[Retracted] The Innovative Trend of Piano Teaching in Music Education in Multicultural Education under Ecological Environment

Table 8

Comparison of pretest and posttest differences in music scores of students in the control class.

	Before and after the experiment	N	M	Sd	T		Significance
Score	Before experiment	48	58.51	18.21	−0.271	0.675	X
	After the experiment	48	59.23	16.14