The Purpose of this study was to define casual relation among growth mine, passion about physical
activities participation, Grit, and performance. This study set up a casual relation model which was
composed of exogenous variables as growth mind and passion, and endogenous variables as Grit and
performance. The subjests were 521 children(boys: 292, girls: 229) who were more 5th grade in G city.
This study used growth mind scale, passion scale, Grit scale, and performance scale. This study used
t-test and structural equation. In descriptive analysis, boys showed higher growth mind, passion,
consistency of Grit, and performance than those of girls. Higher performance group(upper 10 %
performers) showed higher growth mind, passion, and Grit than those of lower group. In analysis
structural equation, this model can be used as theoretical model because general indexes were proved
more than critical state. In analysis details index, there were significant paths of growth mind ⟶ Grit,
performance, passion, → Grit, performance, Grit → performance. In analysis mediator effect, path of
growth mind → Grit → performance was significant. This meant Grit mediate between growth mind and
performance.