This study aims to study the construction of multi-dimensional self-motivation for athletes through analysis of the content of motivation theories and its relationship with the self dimensions and asking the experts and specialists. The curriculum has been used was a descriptive style survey and the Meta analysis method of previous studies which are related to self dimensions and motivation traits in sports activity. Dimensions and items were determined to build multidimensional self-motivation scale for athletes, which had been applied to the research sample of the players who were selected randomly from players of various sports activities.160 players were used to calculate scientific psychometrics for the scale with Criterion correlated validity, internal consistency validity, discrimination validity, factorial analysis validity and addition to calculate the reliability through the split half method and alpha factor method. The significant results of factorial analysis declared the most important factors that explain the nature of the construction multidimensional of selfmotivation for athletes.
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