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Bar-Kochva, Irit; Hasselhorn, Marcus:

In search of methods enhancing fluency in reading
An examination of the relations between time constraints and processes of reading in readers of German

In: Journal of Experimental Child Psychology, 140 (2015) , 140-157

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3a. Beiträge in begutachteten Zeitschriften; Aufsatz (keine besondere Kategorie)

Computerunterstütztes Verfahren, Deutschland, Experiment, Frankfurt a.M., Kognitive Kompetenz, Lesegeschwindigkeit, Lesestörung, Lesetest, Rechtschreibschwäche, Rechtschreibtest, Schüler, Schuljahr 05, Wortschatz

The attainment of fluency in reading is a major difficulty for reading-disabled people. Manipulations applied on the presentation of texts, leading to "on-line" effects on reading (i.e., while texts are manipulated), are one direction of examinations in search of methods affecting reading. The imposing of time constraints, by deleting one letter after the other from texts presented on a computer screen, has been established as such a method. In an attempt to further understand its nature, we tested the relations between time constraints and processes of reading: phonological decoding of small orthogrpahic units and the addressing of orthographic representations from the mental lexicon. We also examined whether the type of orthogrpahic unit deleted (lexical, sublexical, or nonlexical unit) has any additional effect. Participants were German fifth graders with (n = 29) or without (n = 34) reading disability. Time constraints enhanced fluency in reading in both groups, and to a similar extent, across conditions. Comprehension was unimpaired. These results place the very principle of time constraints, regardless of the orthographic unit manipulated, as a critical factor affecting fluency in reading. However, phonological decoding explained a significant amount of variance in fluency in reading across all conditions in reading-disabled children, whereas the addressing of orthographic representations was the consistent predictor of fluency in reading in regular readers. These results indicate a qualitative difference in the processes explaining the variance in fluency in reading in regular and reading-disabled readers and suggest that time constraints might not have an effect on the relations between these processes and reading performance. (DIPF/Orig.)

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