To Purify the Dialect of the Tribe: children's use of non-standard dialect grammar in writing

Teachers of children of all ages are enjoined by the National Curriculum for English to develop their pupils’ ability to write in standard English. This study explores the implications of these injunctions by examining the use of non-standard dialect grammar in the writing of 362 texts written by pupils of 11 an 15 years of age. It is established that most of the forms used are found in all four of the geographical regions sampled. The grammatical features of these non-standard dialects and the frequency with which they occur are itemised and compared with a study of spoken English based on the same corpus. There is found to be considerable overlap between these and other recent studies of non-standard dialects in schools, although non-standard dialects are used more widely in speech than in writing.     

Examining genetic and environmental effects on social aggression: a study of 6-year-old twins

Using a genetic design of 234 six-year-old twins, this study examined (a) the contribution of genes and environment to social versus physical aggression, and (b) whether the correlation between social and physical aggression can be explained by similar genetic or environmental factors or by a directional link between the phenotypes. For social aggression, substantial (shared and unique) environmental effects but only weak genetic effects were found. For physical aggression, significant effects of genes and unique environment were found. Bivariate modeling suggests that social and physical aggression share most of their underlying genes but only very few overlapping environmental factors. The correlation between the two phenotypes can also be explained by a directional effect from physical to social aggression.     

Clock drawing in developmental dyslexia

Although developmental dyslexia is often defined as a language-based reading impairment not attributable to low intelligence or educational or socioeconomic limitations, the behavioral manifestations of dyslexia are not restricted to the realm of language. Functional brain imaging studies have shed light on physiological differences associated with poor reading both inside and outside the classical language areas of the brain. Concurrently, clinically useful tests that elicit these nonlinguistic deficits are few. Specifically, the integrity of the dorsal visual pathway, which predominantly projects to the parietal cortex, remains underinvestigated, lacking easily administered tests. Here we present the Clock Drawing Test (CDT), used to test the visuoconstructive ability of children with and without dyslexia and garden-variety poor readers. Compared to typically reading children, many children with dyslexia and some garden-variety poor readers showed significant left neglect, as measured by the distribution of figures drawn on the left clock face. In the poor readers with dyslexia, we observed spatial construction deficits like those of patients with acquired right-hemisphere lesions. The results suggest that in some children with dyslexia, right-hemisphere dysfunction may compound the phonological processing deficits attributed to the left hemisphere. The CDT provides an easy opportunity to assess skills known to be associated with right-hemisphere parietal function. This test can be easily administered to children for both clinical and research purposes.     

Investigation of abnormal left temporal functioning in dyslexia through rCBF,auditory evoked potentials,and positron emisson tomography

The proposed left hemisphere dysfunction in dyslexia was investigated in a review of four studies using regional cerebral blood flow (rCBF; N=152) and combined auditory evoked responses (AERs) with positron emission tomography (PET) (N=20). In contrast to the positive relation that was found between temporal rCBF and orthographic task accuracy, an inverse correlation was found phonemic in normals between task accuracy and left temporal rCBF activation, near Heschl's gyrus. Dyslexics, by contrast, showed a positive correlation between Heschl's gyrus activation (by PET and rCBF) and phonemic processing accuracy. The AER's at C3 for an early positive component (P1) showed that these relationships were true both on hit trials and correct rejection trials, indicating that the perceptual rather than motoric or selective attention aspects of the task were being measured. Methodological issues were emphasized, including the difficulty of interpreting mean differences in brain activity at a given site without considering the separate multivariate structures that might exist in the two populations.     

Learning style preferences of external degree students

Thirty learning style preferences are profiled for a group of adult male students enrolled in an external degree program. The Canfield Learning Style Inventory was used to assess the adult students' learning styles. These external degree students had eleven significantly different learning preferences compared to Canfield's norm group. Correlations between learning styles and traditional learning environments also were examined. Implications of the results, strengths and limitations in the research are discussed.     

Self-regulation in text processing

In this paper an experiment is reported on the influence of two variations of instructions on learning performance and thinking-aloud protocols of 64 pupils from secondary schools. Furthermore, differences between successful and less successful pupils in self-regulatory processes during text processing are described. The texts consisted of instructions on how to use a computer keyboard and a text-editor. Learning performance referred to both knowledge and application. The variation in instructions did not influence the learning performance and the thinking-aloud protocols (either quantitatively or qualitatively), but the variable Marks/No Marks did. The main differences between successful and less successful pupils occurred in orientation processes, especially with regard to Reflection on Foreknowledge and Gaps in Foreknowledge. Differences also turned up for processes such as Process Selection and Making Summaries. The results are discussed in light of the results from a prior study with an informative text.     

Critical thinking ability,open-mindedness,and knowledge of the processes of science of chemistry and non-chemistry students

The Chemistry Curriculum Committee of the Philadelphia school district developed a chemistry course guide for use in the city's comprehensive high schools. Instruction based on this guide was intended, in part, to develop critical thinking ability, open-mindedness, and knowledge of the processes of science. Critical thinking ability and open-mindedness appears to have been developed; but only when pretesting was part of the teaching process. Knowledge of the processes of science has not been developed by students in chemistry classes following the Guide, perhaps because of a lack of strict adherence to the intent and content of the chemistry guide.