Expected handedness for Austruca occidentalis is 50% right-handed and 50% left-handed
Observed handedness (based on raw totals across all data sets) is 56.41% right-handed, 43.59% left-handed
The following figure displays the left and right counts for each individual data set.
| Reference | Right Count | Left Count | Right % | Left % | Notes |
|---|---|---|---|---|---|
| Yamaguchi (1994) | 44 | 34 | 0.564 | 0.436 | These are the African individuals he had under the species Austruca annulipes |