[Retracted] Analysis Model of the Influence of Self-Efficacy on Professional Toughness of Preschool Teachers under the Condition of Ensuring Children’s Mental Health and Healthy Family Environment

Table 3

The difference test of kindergarten teachers’ PT in teaching age.

			SD
Length of teaching	Less than 1 year	4.3527	0.4827	3.62
	1 to 3 years	4.6326	0.491
	3 to 5 years	4.4419	0.4335
	More than 5 years	4.4179	0.4848