Expected handedness for Austruca triangularis is 50% right-handed and 50% left-handed
Observed handedness (based on raw totals across all data sets) is 64.44% right-handed, 35.56% left-handed
The following figure displays the left and right counts for each individual data set.
| Reference | Right Count | Left Count | Right % | Left % | Notes |
|---|---|---|---|---|---|
| Jones & George (1982) | 17 | 11 | 0.610 | 0.390 | Right/left counts derived from reported totals and proportions |
| Rosenberg (2000) | 1 | 1 | 0.500 | 0.500 | |
| Yamaguchi (1994) | 11 | 4 | 0.733 | 0.267 | The "subspecies" were only listed in the details, not the primary table |