[Retracted] Innovation of Digital Piano Collective Class Teaching Mode under the Theory of Constructivism

Table 2

Indicators at all levels of teaching content.

Scaling	Meaning
W1	Indicates that two factors are of equal importance
W3	Indicates that compared to two factors, one factor is slightly more important than the other
W5	Indicates that compared to two factors, one factor is significantly more important than the other
W7	Indicates that in comparison of two factors, one factor is absolutely more important than the other
W9	Indicates that compared to two factors, one factor is extremely important than the other
Reciprocal	The importance of comparing the corresponding two-factor exchange order for the median value of the above adjacent judgments