4.2 Participants
would have necessitated locating the extra-
Thirty-five subjects participated in the first ex-
choice radio button at a separated remote place
periment: 14 women and 21 men, ranging in age
from the 5-star scale radio buttons, since concep-
from 22 to 73. Thirty-six subjects participated in
tually it cannot be located on a nearby position.
the second experiment: 23 women and 13 men
From the user interaction point of view, the
ranging in age from 20 to 59. All participants
mouse movement to that location would have
were native speakers of English, had an aca-
been either considerably shorter or longer (de-
demic education, and had normal or corrected-to-
pending on its distance from the initial location
normal eye-vision.
of the mouse curser at the beginning of each
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