Gayle Dede's Case Study

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In Gayle DeDe’s (2017) study, they explored silent reading comprehension in individuals with Aphasia. Word frequency, word class, and word length were the three variables that were investigated in order to examine how these variables contribute to time course of silent reading in individuals with aphasia. DeDe previously conducted similar studies regarding reading comprehension in individuals with Aphasia. In 2012, DeDe found that individuals with Aphasia showed longer reading time and listening time for low frequency words than the controls. In 2013, DeDe focused on syntactic complexity and its effects on reading and listening times. Both the control group and the group with Aphasia showed longer reading and listening times for complex sentences. In 2015, DeDe and Knilans investigated how individuals with aphasia read object and subject clefts sentences using an eye-tracking paradigm. DeDe and Knilans (2015) found the control group showed effects of syntactic complexity on the first pass through the sentence whereas individuals with aphasia showed effects of syntactic complexity on the second pass through the sentence. DeDe and Knilans (2015) …show more content…
Gaze duration was the total duration of all fixations on a word before moving eyes to another word. Skipping rate indicated whether the reader fixates on a given word on their first pass through a sentence. Words are more likely to be skipped when they are short, highly predictable in the context, or function words. Fixations were defined using the manufacturer’s default settings which used an algorithm. Gaze duration and rereading duration were based only on fixations. Sentences were excluded if a participant blinked while reading a vital word, which resulted in the removal of 11% of the sentences. Each of the four dependent measures was estimated separately for each of the variables mentioned

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