Table 2 Experts’ evaluation of the linguistic terms and grey numbers.

From: Multi-index comprehensive evaluation model for assessing risk to trainees in an emergency rescue training base for building collapse

Linguistic terms

Evaluation score

Grey numbers

No influence (N)

0

[0, 0]

Very low influence (VL)

1

[0, 0.25]

Low influence (L)

2

[0.25, 0.5]

High influence (H)

3

[0.5, 0.75]

Very high influence (VH)

4

[0.75, 1]

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