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Sarah R. Powell 《Learning disabilities research & practice》2011,26(2):94-108
Solving word problems is a difficult task for students at‐risk for or with learning disabilities (LD). One instructional approach that has emerged as a valid method for helping students at‐risk for or with LD to become more proficient at word‐problem solving is using schemas. A schema is a framework for solving a problem. With a schema, students are taught to recognize problems as falling within word‐problem types and to apply a problem solution method that matches that problem type. This review highlights two schema approaches for second‐ and third‐grade students at‐risk for or with LD: schema‐based instruction and schema‐broadening instruction. A total of 12 schema studies were reviewed and synthesized. Both types of schema approaches enhanced the word‐problem skill of students at‐risk for or with LD. Based on the review, suggestions are provided for incorporating word‐problem instruction using schemas. 相似文献
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Sarah R. Powell Lynn S. Fuchs Douglas Fuchs Paul T. Cirino Jack M. Fletcher 《Learning disabilities research & practice》2009,24(1):1-11
The purpose of this study was to assess the efficacy of fact retrieval tutoring as a function of math difficulty (MD) subtype, that is, whether students have MD alone (MD‐only) or have concurrent difficulty with math and reading (MDRD). Third graders (n= 139) at two sites were randomly assigned, blocking by site and MD subtype, to four tutoring conditions: fact retrieval practice, conceptual fact retrieval instruction with practice, procedural computation/estimation instruction, and control (no tutoring). Tutoring occurred for 45 sessions over 15 weeks for 15–25 minutes per session. Results provided evidence of an interaction between tutoring condition and MD subtype status for assessment of fact retrieval. For MD‐only students, students in both fact retrieval conditions achieved comparably and outperformed MD‐only students in the control group as well as those in the procedural computation/estimation instruction group. By contrast, for MDRD students, there were no significant differences among intervention conditions. 相似文献
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Structuring the curriculum and the classroom experience in ways that promote community building and develop an appreciation for diversity is a powerful way to deepen and personalize a student's learning experience. 相似文献
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Kimberly A. Powell 《Communication Studies》2013,64(1-2):34-44
This essay begins to investigate the relationship between race and gender in communication through study of the Association of Southern Women for the Prevention of Lynching (1930‐1942). Organized by and composed exclusively of white women, this campaign managed to reconstruct lynching from a race issue to a gender issue. In doing so, the leader of the ASWPL, Jessie Daniel Ames, was successful at empowering white Southern women and uniting black and white women. However, due to failure to understand issues of the relationship between race and gender, the ASWPL perpetuated the very racism that was the cause for lynching. 相似文献
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Alfred R. Powell 《Journal of The Franklin Institute》1923,195(6):867-868
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