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This study examined whether audiovisual computer training without linguistic material had a remedial effect on different learning disabilities, like dyslexia and ADD (Attention Deficit Disorder). This study applied a pre‐test–intervention–post‐test design with students (N = 62) between the ages of 7 and 19. The computer training lasted eight weeks occurring twice a week for 15 minutes per session. After the training period, an improvement in the auditory‐visual matching test was found. According to the hypothesis of this study, the youngest children with dyslexia would benefit most from the intervention. However, the training had also a positive effect on auditory‐visual matching with older students with dyslexia. Surprisingly, the students with ADD benefited from this intervention. According to the teachers, this intervention had also a positive effect on the students' school behaviour. 相似文献
115.
The research reported in this paper attempted to find whether the so called poor spellers who are good readers are indeed good readers or if this impression is misleading. Three college students who appeared to be poor spellers but good readers were tested using a variety of techniques. It was found that the three subjects were indeed inefficient readers who committed numerous errors in reading function words, low frequency and unfamiliar words, and pronounceable nonwords. Not being proficient in the phonological conversion of print, these subjects depend excessively on an orthographic sight reading strategy which hinders accurate reading. There appears to be a trade off between speed and comprehension in reading and by slowing down considerably, the poor spellers but good readers attain an acceptable level of comprehension. It was concluded that reading aloud and spelling involve phonological mediation and, therefore, are not completely dissociable. 相似文献
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Not all reading disabilities are alike 总被引:1,自引:0,他引:1
In this article, reading disability is defined broadly to refer to below-average achievement in reading comprehension as assessed by a standardized test. With our research we tried to answer the question of whether all children with reading disability share a common etiology of deficient phonology, or constitute heterogeneous groups. The answer to this question was sought in four studies that examined reading disabilities from the perspective of componential skills of reading. In Part 1, the results of the first study are reported. A principal-components analysis of the performance of 139 children from Grades 3, 4, and 6 on reading-related tasks yielded two factors: decoding and comprehension. However, factor analyses conducted for each grade separately indicated that orthographic skill and processing speed could possibly constitute a third component. The orthography-speed factor emerged as a factor only in the 6th grade. Part 2 of this article reports the findings of three studies that analyzed the componential skills profiles of poor readers. It was found that the poor readers constituted heterogeneous groups and that four different types of poor readers could be identified with deficiency in any one of the following skills: (a) decoding only, (b) comprehension only, (c) a combination of decoding and comprehension, and (d) a combination of orthographic processing and reading speed. It was also found that the criteria used in selecting poor readers influenced the distribution of the ratio of the four types of poor readers within any given group. 相似文献
118.
Ajai Kumar M. C. Pant H. N. Pandey J. L. Aggarwal R. S. Sharma L. D. Joshi S. Singh 《Indian journal of clinical biochemistry : IJCB》1993,8(1):47-50
Effect of feeding ripe and unripe papaya fruit pulps were investigated on blood lipid profile of normal male adult albino rabbits by giving them pulps separately at the dose of 15 and 30g per day along with standard diet over a period of six weeks. As compared to controls both fruit pulps resulted in highly significant (p<0.001) and consistent lowering of serum cholesterol, low density lipoprotein cholesterol and triglycerides and elevation in phospholipids and high density lipoprotein cholesterol levels at 1,3 and 6 weeks of fruit pulp feeding indicating a dose dependent effect. Observations clearly support medicinal value ofC. Papaya in the management of atherosclerosis, fatty liver, ischaemic changes and consequential myocardial infarction. 相似文献
119.
The purpose of the present study was to examine the influence of some aspects of the Arabic phonological system on spelling
English words. In Study 1, the spelling performance of Arabic students from grades four and six was compared with English
students in cognate phoneme pairs which exist across both languages (/d/ and /t/), and pairs in which only one of the phonemes
exists in Arabic (/b/ and /p/, /f/ and /v/) using a spelling test which contained words with the target phonemes. The findings
showed that the Arabic participants performed similarly to the English participants on the phonemes /t/ and /d/, but they
tended to spell the phonemes /b/, /p/, /f/, and /v/ using their cognate pairs more often than the English participants did.
In Study 2, the spelling performance of Arabic students was compared across grades 4, 6, 8, and 10 for the same target phonemes.
The analyses showed no difference between the Arabic participants in how often they confused the target phonemes with their
cognate pairs across the different grade levels, except for the phonemes /p/ and /v/, for which the effect size was small.
The findings of this study demonstrate the importance of phonology in spelling, as well as the influence of the first language
on spelling in a second language. They also indicate that Arabic students continue to be dependent on phonological processes
when spelling English words even as they grow older. 相似文献
120.
Amitabh Joshi 《Resonance》2011,16(2):116-128
The year 2008 marked the 150th anniversary of the debut of the concept of natural selection as a mechanism of adaptive evolution
through the reading of papers by Darwin and Wallace to the Linnaean Society. It also marked the 100th anniversary of the enunciation
of the principle defining the inertial state of populations from a genetic viewpoint through the independent publication of
papers on the topic by G H Hardy and W Weinberg. In this series, we examine the significance of the Hardy-Weinberg Equilibrium
as a basic model of population genetics that forms the foundation for evolutionary genetics. In Part 3 of this series, we
begin to relax some of the assumptions of the basic model underlying the Hardy-Weinberg Equilibrium, and analyse the situations
where either mutation or migration occur in an otherwise ideal large population. 相似文献