The preferential use of a person's left hand when writing or requiring full motor control during main activities.

LEFT-HANDEDNESS: "A smaller proportion of the world is apparently left-handedness, or prefer to use their left hands primarily."
Cite this page: N., Pam M.S., "LEFT-HANDEDNESS," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/left-handedness/ (accessed August 3, 2020).