摘要：This study is aimed at developing a return board aid,and assisting athletes and coaches to improve the ability in using forehand topspin in table tennis.A Borg and Gall‟s research and developmental method is used consisting the following steps: identification of potentials and problems,data collection,developing a preliminary product,expert judgement and revision,smallscale field testing and revision,large-scale field testing,large-scale revision,product application field testing,product revison,and mass production.Ten athletes were involved in the small scale field testing and forty-two athletels were involved in the large-scale field testing.Product validation was conducted by six experts,includingt 3 practitioners and 3 lecturers.The data were collected by using interviews,observation,and test of product effectiveness,and analysed by using a mini tab 16.The findings show that the return board as a medium aid can be used to improve the ability of the athletes in applying forehand topspin.The product was found to be 53% effective for beginners and 32% effective for advanced athletes.The return board product can be used as a means for practice for junior,beginner,and senior athletes.The product can also be used to motivate athletes in their practice by assessing their ability in forehand topspin stroke.
