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11.
Jane E. Fleming Thomas D. Cook C. Addison Stone 《Learning disabilities research & practice》2002,17(1):47-64
This study examined the effects of social influences in the lives of an ethnically diverse sample of fifth through eighth grade students with and without learning disabilities (LD) using survey data and academic achievement scores collected in 19 Chicago public schools from 1993–1997. Similarities and differences in student perceptions of school, family, and peer group contexts were examined. In addition, longitudinal data were analyzed using hierarchical linear modeling (HLM) to identify contextual influences on changes in student reading achievement over time. Comparisons of student responses confirm and extend existing findings in the literature concerning the perceptions of students with LD of their social environments. In particular, having a learning disability was associated with consistent, mostly negative, effects on social relations across the contexts of students’ lives, regardless of gender, race, grade, and socioeconomic status. In addition, student perceptions of their friendship groups were found to have small, but significant, effects on their growth in reading achievement over the course of middle school. While students with and without LD had somewhat different views of their social contexts, the processes working within these environments appeared to affect their reading achievement in similar ways. The results suggest that careful attention should be paid to the social contexts of students’ lives when planning academic interventions. 相似文献
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The benefits of peer collaboration on strategy use, metacognitive causal attribution, and recall were supported in an earlier study (Manion & Alexander, 1997). Following that study two primary questions remained: Would the observed benefits last beyond an immediate posttest, and would they last regardless of which strategy the children chose to use? The current investigation explores those questions. Thirty-one fourth-grade students from two public schools in Sydney, Australia, experienced either a peer-collaborative treatment condition or an individual task (control condition). A posttest was conducted 5.5 weeks later. As was the case in the original study, children in the treatment condition outperformed children in the control condition in strategy use, metacognitive understanding of strategy chosen, and recall gain. Benefits also sustained regardless of the strategy children chose to implement on the task. Most importantly, the benefits lasted after a period of over a month. Implications for future research are discussed. 相似文献
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J. J. Fleming S. Rajaratnam M. S. Seshadri A. S. Kanagasabapathy 《Indian journal of clinical biochemistry : IJCB》2001,16(1):95-100
An audit of 2509 patient specimens analyzed for both total thyroxine (TT4) and free thyroxine (FT4) by the ACS-180 automated
chemiluminescence immunoassay analyzer revealed that there were 219 discrepancies (8.7% of the total). A discrepancy was defined
as one analyte within its reference range and the other outside. The discrepant results were divided into 4 groups: group
A: normal TT4, but decreased FT4, 101 patients (4.0%); group B: increased TT4, normal FT4, 78 patients (3.1%); group C: decreased
TT4, normal FT4, 34 patients (1.4%); and group D: normal TT4, increased FT4, 6 patients (0.2%). TSH measurements were available,
by a 3rd generation chemiluminescent assay, in 142 of these patients, and were consistent with the FT4 result in 72 patients, with
TT4 in 61 cases and with neither in 9 patients. The clinical diagnosis was investigated in a subgroup of 43 endocrine patients.
Thirteen of the 20 endocrine patients in group A were diagnosed as hypothyroid, with a measured serum TSH, in 11 of them,
of median 14.6, range 1.2 to 46.2 μlU/ml. Eleven of the 19 endocrine patients in group B were on thyroid replacement, with
a measured serum TSH, in 7 of them of <0.01 μlU/ml. The audit of current laboratory practice led to a suggestion to replace
the current thyroid function screening strategy of measuring both TT4 and FT4 by the combination of FT4 and TSH. The reasons
for the discrepancies and the alternative strategies for screening of thyroid function are discussed. 相似文献
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Higher education institutions are seeking greater community engagement through academic, social and civic activity. In response, researcher attention has turned to impacts on students’ education, and benefits to both university and community partners. This phenomenographic study examines how a diverse group of teachers, researchers and administrators at one New Zealand university conceptualised their involvement in community-engaged learning and teaching. We identified an outcome space where university people conceived their community engagement in three ways: within an expert/novice discourse, as advocacy, and in the most complex conception, as reciprocal learning. When working with and within communities, we suggest that university people should be supported to approach community engagement as reciprocal learning rather than adopting approaches that render community partners in passive roles. 相似文献
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