Journal
COGNITIVE DEVELOPMENT
Volume 69, Issue -, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cogdev.2023.101395
Keywords
Eye movement; Word recognition; Reading fluency; Development; Developmental dyslexia
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This study explored the development of word recognition processes in Finnish students in third and fourth grades with varying reading fluency. The results showed that improvements in reading fluency were associated with decreases in first fixation and refixation durations. However, students who were able to overcome this inhibitory effect by reading with shorter fixation durations and fewer fixations developed the most in reading fluency. The results suggest that the development of reading fluency is driven by increased efficiency in representing letter strings in working memory.
Little is known about how word recognition processes, such as decoding, change when reading fluency improves during the school year. Such knowledge may have practical importance by determining which aspects of reading are most malleable at a certain age and reading level. The development of word-recognition subprocesses of third- and fourth-grade Finnish students (n = 81) with variable reading fluency was explored from longitudinal (6-month) text reading eyetracking data. Generic development of the word recognition system was assessed from longitudinal changes in first fixation, average refixation durations and the number of first-pass fixations. The development of orthographic word representations and decoding was studied by examining the longitudinal changes in word frequency and word length effects, respectively. According to the results, the gain in reading fluency was mainly associated with decreases in first fixation and refixation durations. These decreases, in turn, inhibited the reduction in the number of fixations. However, students who could overcome this inhibitory effect, that is, by reading both with shorter fixation durations and with fewer fixations, developed most in reading fluency. The results seem to indicate that reading fluency development is driven by increased efficiency in representing letter strings in working memory. Over time, this development may lead to fewer fixations made into a word and, thus, more letters processed during each fixation.
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