TABLE 1. Effect Size by Location of Study
|
Location of study
|
Effect size
|
Outside United States
|
United States
|
Grand total
|
Outside United States
|
United States
|
|
| Low |
7 |
5 |
12 |
41.18% |
26.32% |
| Medium |
6 |
8 |
14 |
35.29% |
42.11% |
| High |
4 |
6 |
10 |
23.53% |
31.58% |
Grand total
|
17
|
19
|
36
|
|
|
|
Note. Low effect size: less than 0.45; medium effect size: 0.45–1.85; high effect size: greater than 1.85.