Preschool prediction: Orthographic and phonological skills,and reading |
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Authors: | Nathlie A Badian |
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Institution: | (1) Holbrook Public Schools, Holbrook, Massachusetts;(2) The Children’s Hospital, Boston, Massachusetts;(3) Harvard Medical School, USA;(4) 101 Monroe Road, 02169 Quincy, MA |
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Abstract: | Because of the research demonstrating the roles of phonological awareness, serial naming speed, and orthographic processing
in reading, a test of each of these skills was added to a preschool screening battery. The main aim of the study was to determine
whether these measures would contribute to the prediction of reading. The 118 subjects were first tested six months before
kindergarten entry and were followed up 19 and 24 months later. Each additional screening test made a significant, independent
contribution to the prediction of early first grade word reading/spelling, after the contributions of a parent rating of preschool
reading ability (PRA), verbal IQ, socio-economic status (SES), and chronological age were accounted for. With letter naming
and PRA, the additional tests were responsible for 62 percent of the variance. The orthographic test made the largest single
contribution (32%) to the variance in word reading/spelling.
Variables contributing significantly to the prediction of later first grade reading comprehension were (in order of proportion
of the variance accounted for) letter naming, sentence memory, object naming speed, the orthographic test, and SES. The revised
preschool screening battery correctly identified 91 percent of individual first grade good and poor readers. It was concluded
that preschool measures of phonological awareness, serial naming speed, and orthographic processing make a strong contribution
to prediction of first grade reading. |
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