Expected handedness for Austruca perplexa is 50% right-handed and 50% left-handed
Observed handedness (based on raw totals across all data sets) is 51.16% right-handed, 48.84% 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) | 56 | 53 | 0.510 | 0.490 | Right/left counts derived from reported totals and proportions |
| Rosenberg (2000) | 2 | 0 | 1.000 | 0.000 | |
| Yamaguchi (1994) | 14 | 17 | 0.452 | 0.548 | |
| Jaroensutasinee & Jaroensutasinee (2004) | 60 | 56 | 0.517 | 0.483 |