Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Scale and meaning of 1–9.
| Scale | Meaning |
|---|---|
| 1 | Risk i is equally important as risk j |
| 3 | Risk i is slightly more important than risk j |
| 5 | Risk i is generally more important than risk j |
| 7 | Risk i is significantly more important than risk j |
| 9 | Risk i is more important than risk j |
| 2,4,6,8 | The median of the two adjacent scales above |
| Reciprocal | The comparative value of risks j and i |
