Saemi, Esmaeel, Gabriele Wulf, Ahmad Ghotbi Varzaneh, and Mehdi Zarghami. 2011. “ Feedback After Good Versus Poor Trials Enhances Motor Learning in Children ”. Brazilian Journal of Physical Education and Sport 25 (4): 673-81. https://doi.org/10.1590/S1807-55092011000400011.