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Sheehan, Kathleen M.; Flor, Michael; Napolitano, Diane; Ramineni, Chaitanya – ETS Research Report Series, 2015
This paper considers whether the sources of linguistic complexity presented within texts targeted at 1st-grade readers have increased, decreased, or held steady over the 52-year period from 1962 to 2013. A collection of more than 450 texts is examined. All texts were selected from Grade 1 textbooks published by Scott Foresman during the targeted…
Descriptors: Text Structure, Content Analysis, Grade 1, Elementary School Students
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Jordan, Nancy C.; Glutting, Joseph; Ramineni, Chaitanya – Learning and Individual Differences, 2010
Children's symbolic number sense was examined at the beginning of first grade with a short screen of competencies related to counting, number knowledge, and arithmetic operations. Conventional mathematics achievement was then assessed at the end of both first and third grades. Controlling for age and cognitive abilities (i.e., language, spatial,…
Descriptors: Mathematics Achievement, Grade 1, Arithmetic, Mathematics Instruction
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Jordan, Nancy C.; Kaplan, David; Ramineni, Chaitanya; Locuniak, Maria N. – Developmental Science, 2008
Children's change over time in frequency of finger use on number combinations was examined in relation to their change in accuracy. Performance was tracked longitudinally over 11 time points, from the beginning of kindergarten (mean age = 5.7 years) to the end of second grade (n= 217). Accuracy in number combinations increased steadily during the…
Descriptors: Low Income Groups, Middle Class, Females, Kindergarten
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Jordan, Nancy C.; Kaplan, David; Locuniak, Maria N.; Ramineni, Chaitanya – Learning Disabilities Research & Practice, 2007
Number sense development was tracked from the beginning of kindergarten through the middle of first grade, over six time points. Children (n=277) were then assessed on general math achievement at the end of first grade. Number sense performance in kindergarten, as well as number sense growth, accounted for 66 percent of the variance in first-grade…
Descriptors: Mathematics Achievement, Grade 1, Numeracy, Mathematics Tests