摘要:The aim of this study is to determine the validity and reliability of basic needs satisfaction in sport scale. The statistical population of this study was the veterans and the disables athlete of Khorasan-e Razavi province (n=700) among which 181 were selected randomly as the sample. Analytical results showed reliability for basic needs satisfaction questionnaire. All factors had a significant relationship with concept basic needs satisfaction in reliability of structure, the amount of relationship and t-value. Suitability indexes also confirmed the goodness of models. Also, the results about the relations of factors with the meaning of basic needs satisfaction showed that all factors could be a good predictor for the concept of basic needs satisfaction, finally internal and external validity of basic needs satisfaction model was accepted.