Which statement BEST summarizes the conclusion that is supported by high-quality evidence in this chapter's Practice Thinking exercises on whether reversing letters is the defining feature of dyslexia?
A) Although some studies show that individuals with dyslexia experience letter reversals, these individuals also show other symptoms, such spelling and phonological errors, that seriously challenge the letters reversal hypothesis.
B) Research studies clearly show that the problem with dyslexia is a visual problem, supporting the reversal of letters hypothesis of dyslexia and contradicting the phonological hypothesis.
C) The scientific research clearly demonstrates that letter reversals are a defining feature of dyslexia based on the evidence found by experts such as Orton (1925).
D) The considerable number of people, including educators and some experts, who endorse the letters reversal hypothesis strongly supports the hypothesis that letter reversal is the defining feature of dyslexia.

Question

Quizplus · Accepted Answer

The chapter's Practice Thinking exercises on whether reversing letters is the defining feature of dyslexia concluded that although some studies show that individuals with dyslexia experience letter reversals, these individuals also show other symptoms, such spelling and phonological errors, that seriously challenge the letters reversal hypothesis. Therefore, the best choice is A. B is incorrect because it contradicts the phonological hypothesis, which is also supported by high-quality evidence. C is incorrect because it references outdated research from 1925 and does not consider current evidence. D is incorrect because a high number of people endorsing a hypothesis does not necessarily mean that the hypothesis is the defining feature of a condition.

Which Statement BEST Summarizes the Conclusion That Is Supported by High-Quality