摘要:The aim of this research is to develop standardized instrument with a good validity and reliability to measure sport anxiety which is suitable to local conditions in Indonesia. Subjects of the research were (N =406) beginner soccer players from Banda Aceh Municipality. The development of this measurement tool was conducted through two activities, namely instrument adaptation, and collection of new items through item pooling and screening of the item pool (Q-sort). Then the instrument was validated throught two phases, firstly on 406 beginner soccer players, and secondly, on 1000 soccer players from Aceh Province. Data were analysed through validity and reliability testing and factor analysis. Results show either the validity or the reliability level of anxiety scale was high enough, and that the sport anxiety scale comprising four factors and 35 items could be used to measure sport anxiety.Keywords: development, measurement tool, sport anxiety