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.
Effect-Size Interpretation Conventions
| Effect Size |
Cohen Convention5 |
Rhea Convention6 |
Percentage of Control Group Below the Result of the Average Experimental Group Participant |
| 0.20 | Small | 58 | |
| 0.35 | Upper limit of trivial | 64 | |
| 0.50 | Medium | 69 | |
| 0.80 | Large | Upper limit of small | 79 |
| 1.5 | Upper limit of moderate | 93 |
