The left-hemisphere is dominant for speech in
A) all left-handers and a few right-handers.
B) nearly all left-handers and a few right-handers.
C) nearly all right-handers and the majority of left-handers.
D) nearly all right-handers and only a few left-handers.
E) a few right-handers and even fewer left-handers.

Question

Quizplus · Accepted Answer

While the left hemisphere is dominant for speech in nearly all right-handers, it is also dominant for speech in the majority of left-handers (around 70-95% depending on the study). This means that the correct answer would be C, as it includes both groups of people. The other answer choices are either too narrow or too broad in their characterization of which individuals have left-hemisphere dominance for speech.

The Left-Hemisphere Is Dominant for Speech in