Table 8.
Combination uses of evaluation methods.
| Use of evaluation methods | Quantity of literatures involved | Percentage |
|---|---|---|
| Single evaluation method | 106 | 58.2% |
| Two evaluation methods | 66 | 36.2% |
| Three or more evaluation methods | 10 | 5.6% |
|
| ||
| Total | 182 | 100% |
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.