Abstract
The purpose of this study was to verify the usefulness of the grading ability to perception movement skills of volleyball players, through clarify what affect grading ability differences in the accuracy of the set.
The results of this study, if it is excellent grading ability, the deviation is a positive trend or low value a negative trend, for the average score per stage of all. So it means that matches the objective measurement of exhibited performance and subjective efforts in the grading ability.
Grading ability was confirmed usefulness as a basic athletic ability of perception movement skills of volleyball players, for it became clear that it is one of the factors that determine the accuracy of the set.
