TY  - JOUR
PY  - 1917//
TI  - The speed and accuracy of motor adjustments
JO  - Journal of experimental psychology
A1  - Morgan, John J. B.
SP  - 225
EP  - 248
VL  - 2
IS  - 3
N2  - Presents a group of experiments which tend to show that the judgment of weights is not based on the amount of force required to lift them. Further, the force is determined by the set of musculature, but the judgment is based upon the speed with which they rise, or the distance to which they are raised. Another group of experiments try to show that force is an independent entity which may be judged and controlled independently of time and extent. None of the work done on judgment or control of force has eliminated both the factors of extent and time, or varied the conditions, so that control of the force of a movement as an independent entity, could be determined. The experiments have shown that one does not have the ability to adjust the speed of a movement, so that with different loads the movement can be made with the same physical force. Implies that one cannot control the amount of force being used. (PsycINFO Database Record (c) 2012 APA, all rights reserved)<p /> 
LA  - 
SN  - 0022-1015
UR  - http://dx.doi.org/10.1037/h0074599
ID  - ref1
ER  -