Vocal Music Teaching Brands Recommendation Based on Review Mining and Multicriteria Decision-Making

Table 3

Judgment matrix for first-level indicators scored by teachers.

Vocal teaching recommendations	System design	Course design	Teacher team	Courseware production	Learning interaction
System design	1	0.3398	0.4197	0.5206	0.9281
Course design	2.9429	1	1.5754	1.818	2.6653
Teacher team	2.3826	0.6348	1	1.3976	2.257
Courseware production	1.9208	0.5501	0.7511	1	1.9485
Learning interaction	1.0774	0.3752	0.4461	0.515	1