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Segbers, Jutta; Schroeder, Sascha – Language Testing, 2017
In this article we present a new method for estimating children's total vocabulary size based on a language corpus in German. We drew a virtual sample of different lexicon sizes from a corpus and let the virtual sample "take" a vocabulary test by comparing whether the items were included in the virtual lexicons or not. This enabled us to…
Descriptors: Foreign Countries, German, Vocabulary, Elementary School Students
Costa, Lara-Jeane C.; Edwards, Crystal N.; Hooper, Stephen R. – Learning Disability Quarterly, 2016
This longitudinal study was conducted to determine (a) the rate of co-occurrence of reading disabilities (RDs) in a writing disability (WD) population of students followed from first grade to fourth grade and (b) the cognitive burden that is assumed by having a WD and a RD (WD + RD). The sample included 137 first-grade students from a single…
Descriptors: Elementary School Students, Writing Difficulties, Reading Difficulties, Multiple Disabilities
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Fowler, Anne E.; Swainson, Brook – Annals of Dyslexia, 2004
The main hypotheses addressed in the research were (1) whether imprecision in the phonological representations of lexical items underlies the impaired expressive naming abilities of disabled readers, and (2) whether weak verbal memory might mediate the relationship between naming and reading skills. From samples of 93 first graders and 67 fourth…
Descriptors: Hypothesis Testing, Grade 1, Grade 4, Reading Skills