Table 3 Coordination degree of experts’ opinions in the two-round survey
Rounds | Round one | Round two | ||||||
|---|---|---|---|---|---|---|---|---|
Categories | CV | W-value | χ2 | P-value | CV | W-value | χ2 | P-value |
necessity | 0.16 | 0.185 | 196.04 | 0.000 | 0.12 | 0.134 | 111.533 | <0.001 |
importance | 0.16 | 0.190 | 201.489 | 0.000 | 0.13 | 0.132 | 116.812 | <0.001 |
operability | 0.14 | 0.159 | 168.669 | <0.001 | 0.10 | 0.079 | 73.268 | 0.014 |