitant changes in professional education.     

Sap flow response of Eucaylyptus (Eucalyptus urophylla) to environmental stress in South China

Sap flow and environmental conditions were monitored at two Eucalyptus (Eucalyptus urophylla S.T.Blake)plantations at Hetou and Jijia, located in Leizhou, Zhanjiang, Guangdong Province. It was found that daily sap flux density (SFD) of Eucalyptus was closely related to daily atmospheric vapor pressure deficit (VPD) (R2=0.76, P=0.01 at Hetou and R2=0.7021, P=0.01 at Jijia) at both sites. No significant relationship existed between daily SFD and mean daily air temperature at both sites. Daily SFD varied with wind speed Y=-17585X3 15147X2-1250.7X 2278.4 (R2=0.68; P=0.01) at Hetou and Y=-101.67X3-1.65X2-376.4X 1914.8 (R2=0.40, P=0.05) at Jijia, where Ywas daily SFD, Xwas daily wind speed.Experimental observations yielded the following data: (1) the critical lower and upper daily VPD threshold were 0 and 2 kPa,slightly lower under high relative humidity (＞80%) compared with those at the Jijia site; (3) The upper and lower threshold     

The Impact of Pre‐school Children's Intelligence and Adjustment on their Parents’ Long‐term Educational Expectations

The present study set out to examine the role played by preschool children's intellectual and behavioural characteristics in their parents’ expectations for school performance. Preschool children who were expected by their parents to attend university were compared with those who were expected to leave school at the earliest opportunity. Children whose parents had lower expectations came from lower social classes and tended to be boys. The two groups differed in a number of other ways. The high expectations group tended to be more intelligent and less overactive. When the associations between expectations, sex and SES were controlled for, these differences persisted. The findings show that there is already an association between high educational expectations and educational advantage before children enter school. Educationalists should be cautious when developing policy on the basis of the assumption that the reported association between parental expectations and school achievement reflects the impact of expectations rather than the persistence of early acquired competence.     

Student Drivers and the Fiduciary Duty of School Boards

Following E.D.G. v. Hammer, Canadian law has held that school boards, although they have a fiduciary duty to their students, do not guarantee the safety of their students from the acts of their employees. The scope of that fiduciary duty is narrow, restricted to a board acting with disloyalty, in bad faith, or in a conflict of interest to its students, which causes them injury. This paper takes the position that the scope of that duty should include cases where a school board’s policy allows students to use their own cars to drive fellow students to school-sponsored functions.     

Design Principles for Distributed Knowledge Building Processes

In this paper we explore various interpretations of the term distributed cognition, then turn our attention to communities grounded in the practice of collaborative knowledge building. We discuss CSILE (Computer-Supported Intentional Learning Environments), a technology designed to support contributions to a communal database. Shared responsibility for this community resource extends to aspects of school practice typically handled exclusively by teachers, and engagement in improving and connecting the contents of the database makes the process of knowledge building self-sustaining. We discuss knowledge building communities involving students and teachers, and end with discussion of design principles for distributed knowledge building processes.     

Evaluating Academic Challenge Beyond the NSSE

The authors investigated student and faculty perceptions of academic challenge at their institution, based on early administrations of the National Survey of Student Engagement (NSSE). This analysis revealed that the NSSE did not fully capture many meanings of academic challenge held by these faculty and students. This study led to a proposal for the development of an internal assessment approach using a modification of the NSSE and other scale items on academic challenge and student engagement. The authors discuss several implications of this study for academic scholarship and for institutional policy concerning the assessment of academic challenge.All authors except Jim Purcell are at Georgia College and State University. Stephen L. Payne received his Ph.D. in Management from Arizona State University. He is an Associate Professor of Management and has broad research interests in areas related to ethics and education. Karynne L. M. Kleine is an Associate Professor of Middle Grades Education and has an Ed.D. from the University of Maine in science studies. Her interests are intellectual development for teacher preparation and the history and philosophy of science education. Jim Purcell received his Ed.D. from the University of Alabama, is currently the Executive Director of State System Research for the Oklahoma State Regents for Higher Education, and concentrates on issues of student retention and graduation. Ginger Rudesal Carter is an Associate Professor of Mass Communication with a Ph.D. from the University of Southern Mississippi. Her interests include research on oral history, the media, and issues relating to the student press.