最終更新日:2022/12/24
According to Subirana (1969) one quarter of the population is preponderantly right-handed; one third shows right predominance; one quarter shows mixed or double-handedness, and one sixth a left predominance.
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According to Subirana (1969) one quarter of the population is preponderantly right-handed; one third shows right predominance; one quarter shows mixed or double-handedness, and one sixth a left predominance.