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Handedness and Ethnicity of Participants
| Total | Low language | Middle language | High language | |
|---|---|---|---|---|
| Handedness | ||||
| Left | 16 | 10 | 2 | 4 |
| Right | 72 | 31 | 17 | 24 |
| Undetermined | 16 | 9 | 3 | 4 |
| Race | ||||
| Caucasian | 63 | 28 | 13 | 22 |
| Asian | 9 | 5 | 3 | 1 |
| African-American | 10 | 6 | 1 | 3 |
| Pacific-Islander | 2 | 2 | 0 | 0 |
| American-Indian | 1 | 1 | 0 | 0 |
| Other | 19 | 8 | 5 | 6 |
