Evaluation of Blended Learning Effect of Engineering Geology Based on Online Surveys

Table 1

Evaluation criteria of relative importance between pairs of factors (, ) and their assignments [35].

Scale () assignment	Implication
1	Factors and are equally important.
3	Factor is slightly more important than factor .
5	Factor is obviously more important than factor .
7	Factor is strongly more important than factor .
9	Factor is extremely more important than factor .
1/3	Factor is slightly less important than factor .
1/5	Factor is obviously less important than factor .
1/7	Factor is strongly less important than factor .
1/9	Factor is extremely unimportant, compared to factor .
2, 4, 6, 8, 1/2, 1/4, 1/6, 1/8	The intermediate value of the above two adjacent judgments; for example, “2” indicates being between equally important and slightly important.