Effective target width is a measure of __________.
a) speed
b) timing
d) accuracy
d) amplitude
d) accuracy
A(n) __________ coordination pattern is more stable.
a) in-phase
b) anti-phase
c) 90 degree
d) 40 degree
a) in-phase
When a person attempts to produce the same force on repeated trials, __________ is thought to be caused by relatively noisy processes that convert central nervous system impulses into activation of muscle motor units.
a) stability
b) variability
c) audito
b) variability
____________ is the type of accuracy required of rapid movements in which accuracy of the movement time is important to the performance.
a) Spatial accuracy
b) Temporal accuracy
c) Timing accuracy
d) Velocity accuracy
b) Temporal accuracy
Fitts' Law tells us all of the following except
a) MT decreases as movement
amplitude increases
b) MT increases as the target width
decreases
c) MT increases as the aiming
accuracy requirement
increases
d) the principles of Fitts' Law are
valid for a vari
a) MT decreases as movement
amplitude increases
Investigators from the __________ perspective state that the regularities of movement patterns are not represented in programs but emerge naturally out of the complex interactions among degrees of freedom.
a) GMP
b) self-organization
c) black box
d) degre
b) self-organization
Fitts' Law states that __________ is linearly related to index of difficulty (ID).
a) width of the target
b) amplitude of the movement
c) reaction time
d) movement time
d) movement time
____________ is the spread, or variability, of a person's movement end points about their own mean position for repeated attempts of a rapid aiming task.
a) Effective target width
b) Spatial accuracy
c) Linear speed-accuracy trade-off
d) Generalized motor
a) Effective target width
While a novice moves her head in the same direction as the putter, an expert moves her head _________ during a golf putt to deal with the "head problem."
a) slowly in the same direction of the
putter
b) not at alle
c) in the opposite direction of the
putt
c) in the opposite direction of the putter