
63Chapter four: Learning and skill acquisition
abilities (e.g., peripheral vision, depth perception, glare sensitivity, audi-
tory attention, sound localization), physical abilities (e.g., static strength,
dynamic strength, gross body coordination, extent exibility, and stam-
ina), and psychomotor abilities (e.g., manual dexterity, arm–hand steadi-
ness, nger dexterity). Figure4.5 shows a portion of a binary decision ow
diagram used for identifying various psychomotor abilities.
Generally, specications of abilities and their associated denitions
often differ depending on the applied or theoretical domains of interest.
Thus, ergonomists