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Approximately 80% of hereditary hearing loss is non-syndromic. Non-syndromic deafness is the most genetically heterogeneous trait. The most common and severe form of hereditary hearing impairment is autosomal recessive non-syndromic hearing loss (ARNSHL), accounting for approximately 80% of cases of genetic deafness. To date, 22 genes implicated in ARNSHL have been identified. Recently a gene, DFNB31/WHRN, which encodes a putative PDZ scaffold protein called whirlin, was found to be...
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Internationally much emphasis is placed on learner support for learners with special educational needs (LSEN). In the South African education dispensation before 1994, Educational Psychology performed a major role in the support services of LSEN. However, since the change in education policy in 1994, there occurred a devaluation of support services for LSEN, as the role of Educational Psychologists in the auxiliary services shifted to other tasks like e.g. educator training. Subsequently...
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The South African education dispensation acknowledges the fact that a well-established education support service is imperative for the inclusive education policy in South Africa to succeed. Research was undertaken to trace a new Educational Psychological model for learner support in the relatively new inclusive education in South Africa. The results show that what will be needed to effectively support learners with special educational needs (LSEN), is professional autonomy, professional...
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This paper examines the efficiency and effectiveness of emergency response in Southern Africa through the lens of the 2002/03-food crisis in the region. It outlines improvements in information and operational procedures needed to enhance the response to future events. Also discussed are national and regional trade regime changes that would reduce the need for emergency response, and consider what lessons the 2002/03 crisis may have for the role of Strategic Grain Reserves.
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The difference in rooting pattern between two grain sorghum cultivars differing in drought tolerance was investigated under drought stress. The cultivars, Gadambalia (drought-tolerant) and Tabat (droughtsusceptible), were grown in bottomless wooden or acrylic root boxes to examine root parameters. Gadambalia consistently exhibited higher dry matter production and leaf water potential than Tabat under drought stress in both root boxes. In the experiment with wooden root boxes, under a drought...
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This study examined the role of religious orientation and social support in health-promoting behaviors of African American college students. Data were collected from 211 students attending a historically Black university. Results from a 4 × 2 MANOVA revealed significant main effects for both variables. No interaction effects were observed. Post hoc analyses suggested that students with proreligious orientations compared to those with antireligious orientations were more likely to engage in...
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Abstract The aim of the present study is to evaluate the levels of dental anxiety among patients undergoing various dental treatments and to compare the anxiety levels with those of similar studies conducted with subjects from different socio-cultural backgrounds. Dental anxiety was evaluated by the administration of a questionnaire based on the Corah's Dental Anxiety Scale (DAS). Student t-test and analysis of variance (ANOVA) with Bonferoni correction was employed to compare the mean DAS...
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Objective : To determine the knowledge of and attitudes to breastfeeding among preclinical medical students of the Nnamdi Azikiwe University, Nnewi Campus. Methods : Data collection was aided by a pre-tested, self-administered questionnaire from a cross-section of 280 randomly selected students. Results : Two hundred and eighty students, 181 males and 99 females, were interviewed. The mean age of students was 22.3 ± 3.4 years. Eighty-seven percent of them had been breastfed, while 95.7% had...
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Abstract Some critics have placed the blame for the rise in unemployment in South Africa at the doorstep of schools and universities since they are the initial formal education providers. This article argues that the notion that initial formal education should prepare the youth for the job market overlooks the core business of schools and universities, and the fact that the job market is not static. The article contends that schools and universities are there to prepare learners for life in...
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This article attempts to understand citizenship and childreni?½s human rights in the context of poverty and inequality in South African society. It reviews some of the policy texts pertinent to Early Childhood Development, particularly Education White Paper 5 on Early Childhood Education and White Paper 6 on Special Education. The article speaks to the discrepancy between the existing normative framework of society and its reality. It seeks to do this through a discussion of the i?½glossy...