LARGE-SCALE CLASSIFICATION AND QUANTITATIVE GENETIC STUDIES OF READING
阅读的大规模分类和定量遗传学研究
基本信息
- 批准号:8208599
- 负责人:
- 金额:$ 23.6万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2011
- 资助国家:美国
- 起止时间:2011-01-01 至 2011-12-31
- 项目状态:已结题
- 来源:
- 关键词:AchievementAffectChildClassificationComprehensionDataDatabasesDevelopmentDisabled PersonsDizygotic TwinsFloridaGeneticGoalsGrantGrowthHeritabilityLearningLearning DisabilitiesMeasuresMonitorMonozygotic twinsPerformanceQuantitative GeneticsReaderReadingReportingSamplingSchoolsTimeTwin Multiple BirthWritingdisabilityfifth gradekindergartenprevent
项目摘要
Project III entails an examination of the Florida's Progress Monitoring and Reporting Network (PMRN)
database containing multiple measures of multiple reading constructs on 300,000 children attending
underachieving schools in the state of Florida. Approximately 124,000 new children enter the database each
year in one of the six grade levels in which data are collected: kindergarten through Fifth grade. This
extensive database is uniquely equipped to answer questions related to each of the six Center grant goals. It
will be used to estimate the percentages of struggling readers who fit alternative classification criteria for
learning disability in various domains (e.g., impaired decoding, impaired comprehension, etc.). It also will be
used to examine how alternative classification criteria for learning disability (e.g., unexplained low
achievement, inadequate growth) are related (i.e., do they classify the same children as learning disabled).
We will examine the predictive validity of alternative classification criteria for learning disability, amd
environmental variables in relation to alternative classifications (e.g., SES, performance level of the school,
etc.) and their predictive validity. For the quantitative genetic studies, we will identify an usually large
number (N = 9,000) of identical and fraternal twins within the PMRN sample in order to examine genetic and
environmental influence on reading constructs, their relationships to each other, and to their growth over
time. We will use the sample within the PMRN to examine differential heritability of reading ability vs.
disability defined in alternative ways.
项目三需要审查佛罗里达的进展监测和报告网络(PMRN)
数据库包含对300,000名参加的儿童的多种阅读结构的多种测量
在佛罗里达州表现不佳的学校。每年约有124 000名新儿童进入数据库,
在收集数据的六个年级之一:幼儿园到五年级。这
广泛的数据库是唯一配备回答问题有关的六个中心赠款目标。它
将用于估计符合替代分类标准的挣扎读者的百分比,
各种领域的学习障碍(例如,解码受损、理解受损等)。还应当
用于检查学习障碍的替代分类标准(例如,不明原因低压
成就,不充分的增长)是相关的(即,他们是否将同样的儿童归类为学习障碍)。
我们将检验学习障碍的替代分类标准amd的预测有效性
与备选分类有关的环境变量(例如,SES,学校的表现水平,
等等)的及其预测有效性。对于定量遗传学研究,我们将确定一个通常较大的
PMRN样本中的同卵和异卵双胞胎数量(N = 9,000),以检查遗传和
环境对阅读结构的影响,它们之间的关系,以及它们在不同时期的成长。
时间我们将使用PMRN中的样本来检查阅读能力与
残疾人以其他方式定义。
项目成果
期刊论文数量(0)
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会议论文数量(0)
专利数量(0)
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RICHARD K WAGNER其他文献
RICHARD K WAGNER的其他文献
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{{ truncateString('RICHARD K WAGNER', 18)}}的其他基金
LARGE-SCALE CLASSIFICATION AND QUANTITATIVE GENETIC STUDIES OF READING
阅读的大规模分类和定量遗传学研究
- 批准号:
7995980 - 财政年份:2010
- 资助金额:
$ 23.6万 - 项目类别:
Predicting and Preventing the Development of Learning D*
预测和预防学习 D* 的发展
- 批准号:
7933187 - 财政年份:2009
- 资助金额:
$ 23.6万 - 项目类别:
LARGE-SCALE CLASSIFICATION AND QUANTITATIVE GENETIC STUDIES OF READING
阅读的大规模分类和定量遗传学研究
- 批准号:
7752602 - 财政年份:2009
- 资助金额:
$ 23.6万 - 项目类别:
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