[Retracted] An Empirical Study on the Relationship among Mental Health, Learning Engagement, and Academic Self-Efficacy of Senior High School Students

Table 5

Grade-specific differences in the mental health, learning engagement, and academic self-efficacy of senior high school students.

Grade	Mental health learning engagement				Academic self-efficacy
	Mean	Standard deviation	Mean	Standard deviation	Mean	Standard deviation
Grade one	2.1487	.77602	3.1796	.51307	2.9903	.55148
Grade two	2.0750	.73054	3.1753	.61813	3.0149	.63609
Grade three	1.8750	.73519	.36515	.18257	3.6750	.80571
value	427		2.214
LSD	Grade one, grade two< grade three; grade one, grade two< grade three

represents .