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The intermediary effect interval of the
preschool teachers' competence characteristics → positive psychological capital
→ the subjective well-being of the preschool teachers is (0.23—0.55), does not
contain 0, and the effect amount is 0.35. The competency characteristics of
preschool teachers → The direct effect interval of subjective well-being of
preschool teachers is (0.05—0.36), excluding 0, and the effect quantity is 0.20,
indicating that positive psychological capital as a mediator variable has the
characteristics of preschool teachers and the subjective well-being of preschool
teachers. Partial mediating effect, the ratio of mediating effect to total
effect is 64.01%.