Expected handedness for Tubuca urvillei is 50% right-handed and 50% left-handed
Observed handedness (based on raw totals across all data sets) is 55.10% right-handed, 44.90% left-handed
The following figure displays the left and right counts for each individual data set.
| Reference | Right Count | Left Count | Right % | Left % | Notes |
|---|---|---|---|---|---|
| Rosenberg (2000) | 1 | 1 | 0.500 | 0.500 | |
| Yamaguchi (1994) | 26 | 21 | 0.553 | 0.447 | These are the African individuals he had under the species Tubuca urvillei |